Sorbitan monolaurate traces its origins back to mid-20th century chemical research when the food and personal care industries started hunting for ways to mix water and oils efficiently. Chemists understood the problem of separating ingredients in dressings, creams, and lotions. Early patents and academic journals in the late 1940s mention it as a breakthrough emulsifier. Companies could run larger batches of sauces, margarine, and ointments. Food technologists tweaked its composition by changing fatty acid sources or degree of esterification, which built a base for today’s varieties. Countries set up regulations, so both safety and efficiency evolved over time. The more we learned about fats and sugars, the more sorbitan monolaurate entered global commerce, carving out a stable niche in manufacturing circles.
Sorbitan monolaurate comes from lauric acid and sorbitol. It’s a golden, oily liquid at room temperature, with a light odor, and forms the backbone of several commercial emulsifiers found in food, pharmaceuticals, and cleaning products. It keeps salad dressings from separating, helps lotions glide on smoothly, and creates consistent foams in detergents. The product appears on ingredient lists as E493 in Europe and just “sorbitan monolaurate” elsewhere. Over decades, industry has figured out how much can blend into creams and food safely, settling on certain maximum percentages and purity levels. Consumers benefit from longer shelf lives and consistent taste or texture in food and personal care items, often without ever knowing this ingredient helped along the way.
Sorbitan monolaurate carries a molecular formula of C18H34O6. It looks like a pale yellow, viscous liquid that turns slightly cloudy below 20°C. This ester displays partial solubility in water but dissolves easily in oils and non-polar solvents, thanks to its mix of hydrophilic and lipophilic groups. The substance breaks down at high temperatures and starts smoking around 220°C, which matters during manufacturing or sterilization. It holds onto water through hydrogen bonding, so it performs well as a wetting agent. Adding small amounts often shifts the texture or stability of creams and sauces, and its pH remains nearly neutral. These physical quirks let product developers play with viscosity, foam, and emulsification.
Manufacturers must follow strict technical specifications. Reputable suppliers offer sorbitan monolaurate with a minimum 98% purity to avoid complications from leftover fatty acids or free sorbitol. Labels have to list the product’s food-grade status, lot number, and sometimes country of origin. Many countries require identity confirmation via thin-layer chromatography or HPLC to check for any contamination or wrong fatty acid types. Moisture content rarely exceeds 1.5%, which stops microbial growth in the bottle. Kosher, Halal, and allergen-free logos often appear if the product qualifies. Product data sheets explain handling instructions, average acid numbers, and saponification values so buyers adjust recipes or processing to the exact numbers.
Industry creates sorbitan monolaurate using direct esterification. Sorbitol, a sugar alcohol from corn or wheat, reacts with fatty acids drawn most commonly from coconut or palm kernel oils, under gentle heating with acid catalysts. The process strips away water molecules, letting lauric acid and sorbitol form esters bound to each other. Afterward, filtration and washing steps remove unreacted raw material and side products. Temperature and catalyst control stops the formation of other esters (like trilaurate). Good manufacturers recycle solvents and aim for low waste outputs, which reduces environmental burden and helps pass sustainability audits. Batch consistency remains a priority, so companies document each stage to track purity and performance.
Sorbitan monolaurate holds up to mild acids and alkalis, but can break apart in the presence of strong bases or high heat. Chemists sometimes add ethylene oxide to form a family called polysorbates, which increases water solubility. This chemical flexibility lets formulators match the right product to either creamy mayonnaise or clear medicinal syrup. Some research laboratories tweak the fatty acid chain to see what effect shorter or longer chains have on emulsifying properties or compatibility with other molecules. Oxidation and hydrolysis, if left unchecked, can spoil batches, so producers monitor storage temperature and packaging material. Each modification has to survive testing on taste, safety, and appearance before reaching market.
You might recognize sorbitan monolaurate under several names. It’s called E493 under the European food additive system, a monolaurate ester of sorbitan and lauric acid in chemistry manuals, and spans trade names like Span 20. International ingredient registers list it as “sorbitan laurate.” Industry buyers look for those labels to compare with Polysorbate 20 or other non-ionic surfactants, but the differences matter for formulation. Confusion sometimes arises between sorbitan and polysorbate products, so cross-referencing supplier certificates and regulatory lists matters for fit-to-purpose selection.
