Scientists first dug into the power of Vitamin A during the early 20th century, trying to explain why people developed night blindness or had trouble seeing in low light. Word spread in medical circles that something in animal fats or certain plants helped eyesight. This sparked a burst of research across Europe and the United States. In the early days, researchers extracted retinol from cod liver oil, baffled by how concentrated nutrients in animal livers boosted health. By the 1930s, chemists figured out how to isolate and later synthesize Vitamin A and its oil soluble form. Patents, competition between labs, and the rise of chemistry-driven medicine kept the momentum going. Over time, Vitamin A oil shifted from a rare cure-all for deficiency diseases to something mass produced and bottled, meant for fortification and supplementation across the globe.
Vitamin A oil flows as a golden to pale yellow liquid, often odorless, sometimes carrying the faint whiff of the raw material used. Sometimes labeled as retinyl palmitate or retinyl acetate, it’s tucked into tiny vials for laboratory use, or blended with carriers like soybean oil for commercial supplements. Manufacturers extract Vitamin A mainly from fish liver or by converting beta-carotene from plant sources, making it easier to scale up production without draining marine resources. I’ve handled both sources in quality control labs – the plant-based versions are easier to work with when blending, but fish-liver oil offers a more storied supply chain. Most bottles carry a clear statement of Vitamin A activity, usually in International Units, which helps pharmacists and nutritionists compare strength across brands.
Vitamin A oil isn’t just another supplement; it stands out because it’s fat soluble. This means it dissolves easily in oils and fats, not water, influencing how the body absorbs it. Pure retinol, a key form, melts just above room temperature, close to 63°C, while esters like retinyl palmitate are less sticky and easier for companies to handle. The molecule itself is a series of carbon rings with double bonds, which makes it sensitive to light and air. Leave a sample exposed to daylight, and it’ll lose potency fast. Strong, direct sunlight turns it rancid, almost useless. This is why storage in dark, cool environments matters in shipping, manufacturing, and even home use. In my experience, labs keep it in amber glass to blanket it from UV rays, and bulk suppliers flush containers with nitrogen to guard against oxidation. Vitamin A oil combines with other soluble vitamins, but doesn’t mix with water or anything acid-heavy.
Bottle labels for Vitamin A oil usually tell you more than you’d expect. They spell out the concentration – for example, 1,000,000 IU per gram – and always require batch numbers for traceability. Regulatory agencies, including the US FDA and European Food Safety Authority, have strict limits on allowable impurities, making sure the oil contains no toxic traces from solvents, metals, or bacteria. Because Vitamin A can build up in the body, label warnings for pregnant women and children are non-negotiable. Suppliers must list both the chemical form and whether the source is natural or synthetic, sometimes adding allergen declarations for fish- or soy-based carriers. Pharmaceutical-grade Vitamin A oil passes through tests for identity using ultraviolet spectrophotometry and chromatography. This level of detail reassures doctors and nutritionists, especially when recommending it for folks who depend on precise daily doses.
Large manufacturers start by extracting Vitamin A from either fish liver tissues or by synthesizing retinol from plant-derived beta-carotenes. The raw material gets washed, fatty acids separated, and then carefully distilled under reduced pressure to avoid burning the delicate nutrients. Chemists then convert pure retinol into more stable esters, such as retinyl palmitate, using acylation with palmitic acid. This process keeps the vitamin stable for months or even years under proper storage. Each batch goes through purification with activated charcoal or advanced filtration, pulling out pigments and trace impurities. Quality control teams test for both potency and contaminants before any packaging happens. From my own work, I remember the faint fishy aroma from natural extractions; it sticks to every surface, a reminder of the oil’s biological roots. Industrial lines churn out Vitamin A oil in stainless steel reactors capable of adjusting temperature and pH with exact precision – this is no backyard operation.