Regulators like the FDA and EFSA assign strict safety standards for sorbitan monolaurate. Toxicologists evaluate it for food contact, child safety, and environmental persistence. Manufacturers keep contaminants well below required thresholds, running each batch through heavy metal and pesticide screens. Workers handling bulk product must wear gloves and goggles, with local exhaust to reduce inhalation risks, especially in powder or aerosol form. Industry groups collaborate on good manufacturing practices so accidental contamination stays rare. Emergency spill kits and proper first aid information face plant workers at every stage. Safety data sheets show low acute toxicity but recommend washing with soap and water after handling. Wastewater disposal systems grab any residue before it leaves the plant, matching local environmental laws.
Sorbitan monolaurate touches daily life in unexpected ways. It gives bread a longer shelf life by retaining moisture. Cosmetic chemists add it to face creams and lotions to prevent oily and watery ingredients from separating in the tube. Pharmaceutical companies use it in creams to break down active ingredient clusters for smoother release on skin. Cleaning product makers blend it into dish soaps for richer foam and grease-fighting power. Pet food, insecticide emulsions, textile softeners, and stone polishes also see its benefits. Some industries lean on it for anti-static applications or to help synthetic rubber mix smoothly. Over the years, these roles have only grown as recipe complexity and consumer demand both rise.
Research teams continue exploring better variants and alternatives. Some labs examine renewable lauric acid sources to reduce palm oil use and its controversial impact on forests and biodiversity. Others investigate reducing allergenic reactions, even though reports remain rare, by further purifying the final product or switching feedstocks. Nanotechnology researchers modify the molecular structure to encapsulate drugs more efficiently or deliver nutrients in food. Analytical chemists fine-tune detection equipment to spot trace impurities in finished consumer goods. Industry partners and universities sometimes pool funds for public studies highlighting long-term safety or side effect risk across diverse populations.
Studies show a low toxicity profile over decades of use. Animal feeding experiments back in the 1960s found few negative effects even at doses much higher than likely in food. Regulators monitor new scientific literature for allergic reactions or chronic toxicity signals. Hospitals and poison control centers see almost no reports connected to sorbitan monolaurate exposure in foods or cosmetics. Some evidence points to rare digestive discomfort at extremely high intake, pushing authorities to recommend small, strict limits in infant formula or sensitive dietary products. Ongoing monitoring programs in Europe and North America draw information from consumer surveys and clinical follow-ups to flag any emerging health trends.
As industries chase safer, greener, and more transparent ingredients, the search for biodegradable and plant-sourced emulsifiers sharpens. Bioengineered lauric acid, synthetic biology-derived sorbitol, or key improvements in recycling could reshape production chains for sorbitan monolaurate. Some consumer brands request organic-certified ingredients, so sourcing and labeling change to track carbon footprints and pesticide-free growing practices. Food technologists push for cleaner labels, giving preference to recognizable or legacy additives. Global demand for affordable, shelf-stable convenience foods and hygienic soaps likely increases its market share. Universities keep publishing tweaks and alternatives, nudging companies to keep improving purity and sustainability as competitive edges.
Sorbitan monolaurate often shows up on food labels under the name E493. A lot of folks never notice it, though it hides in many baked goods, desserts, and snacks. This substance helps oil and water get along in cake mixes or salad dressings, so that each bite has the same taste and texture. Cakes without this ingredient can turn out uneven. I’ve baked from scratch and seen the difference—a bit of extra science can make even simple muffins come out tender instead of dry or crumbly.
Health authorities like the European Food Safety Authority and the U.S. Food and Drug Administration treat sorbitan monolaurate as safe at regulated amounts. They set limits, since overconsumption of emulsifiers may upset some stomachs. Keeping within these guidelines helps deliver consistent quality while protecting consumers.
The benefits carry into cosmetics and pharmaceuticals as well. Skin creams, lotions, and ointments use sorbitan monolaurate to keep creams smooth. That creamy, spreadable feeling—especially in sunscreen or moisturizing lotions—often comes down to someone in a lab perfecting the mix with this ingredient. Manufacturers pick it because it doesn’t irritate the skin easily and plays well with other common ingredients. I have tried lotions without decent emulsifiers before, and they separated or felt greasy to the touch.