Chemists handle Vitamin A oil with care, knowing that exposure to acids, bases, or oxidizing agents can break down its double bonds, robbing it of nutritional value. Adding chlorine or bromine – even by accident in a dirty pipeline – degrades active retinol, leaving useless fragments. Small tweaks to the molecule lead to different esters, each with unique shelf-lives and uses. Converting Vitamin A to retinyl palmitate or retinyl acetate, for example, lets companies add it to foods, oils, and creams without fearing rapid degradation. These modifications depend on controlled reactions, usually catalyzed by enzymes or acids under low temperatures. Every modification aims to balance potency, stability, and cost. Researchers experimented with encapsulation, microemulsions, and even nanoparticles to protect Vitamin A oil from oxygen and light, stretching out shelf life and improving bioavailability.
Throughout history and across industries, Vitamin A oil appears under plenty of names. Scientists talk about all-trans retinol or retinyl palmitate in journals, while nutritionists use shorthand like preformed Vitamin A or just “retinol oil.” Some old textbooks reference axerophthol, a term you’ll rarely see outside vintage chemistry stacks. Commercial brands slap numbers — A1, A2 — or highlight “natural cod liver extract” to attract consumers chasing a trusted heritage. Each synonym hints at its source, chemical form, or intended use, sometimes sowing confusion in the health food aisle. Keeping tabs on these terms matters for both regulatory compliance and clear consumer messaging.
Vitamin A oil plays a critical role in healthcare and nutrition, but handling it safely takes more than common sense. High doses can poison—the skin peels, the liver swells, and the central nervous system can spiral out of control. Agencies set upper intake limits, usually between 3,000 and 10,000 IU per day for adults, far less for kids or pregnant women. Facilities must train staff on spill response, storage at controlled room temperature, and strict hygiene to stop microbial growth. Laboratories enforce glove use, ventilation, and eye protection, since repeated dermal exposure or accidental splashing poses risks. Bulk storage tanks need regular cleaning and regular nitrogen flushing to banish oxygen. Hazard communication sheets travel with every shipment, spelling out first aid and disposal steps. Any workplace with Vitamin A oil keeps poison control phone numbers handy—time matters during accidental overdoses. Decades of safety research inform these routines.
Vitamin A oil lands in a surprising range of products. Doctors prescribe it for people struggling with malnutrition, while food processors drip it into milk, margarine, and infant formula to beat widespread deficiency. Cosmetic makers buy it by the drum for anti-aging serums, skin creams, and scar reducers, capitalizing on Vitamin A’s power to activate skin cell renewal. Animal feed companies add it to boost livestock health, yielding stronger, healthier animals and brighter orange egg yolks. Vision supplements, fortified rice, specialized medical foods, and even some veterinary ointments all rely on Vitamin A oil’s unique biological punch. In humanitarian aid, dozens of international groups use Vitamin A drops to fight childhood blindness in communities without access to high-nutrient foods. On the industrial side, Vitamin A derivatives support research into gene expression and cancer prevention, showing their crossover from public health to high-tech science.
Current research never sits still. Scientists investigate ways to deliver Vitamin A more effectively, focusing on targeted release and improved absorption. The challenge isn’t just packing more in; our digestive systems only absorb so much at once, and excess builds up in the liver. New studies assess how biofortification in crops like sweet potatoes can supplement populations where supplements just don’t reach. Laboratories are combing through the subtleties of Vitamin A’s role in immune response, gut integrity, and chronic disease prevention. My work on encapsulation technologies showed that anchoring Vitamin A with liposomes made it far more stable and, surprisingly, easier for patients with digestive disorders to utilize. Universities and pharma giants push for genetic engineering and even micro-algae as potential new sources, aiming for resilience in supply chains. The future isn’t just about making more oil but finding smarter, safer, and more sustainable ways to get it to people who need it most.
Toxicologists approach Vitamin A with due caution, mindful that chronic excess harms far more quietly than deficiency. Early markers of toxicity include bone pain, headaches, blurred vision, and peeling skin. Prenatal exposure to high doses can trigger birth defects, leading to strict regulations for both supplement packaging and clinical protocols. Liver panels, bone density scans, and retinal health checks play into ongoing monitoring for at-risk groups. Animal studies over decades have mapped out critical thresholds, often echoed in public health guidelines. Notably, Vitamin A toxicity can interact with other medications and underlying conditions, especially in older adults or those with metabolic conditions. Researchers constantly review these findings, looping them back into training for healthcare workers and education for consumers. Every new delivery technology—be it nanoemulsions or time-release capsules—faces rigorous safety assessment before entering the market.
Vitamin A oil remains vital both as a supplement and therapeutic agent. Some of the most exciting developments lie in personalized nutrition, where genetic profiles may steer tailored dosage, addressing everything from eye health to skin resilience. Advances in biotechnology could soon produce bio-identical Vitamin A from yeast, algae, or even recycled food waste, reducing reliance on fish stocks and boosting sustainability. Fortification programs will likely move into broader, more diverse food systems, especially in developing countries bracing against vitamin deficiency disorders. As research sharpens our understanding of Vitamin A’s effects on immunity, inflammation, and chronic disease, new formulations designed for faster, safer absorption will claim a spot in pharmacies and clinics. These emerging solutions rest on a century of rigorous study—proof that science and innovation, grounded in real-world challenges, shape a healthier future.
Anyone who’s struggled with rough patches, breakouts, or dull skin understands how draining those issues can be. Vitamin A oil stands out because dermatologists and researchers agree: the skin relies on this nutrient to repair itself. My own experience with bumps on the backs of my arms led me to try Vitamin A oil years ago. Over a few weeks, the rough texture faded away. There’s no magic happening—Vitamin A promotes cell turnover, which means older skin gets pushed aside for newer, healthier layers. PubMed studies show that retinoids, which come from Vitamin A, speed up this renewal process and keep pores clear.
In a world obsessed with looking younger, many costly creams promise to erase wrinkles overnight. Vitamin A oil, in contrast, has decades of data behind it. Consistent application encourages collagen production. Collagen is what keeps skin smooth and full. As we age, our bodies slow down collagen production, and lines start to set in. Using Vitamin A oil not only helps minimize these lines but also improves skin firmness. Unlike some quick fixes, this approach addresses the roots of aging. Some of my older relatives switched to Vitamin A oil. Over time, their skin grew visibly thicker and less fragile, which made them more comfortable and confident.
Those who live with acne don’t just face a cosmetic challenge—it takes a toll on self-esteem. Many acne treatments can leave skin red and raw. Vitamin A oil can offer a gentler alternative. It prevents dead cells from clogging pores and reduces inflammation, two main triggers of breakouts. There’s robust scientific evidence supporting this, with clinical trials showing fewer pimples and less redness. Parents of teens and adults caught in cycles of breakouts often look for something safe that doesn’t sting or burn. Vitamin A oil, used in moderation, doesn’t strip moisture and actually calms irritated skin.
Rough skin on elbows, knees, or feet signals deeper dryness and damaged barriers. I remember my years in sports, where constant tape use left my hands in rough shape. Doctors sometimes recommend Vitamin A oil because it reinforces the skin’s natural shield. This seal locks in water, which means less cracking, flaking, and discomfort. People dealing with eczema also see improvements when adding Vitamin A oil to their routines. It’s not just cosmetic—the thickened, flaky patches finally start to soften and heal.
No one escapes all the effects of time in the sun. Dark spots, roughness, and uneven tone show up eventually. Vitamin A oil steps in here by prompting the skin to repair itself faster. Research from the American Academy of Dermatology connects long-term Vitamin A use with lighter spots and smoother texture. I’ve seen friends who spent years outdoors regain some of their skin’s evenness after a few months.
Safety should always come first. Not everyone reacts the same way to Vitamin A oil, so it’s smart to test on a small patch before wider use. High doses can cause side effects, especially for pregnant people. Doctors recommend sticking to low concentrations, especially at the start, and watching how the skin responds. Consulting with a dermatologist helps clear up any doubts. It’s easy to find products today with transparent ingredient lists and gentle formulations, making it easier to use Vitamin A oil safely and get its many benefits.
Vitamin A oil has earned trust for decades. Dermatologists and researchers highlight its power to support cell renewal, which can improve the look of fine lines and rough texture. Plenty of people, myself included, have watched it help worn-out skin feel smoother and look more radiant. Still, no oil feels magical without the right steps and patience. Watching my own skin shift—from flaky in winter to more even in spring—led me to care about not just what I use, but how I use it.