In the pharmaceutical world, sorbitan monolaurate acts as a stabilizer in ointments and topical medicines. It helps deliver even doses and keeps medication from breaking down before use.
An issue with sorbitan monolaurate links to how it’s made. The base, lauric acid, often comes from palm oil. Large-scale palm plantations cause concern about rainforest loss and wildlife threatened by deforestation. Consumer pushback has led many companies to source palm oil certified as sustainable, but efforts are a work in progress. Certifications like RSPO (Roundtable on Sustainable Palm Oil) give buyers some confidence, though not every product on shelves carries this mark.
If you want to avoid palm-based products, finding alternatives gets tricky. Sorbitan monolaurate appears under several names, and there aren’t many easy swaps with the same functional benefits. Being aware of its presence and supporting brands that talk openly about ingredient sourcing offers a practical way forward. More labeling transparency could help people pick the most sustainable option.
Innovation keeps pushing better emulsifiers into the market. Scientists explore plant-based and non-palm sources, working to create products that keep cakes moist and creams smooth but lighten their impact on land and wildlife. Supporting research and spending money on more responsible brands shapes the sort of products we all find in stores.
Sorbitan monolaurate highlights how many modern conveniences—tender cupcakes, smooth lotions, effective medicine—actually rely on chemistry. Knowing where ingredients come from and how they’re made matters just as much as the final flavor or feel.
Sorbitan monolaurate turns up on ingredient labels in snack cakes, ice creams, and even toothpaste. It goes by another name—E493. This additive keeps oil and water from separating. Food businesses use it to make products look and feel appealing; shoppers like the textures they get in desserts and sauces. Scientists built this compound from sorbitol and lauric acid, two substances commonly found in the food world.
Sometimes an ingredient with a complicated name can jump out and spark worry. I used to scan labels in the grocery aisle anxiously and wonder, “What exactly does this do to my body?” People often get alarmed by chemicals that sound unnatural, but most hang-ups around sorbitan monolaurate don’t match up with strong scientific data.
Global food authorities have put in the work on this one. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) set an acceptable daily intake (ADI) of 25 mg per kilogram of body weight. A 70-kg adult could eat more than a gram a day and still be well within limits. The FDA in the U.S. has given it a green light for many uses. The European Union approves it as safe up to the limits set for processed foods. Documentation from these groups is not light reading, but the takeaway is easy to grasp: sorbitan monolaurate in regular food amounts does not cause harm based on evidence so far.
People with specific dietary issues may worry about allergic reactions. In my own circle, someone with a severe coconut allergy wondered about sorbitan monolaurate, since lauric acid sometimes comes from coconut oil. Research so far shows allergic reactions to be extremely rare. Still, anyone with a tree nut or coconut allergy should talk to their doctor before loading up on foods with this additive.
There's a lot of talk about gut health these days. One question that comes up is whether sorbitan monolaurate disrupts digestion or gut bacteria. At very high doses—much more than what shows up in a serving of salad dressing or frozen dessert—it can cause loose stools in animal studies. For normal consumption, eating a balanced diet, this risk does not show up in people. If someone is sensitive or has digestive issues, trying a small amount first and noticing the body’s reaction seems like a measured approach.
While food regulators and big studies say sorbitan monolaurate is safe, the conversation about processed foods continues to grow louder. Many people now want transparency and the choice to buy simpler foods, free of additives they didn’t grow up with. Clear labeling lets everyone decide how much is too much. In my kitchen, we read labels but don’t jump to fear. For those seeking to avoid such additives, preparing more meals at home or selecting minimally processed products offers a practical solution.
Science keeps marching on, and so does our understanding of food ingredients. Staying informed, asking questions, and making choices that align with your own health goals matter more than a single study or headline. Sorbitan monolaurate, taken at current levels in most foods, stacks up as safe according to experts. Advocating for clear labeling and ongoing research will support consumers in making choices they trust, both now and into the future.
Take a look at any creamy salad dressing, spread or baked snack on a grocery shelf. Chances are, Sorbitan Monolaurate plays a role in what you see. Food scientists rely on this ingredient to help oil and water blend smoothly. Without it, products like mayonnaise or some cake batters would split apart. That simple goal—making products look and taste the way we expect—helps reduce food waste. No one wants to buy a separated product, and companies don’t like angry customer emails either.