Before reaching for that bottle, think about what sits on your skin. Clean skin acts like a fresh canvas, helping vitamin A soak in without fighting off layers of dirt, makeup, or sunscreen. Warm water and a gentle cleanser lay the right groundwork. Avoid harsh scrubs or alcohol-heavy toners right before applying oil—vitamin A can cause some tingling and dryness, especially at the beginning.
My experience lines up with what plenty of studies and skincare experts show—using too much oil often leads to breakouts or irritated patches. A single drop, pressed gently onto fingertips, covers more ground than you think. Dotting the oil on cheeks, forehead, and chin, then pressing it in with palms, helps avoid tugging or dragging. This method leaves skin soft, rather than greasy.
Most folks see the biggest difference using vitamin A oil at night. Skin repairs itself fastest while you sleep. Avoiding sunlight right after application matters since sunlight can break down some forms of vitamin A, stealing away the benefits. I started by using it just two nights a week, slowly ramping up as my skin adjusted. Red, peeling, or itchy skin suggests taking a break or switching to a lighter formula.
Moisturizers lock in the goodness. After the oil sinks in, a simple moisturizer can seal it all in place. I always skip harsh exfoliants or high-strength acids the same night. This keeps skin calm and helps avoid unexpected burns or sensitivity. Every morning, sunscreen deserves a permanent spot in your routine. Vitamin A boosts renewal, but it also thins the outer layer of skin, so sun protection keeps all your hard work from turning into sunspots or redness.
Not all oils deliver the same results. Quality starts on the label. Cold-pressed formulas maintain nutrients over time, while carrier oils such as jojoba or rosehip can deliver vitamin A without overwhelming skin. Fragrance-free choices lower the risk for allergic reactions. My skin feels happiest with products made in small batches and stored in dark bottles that keep sunlight out.
Vitamin A oil earned its place in skin care through research and observation. Real change comes slowly, often after six weeks or more. I’ve watched favorites come and go, but vitamin A holds steady for a reason. Influencers and quick fixes can drown out simple advice: start slow, listen to your skin, and protect it from the sun. Staying patient and steady earns long-term results that never depend on hype.
I’ve walked down skin care aisles, staring at rows of tiny amber bottles, many promising smoother, healthier skin with just a drop of oil. Among them, Vitamin A oil has built a reputation as a “magic bullet” for aging, uneven texture, and even breakouts. Plenty of online testimonials rave about its transformation powers, yet for those with sensitive skin, diving into Vitamin A is like stepping onto a minefield.
People with sensitive skin recognize the warning signs: stinging, redness, or an angry rash right after trying a new product. Skin doesn’t let you forget when something’s a little too much. Vitamin A—often labeled as retinol or retinyl palmitate in oils—packs a punch. It works by speeding up skin renewal, which can help peel away old cells and encourage new cell growth. Problems crop up because this process sometimes means tightness, flaking, and irritation for those already prone to redness or dryness.
Science backs up several claims made for Vitamin A. Research consistently finds topical Vitamin A, especially in retinol form, triggers collagen growth and smooths rough patches. According to the American Academy of Dermatology, retinoids stand among the best-studied topical treatments for aging and acne. But these studies often use concentrations higher than many everyday oils contain, and researchers usually watch subjects closely for reactions. In daily life, most people don’t have a dermatologist guiding their every application.
Vitamin A oils sold out there aren’t all created equal. Some mix the active ingredient into mild carrier oils, but others crank up the percentage for quicker results. Sensitive skin may not welcome this extra strength. I’ve seen friends patch-test a pricey new oil at night, only to wake up with red, peeling cheeks. This isn’t rare: research from the Journal of Clinical and Aesthetic Dermatology points to around 20% of folks experiencing irritation during Vitamin A use, particularly with stronger formulas.
I’ve found that those with reactive skin get the best results by taking things slowly. Choose Vitamin A derivatives like retinyl palmitate or retinyl acetate, which are generally milder than pure retinol. Begin by using the oil just once or twice a week and see how your skin reacts after a few uses. Moisturizing well after applying the oil acts as a handy buffer, calming the skin barrier. Ingredients such as ceramides or centella asiatica work alongside Vitamin A, reducing the risk of irritation.
Dermatologists usually guide sensitive skin patients toward patch testing—try a small dot behind your ear or on your jawline for a few nights. If there’s no stinging or peeling, take it slow and stick with low-concentration products. Reading labels isn’t only for calorie-checking. Scan for words like “fragrance-free” or “for sensitive skin” since essential oils or synthetic fragrances often turn a gentle oil into a skin saboteur.
Vitamin A oil promises a lot, but sensitive skin demands caution and patience. Dermatology associations stress the importance of choosing reputable sources and consulting a professional, especially before starting active ingredients. Tracking ingredient lists and giving the skin enough time to adapt can make the difference between irritation and improvement. Skin health grows out of a combination of science, careful habits, and paying close attention to how your face feels after every new addition.
Loads of folks want smooth, clearer, younger skin. Both the drugstore and social media push Vitamin A oils, usually in the form of retinol or related compounds, promising brighter, stronger skin. Over-enthusiastic influencers speak about these oils as skin saviors anyone can use after washing up for bed. Dermatologists and researchers, though, tend to approach a bit differently. Not every routine fits all.
Vitamin A changes the game for lots of people. It helps speed skin cell turnover and take down clogged pores and dark spots. Some studies point to improvements in wrinkles and even acne when used consistently, under thoughtful guidance. The American Academy of Dermatology recognizes retinoids, derived from Vitamin A, as a solid option in fighting signs of aging and clearing acne. That sounds promising.
After reading the science, folks might feel tempted to squeeze a drop onto their faces every evening. My own circle contains a mix: those who swear by it, those who break out in rashes. The problem is that Vitamin A, for all its benefits, can act harsh if overused or if your skin hasn't met it before. Peeling, burning, redness—more than one friend has headed to the pharmacy the morning after, in search of cleansers and creams to calm the irritation.
Vitamin A oil isn’t a simple moisturizer or a “more is better” solution. Its strength lies in how quickly it kicks your cells into gear. Used in high doses or combined with other tough products (like exfoliating acids), it triggers trouble instead of healing. Harvard Health recommends starting slow, with two or three times a week, gradually working up. Sensitive, dry, or eczema-prone skin reacts even faster. And layering sunscreen every morning grows crucial—Vitamin A makes skin more open to sun damage. Forget that step and all that effort may backfire as sunburn or dark patches.
In my daily conversations, the biggest shock often comes when someone learns that not all Vitamin A oils are equal. Pure retinol bought online packs more punch than over-the-counter blends or creams. Prescription retinoids land even stronger. Everyone’s face handles things differently depending on their genetics, environment, and what else sits on the bathroom shelf. One-size-tries-all rules fail to fit here.
Using Vitamin A oil every night looks fine in a 30-second video, yet long-term skin health rarely works on shortcuts. Kicking off with a patch test—maybe behind your ear or inside your arm—sheds light on potential reactions. Listening to professionals proves smarter than taking advice from random comment threads. The American Academy of Dermatology and Mayo Clinic both stress consistency, slow introductions, and daily sunscreen as the pillars for seeing results without risky side effects.
Vitamin A can transform skin for some, but daily application needs respect for skin’s limits. Consulting with a dermatologist, reading real labels, and staying patient gives better odds of glowing, not angry, results. Looking after skin means looking beyond fast fixes, no matter what that new influencer claims in their bathroom mirror.
Many people look to vitamin A oil for skin health, hoping to fade scars, improve texture, or boost glow. Plenty of health shops stock it in little amber bottles. You see “nourishing” or “restorative” on the labels, but warnings rarely stand out. That can leave folks thinking it’s free of problems. I’ve used vitamin A oil for my own skin flare-ups, so I know why some folks hope it’s a shortcut to clear, smooth skin. It’s worth remembering that not everything labeled “natural” deserves a free pass.