This additive backs up ingredient lists in many baked foods, dairy alternatives and even some chocolate. During my own experiments baking at home, I’ve fought far too many curdled butter sauces and flat cakes. It drove home why large-scale food companies turn to reliable ingredients like Sorbitan Monolaurate. Achieving the right texture at scale starts to look tougher than just following a recipe.
Medication makers face plenty of challenges, from creating easy-to-swallow pills to making ointments that stay mixed during shipping. Here, Sorbitan Monolaurate gives chemists an important tool to spread out active ingredients evenly. I once worked with a pharmacist who explained the headaches caused by uneven mixing; a medicine’s impact can shift dramatically when one pill packs more punch than another from the same bottle. That’s not just a manufacturing flaw—it poses a real risk to people’s health.
Some injectable medicines and creams lean on this additive for stable mixing, meaning fewer ruined batches and more predictable treatments. Regulators keep a sharp eye, but long-term safety studies from bodies like the Joint FAO/WHO Expert Committee on Food Additives support its use in small doses.
Spend time comparing lotions, sunscreens, or even mascaras, and you’ll find many have Sorbitan Monolaurate tucked inside the ingredient panel. In my own experience with sensitive skin, finding a cream that spreads evenly without feeling greasy seems rare. Smaller droplets of oil, created by good emulsifiers, can make a lotion soak in better.
Beauty brands don’t just use this ingredient for blending; it can help extend shelf life. That means less product separating or going fuzzy in the back of your medicine cabinet.
Industrial uses for this additive stretch from lubricants to textile finishing. Factories often turn to ingredients that help machines run without gunking up parts or ensure dyes set evenly. Anyone who’s done hands-on work with machinery or textiles will recognize the frustration of uneven performance. Sorbitan Monolaurate stays in the background, cutting down on downtime and scrapped material.
Even in agriculture, some crop sprays include it to make sure nutrients stick to leaves rather than rolling off. This supports more consistent results in the field without jacking up chemical use.
Every practical tool carries trade-offs. Some studies raise concerns about allergic reactions for certain people, especially in cosmetics. Professionals in the food and health industries need to stay alert for fresh research and honest labeling so everyone—from the factory worker to the shopper checking ingredients—can make informed choices.
Reading labels turns into detective work when you follow a vegan diet or care what goes into your food. One name that keeps popping up is sorbitan monolaurate. This additive shows up in snack foods, dairy alternatives, desserts, and more. As someone who checks every label while grocery shopping, I’ve run into this ingredient and paused, wondering whether it fits a plant-based lifestyle.
Sorbitan monolaurate comes from a mix of sorbitol and lauric acid. Sorbitol, a sweetener, comes from plant-based glucose. In most cases, corn or wheat gets used to create sorbitol. No animal involvement there.
Lauric acid complicates things. It can come from a range of natural fats. The two main sources today are coconut oil and palm kernel oil. Both these oils are plant-based. In industrial food production, using plant oils costs less than relying on animal fat, which makes plant sourcing the go-to option almost every time. Animal-derived lauric acid rarely shows up in mass-market manufacturing because the supply is limited and the expense is higher.
Someone choosing food for ethical reasons, like I do, will always wonder about sourcing. Some companies could use animal fats, though it's uncommon. Regulatory filings and scientific literature confirm a strong preference for vegetable oils. Food product launches in North America and Europe showcase this trend, where consumers set high expectations for plant-based and vegan certifications. Large additive suppliers, like Croda or Palsgaard, specify plant origin for products that go into vegan or vegetarian applications.
Personal experience backs up what the data says—I’ve emailed manufacturers and compared responses. Most reputable brands highlight plant sources, especially for customers requesting ingredient traceability. Each time I reached out, companies stressed their sorbitan monolaurate comes from palm or coconut derivatives. They also mention certifications, like RSPO for palm sustainability, to reassure those who worry about environmental impact.
Some countries still use animal fats in processed foods, but in many major markets, animal-derived sorbitan monolaurate rarely appears. Local regulations, cost pressures, and shifting consumer habits help shape sourcing. That’s why it makes sense to check product certifications or ask brands about their suppliers. Smaller, less transparent brands could take shortcuts, especially in regions with looser regulations.
Vegans and those with dietary concerns need more than just a quick scan of an ingredient list. Email the company. Look for vegan certification logos. Rely on brands that share sourcing details openly. Those steps offer peace of mind, since additives like sorbitan monolaurate can sound mysterious but often carry a straightforward, plant-based story.
Every product tells its own story. Synthetic or plant origins dominate modern production, but full transparency sets one brand apart from another. Double-checking means you keep control over what lands in your cart and on your plate.
Sorbitan monolaurate pops up in foods as an emulsifier—that is, it helps keep oil and water from separating in products like coffee creamers, ice cream, and bakery treats. The food industry likes it because it keeps salad dressings smooth and helps cake batters stay moist. Its use goes back decades, and companies rely on it to deliver better textures in processed foods.
Health agencies, including the FDA in the United States and the European Food Safety Authority, recognize sorbitan monolaurate as safe for use in food at low concentrations. Its track record spans years of consumption without red flags in the general population. Granted, food safety depends on the dose. Most people eating processed goods containing this ingredient take in only tiny amounts daily, well below limits regulators set based on animal studies and toxicology data.
Some folks might notice belly discomfort if they eat large quantities of emulsifiers in general. Studies using very high doses in rodents have shown gut irritation and loose stools, but these amounts don't match what people get from eating packaged foods. Reports of side effects in people with known food allergies are rare. Sorbitan monolaurate isn't a common trigger for immune responses, so allergic reactions remain very unlikely.
I once had a family member with irritable bowel syndrome (IBS), so we kept a close watch on packaged food labels. Sorbitan monolaurate was just one of many names to scan for. The truth: typical amounts from food didn't set off symptoms, but eating large portions of many processed products sometimes led to mild bloating, probably from the mix of additives rather than a single culprit.
Animal studies looking at chronic exposure find no clear cancer risk or genetic issues tied to sorbitan monolaurate. Long-term studies in people remain limited. Surveys show most people consume far less than the "no observed adverse effect level" researchers suggest as safe.
There’s some debate among health advocates about emulsifiers and gut health. A few mouse studies suggest high intake could disturb gut bacteria and trigger inflammation, especially when combined with unbalanced diets. Doctors and nutritionists point to the bigger picture; processed foods, loaded with sugar, salt, and additives, pile on health risks when eaten in large quantities.
Sticking to mostly whole foods—fruits, vegetables, grains—cuts down on exposure to food additives, including sorbitan monolaurate. Occasional processed snacks most likely won't hurt a healthy adult. People who know they’re sensitive to food additives or who struggle with digestive problems might want to keep a food diary, track symptoms, and talk with their doctor about ingredients to limit.
Clear labeling helps everyone make better choices. Food makers should keep ingredient lists straightforward and easy to read. More independent research about long-term, low-level additive consumption would give peace of mind. If you ever feel off after eating certain packaged foods, consider rotating new options into your meals. A healthy diet always comes down to variety and moderation.