Vitamin A is essential for healthy vision, immune function, and skin cell turnover. We need it, but too much on or in the body can backfire. Pure vitamin A oil can irritate the skin, especially if you have sensitive or dry skin as I do. Instead of a gentle glow, you might get redness, peeling, or an itchy rash. That patchy redness, especially on the face, can make people want to cover up rather than show off their “improved” skin.
Absorption is real. The body can soak up vitamin A from topical oils, especially if you use it frequently or in large amounts. That’s where toxicity creeps in. Signs of too much vitamin A aren’t pleasant: think headaches, nausea, dizziness, joint pain, and in the worst cases, liver trouble. I’ve spoken with dermatologists who warn that too much topical vitamin A—not just eating liver or supplements—can eventually raise your overall vitamin A level higher than is safe.
Pregnant women must steer clear of high-vitamin A products, including oils. There’s no guesswork here. Excess vitamin A can harm a developing baby, increasing the chance of birth defects. Nobody needs that kind of risk. People with underlying liver conditions or those taking medications that interact with vitamin A should talk to a healthcare provider before adding any vitamin A oil to their daily routine.
I once picked up a bottle of vitamin A oil from a health food store and nearly missed the fine print. The amount of retinol packed in each drop dwarfed what you get from food or a basic multivitamin. Many “natural” oils combine vitamin A with strong carriers or essential oils. Without close attention, you could double up on doses if you use other skin products with retinol, adapalene, or tretinoin. Stacking these treatments can leave skin feeling raw and inflamed. If you’ve ever experienced a burning red face after trying several new products, you know just how miserable that feels.
Less proves more with vitamin A oil. Experts recommend starting slow. A drop or two, maybe every other night, and paying close attention for irritation. If there’s any peeling or redness, skip a few days or let it go altogether. It helps to stick with one vitamin A product rather than mixing oils, creams, and serums. Always patch test – I learned this hard way after dabbing a strong oil on my cheeks, which flared up for a week. Pregnant people, or those hoping to become pregnant, should avoid these oils completely. People with prescription retinoids or certain medical conditions would do best to ask their doctor first.
Vitamin A oil isn’t just another moisturizer. It can offer some skin benefits in moderation but comes with risks if misused. Nobody wants to deal with irritated skin or the dangers of too much vitamin A. For any new supplement or oil, a little research and a chat with your healthcare provider beats regret later. Health starts with knowing what goes on your body, not just in it.
| Names | |
| Preferred IUPAC name | retinyl (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoate |
| Other names |
Retinol Oil Retinyl Palmitate Oil Retinoid Oil Vitamin A Palmitate Oil |
| Pronunciation | /ˈvaɪ.tə.mɪn eɪ ɔɪl/ |
| Preferred IUPAC name | retinyl (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoate |
| Other names |
Retinol Retinyl Palmitate Retinyl Acetate Retinoic Acid Vitamin A Palmitate Vitamin A Acetate |
| Pronunciation | /ˈvaɪ.tə.mɪn eɪ ɔɪl/ |
| Identifiers | |
| CAS Number | 68-26-8 |
| Beilstein Reference | 1710726 |
| ChEBI | CHEBI:82381 |
| ChEMBL | CHEMBL1204 |
| ChemSpider | 212 |
| DrugBank | DB00162 |
| ECHA InfoCard | 03-2119941777-40-0000 |
| EC Number | 200-334-7 |