| Names | |
| Preferred IUPAC name | 2-(Dodecanoyloxy)methyl)-4-hydroxy-3,6-dioxaoctanol |
| Other names |
Span 20 Sorbitan laurate Sorbitol monolaurate Sorbitan dodecanoate E493 |
| Pronunciation | /ˈsɔːrbɪtæn ˌmɒnəˈlɔːreɪt/ |
| Preferred IUPAC name | 2,3-dihydroxypropyl (2R)-2,3-dihydroxypropanoate |
| Other names |
Span 20 Sorbitan laurate Sorbitol monolaurate Sorbitan lauric acid ester Glycol ester E493 |
| Pronunciation | /sɔːrˈbɪtæn ˌmɒnəʊˈlɔːreɪt/ |
| Identifiers | |
| CAS Number | 1338-39-2 |
| Beilstein Reference | 5441329 |
| ChEBI | CHEBI:53428 |
| ChEMBL | CHEMBL4166191 |
| ChemSpider | 12194 |
| DrugBank | DB11107 |
| ECHA InfoCard | 100.026.276 |
| EC Number | EC 215-665-4 |
| Gmelin Reference | 87543 |
| KEGG | C19635 |
| MeSH | D013508 |
| PubChem CID | 5363260 |
| RTECS number | WNLRN8R52J |
| UNII | C34H77NO6 |
| UN number | UN2926 |
| CompTox Dashboard (EPA) | `DTXSID0047872` |
| CAS Number | 1338-39-2 |
| Beilstein Reference | 2602769 |
| ChEBI | CHEBI:53690 |
| ChEMBL | CHEMBL1421853 |
| ChemSpider | 21566032 |
| DrugBank | DB11040 |
| ECHA InfoCard | 13e6d6d3-0c21-4247-91ac-ac062a60d892 |
| EC Number | EC 215-663-3 |
| Gmelin Reference | 64264 |
| KEGG | C19607 |
| MeSH | D013513 |
| PubChem CID | 5356289 |
| RTECS number | WGK6G8SK5L |
| UNII | J59920Q59A |
| UN number | UN3082 |
| CompTox Dashboard (EPA) | DTXSID2020183 |
| Properties | |
| Chemical formula | C18H34O6 |
| Molar mass | 346.46 g/mol |
| Appearance | Yellow to amber viscous liquid |
| Odor | Characteristic |
| Density | 1.03 g/cm³ |
| Solubility in water | Insoluble in water |
| log P | logP = 8.3 |
| Vapor pressure | Negligible |
| Acidity (pKa) | ~14 (Estimated, Alcohol group) |
| Basicity (pKb) | 11.76 |
| Magnetic susceptibility (χ) | -7.7×10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.454 |
| Viscosity | Viscous liquid |
| Dipole moment | 2.12 D |
| Chemical formula | C18H34O6 |
| Molar mass | 430.62 g/mol |
| Appearance | Yellow to amber viscous liquid |
| Odor | Characteristic |
| Density | 1.01 g/cm³ |
| Solubility in water | Insoluble in water |
| log P | 2.8 |
| Vapor pressure | Negligible |
| Basicity (pKb) | 12.15 |
| Refractive index (nD) | 1.455–1.471 |
| Viscosity | Viscous liquid |
| Dipole moment | 2.8709 D |
| Thermochemistry | |
| Std enthalpy of combustion (ΔcH⦵298) | -1650.7 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -16500.5 kJ/mol |
| Pharmacology | |
| ATC code | A06AG02 |
| ATC code | A20AB02 |
| Hazards | |
| Main hazards | May cause mild skin and eye irritation. |
| GHS labelling | GHS07 |
| Pictograms | GHS07 |
| Signal word | No signal word |
| Hazard statements | May cause eye irritation. |
| Precautionary statements | Precautionary statements: P264, P280, P305+P351+P338, P337+P313 |
| NFPA 704 (fire diamond) | 1-1-0 |
| Flash point | > 110 °C |
| Autoignition temperature | > 357°C |
| Lethal dose or concentration | LD50 (Rat, oral): > 36,800 mg/kg |
| LD50 (median dose) | > 29,600 mg/kg (rat, oral) |
| NIOSH | NJZH |
| PEL (Permissible) | PEL: Not established |
| REL (Recommended) | max. 15 mg/kg |
| Main hazards | May cause mild skin and eye irritation. |
| GHS labelling | Not a hazardous substance or mixture according to the Globally Harmonized System (GHS) |
| Pictograms | GHS07 |
| Signal word | No signal word |
| Hazard statements | May cause eye irritation. |
| Flash point | > 220 °C |
| Autoignition temperature | > 340°C |
| Lethal dose or concentration | LD50 Oral Rat 29,400 mg/kg |
| LD50 (median dose) | 27,700 mg/kg (rat, oral) |
| NIOSH | WXZ9Q6B08Z |
| PEL (Permissible) | PEL (Permissible) for Sorbitan Monolaurate: Not established |
| REL (Recommended) | ≤ 2% |
| IDLH (Immediate danger) | Unknown |
| Related compounds | |
| Related compounds |
Sorbitan monooleate Sorbitan monostearate Sorbitan monopalmitate Polysorbate 20 Polysorbate 60 Polysorbate 80 |
| Related compounds |
Sorbitan monooleate Sorbitan monopalmitate Sorbitan monostearate Polysorbate 20 Polysorbate 60 Polysorbate 80 Lactic acid esters of sorbitan |