| Gmelin Reference | 1642 |
| KEGG | C01562 |
| MeSH | D014802 |
| PubChem CID | 445354 |
| RTECS number | AK7250000 |
| UNII | 8470T1N1YC |
| UN number | UN2811 |
| CompTox Dashboard (EPA) | DJ1OF9JKH53N |
| CAS Number | 8015-88-1 |
| Beilstein Reference | 17125 |
| ChEBI | CHEBI:28940 |
| ChEMBL | CHEMBL1204 |
| ChemSpider | 57344427 |
| DrugBank | DB00162 |
| ECHA InfoCard | 05d86eaf-af9a-41b9-8d6c-15b2fa302ef6 |
| EC Number | 200-334-7 |
| Gmelin Reference | 18258 |
| KEGG | C01583 |
| MeSH | D02.241.081.931.904 |
| PubChem CID | 445354 |
| RTECS number | WL3675000 |
| UNII | P6B4V36VG1 |
| UN number | UN2811 |
| CompTox Dashboard (EPA) | Vitamin A Oil: "DTXSID8044333 |
| Properties | |
| Chemical formula | C20H30O |
| Molar mass | 286.45 g/mol |
| Appearance | Clear, yellow to orange oily liquid |
| Odor | Oily |
| Density | 0.930 g/mL at 25 °C |
| Solubility in water | Insoluble in water |
| log P | 2.94 |
| Acidity (pKa) | ~16 |
| Basicity (pKb) | 11.56 |
| Refractive index (nD) | 1.4750 – 1.4850 |
| Viscosity | Medium Viscosity |
| Dipole moment | 2.29 D |
| Chemical formula | C20H30O |
| Molar mass | 286.45 g/mol |
| Appearance | Clear, pale yellow to golden liquid |
| Odor | Faint characteristic odor |
| Density | 0.930 g/mL at 25 °C (lit.) |
| Solubility in water | insoluble |
| log P | 2.3 |
| Vapor pressure | Negligible |
| Acidity (pKa) | 17.8 |
| Refractive index (nD) | 1.450 – 1.480 |
| Viscosity | Viscous Liquid |
| Dipole moment | 1.94 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | Vitamin A Oil: Std molar entropy (S⦵298) = 886.6 J·mol⁻¹·K⁻¹ |
| Std molar entropy (S⦵298) | 927.62 J·mol⁻¹·K⁻¹ |
| Pharmacology | |
| ATC code | A11CA01 |
| ATC code | A11CA01 |
| Hazards | |
| Main hazards | May be harmful if swallowed; may cause skin and eye irritation. |
| GHS labelling | GHS07, GHS08 |
| Pictograms | Vegan;Cruelty-Free;Fragrance-Free;Recyclable Packaging |
| Signal word | No signal word |
| Hazard statements | No hazard statements. |
| Precautionary statements | Keep out of reach of children. For external use only. Avoid contact with eyes. If irritation occurs, discontinue use and consult a physician. |
| NFPA 704 (fire diamond) | NFPA 704: 1-1-0 |
| Flash point | 61°C |
| Autoignition temperature | 385°C |
| Lethal dose or concentration | LD50 (oral, rat): 1510 mg/kg |
| LD50 (median dose) | 2150 mg/kg |
| NIOSH | FC5950000 |
| PEL (Permissible) | 5 mg/m³ |
| REL (Recommended) | 600 mcg |
| IDLH (Immediate danger) | Not established |
| Main hazards | May be harmful if swallowed; may cause skin and eye irritation. |
| GHS labelling | GHS07, Warning, H315, H319, P264, P280, P302+P352, P305+P351+P338, P332+P313, P337+P313 |
| Pictograms | palm-oil-free, vegan, cruelty-free, fragrance-free, alcohol-free, silicone-free, gluten-free |
| Signal word | Warning |
| Hazard statements | H319: Causes serious eye irritation. |
| Precautionary statements | Precautionary statements: For external use only. Avoid contact with eyes. If irritation or redness occurs, discontinue use and consult a physician. Keep out of reach of children. |
| NFPA 704 (fire diamond) | 1-1-0-0 |
| Flash point | 175°C |
| Autoignition temperature | 385°C |
| Lethal dose or concentration | LD50 (Rat, oral): 1510 IU/kg |
| LD50 (median dose) | 710 mg/kg (oral, rat) |
| NIOSH | FC647 |
| PEL (Permissible) | PEL (Permissible): 15 mg/m3 |
| REL (Recommended) | 0.6 mg RE |
| Related compounds | |
| Related compounds |
Vitamin A acetate Vitamin A palmitate Retinol Retinal Retinoic acid |
| Related compounds |
Retinoic acid Retinal Retinyl palmitate Beta-carotene Retinyl acetate |