Carmosine, a synthetic azo dye, caught the food industry's attention after the mid-20th century during a boom in artificial colorant production. Chemists developed Carmosine to offer a stable, vibrant red shade in processed foods. The drive to standardize color and shelf life in products led food scientists to embrace more predictable synthetic options, shifting reliance away from natural pigments that suffer from variability and limited supply. Over the decades, governments and regulatory bodies began scrutinizing artificial dyes, including Carmosine, requiring comprehensive toxicity testing and clear labeling. Manufacturers started recognizing shifting consumer attitudes, with parents and advocacy groups raising concerns over hyperactivity and allergies. This tension between industry needs and public health remains a critical marker in the ongoing story of food color regulation.
Carmosine appears as a deep red to maroon powder, easily soluble in water, and it brings brilliance to drinks, desserts, and candies. The dye lands on ingredient lists under several aliases such as Azorubine or Food Red 3. A typical application occurs in products marketed toward children—think red jellies or brightly colored sodas. Not limited to food, Carmosine finds its way into cosmetics and pharmaceutical tablets. Its popularity rests on consistent results and adaptability. Over time, public demand for ingredient transparency forced manufacturers to clarify the dye’s role, prompting clearer labeling to inform those monitoring their intake due to dietary guidelines, religious concerns, or allergies.
In its raw form, Carmosine stands out for several features. It dissolves rapidly in water, which makes it easy for food processors to achieve the color intensity they desire. The chemical structure holds up against heat and light, meaning it won’t break down during baking or under fluorescent display lights. This resilience draws from the azo group in its backbone, a feature shared by many other food dyes. Pure Carmosine powder feels gritty, but in solution, it releases a vivid red. One challenge emerges in products where high acidity or strong oxidizers might dull or alter the color slightly, which pushes formulators to consider recipe adjustments.
Carmosine falls under food additive codes like E122 in Europe, with purity standards tightly controlled across markets. Specifications outline maximum allowable contaminants, moisture content, and purity thresholds. Food producers often print batch numbers and certification marks to reassure customers and authority inspectors. Labeling requirements demand full disclosure, sometimes in languages tailored to the region where the product is sold. So, for consumers wary of artificial additives, awareness starts with reading labels carefully. In my experience, working with international teams, differences in labeling regulation can create confusion, with some countries requiring warnings about potential reactions in sensitive populations, while others simply list the code or name.
Manufacturers create Carmosine through a multi-step synthetic process. Production typically begins with aromatic amines, reacting them with nitrous acid to form a diazonium salt. Chemists step in at this crucial point, pairing the intermediate with coupling agents—often either naphthol or resorcinol derivatives. After several purification cycles, filtration, and drying, a stable powder results. The challenge sits in minimizing by-products and keeping impurities below detection limits set by food safety standards. Modern plants automate much of this, but small-batch runs in laboratory settings require care, diligence, and constant monitoring.
Carmosine’s azo bond, linking nitrogen and aromatic rings, provides both vividness and susceptibility to strong chemical alteration. Under reducing conditions, such as those mimicking digestion or exposure to certain preservatives, the molecule breaks down into aromatic amines—a property that sparked health research in the early 2000s. Some food scientists experiment with modified versions to improve solubility in fat-based systems. Others try integrating it into polymer matrices for novel uses in diagnostic assays or textile printing. Still, mainstream use in food stays grounded in the parent compound, which regulators most deeply understand.
Besides Carmosine, common names include Azorubine, Food Red 3, and C.I. 14720. Regulatory catalogues often refer to it as E122, linking the substance to a specific set of safety studies and usage limits. On consumer packaging, synonyms sometimes create confusion, with global companies juggling different labeling traditions in Europe, Asia, and North America. For supply chain managers, knowing all the alternative terms helps avoid costly errors or accidental mislabeling. Suppliers often use trade names unique to their branding strategies, though the chemical inside matches regulatory standards for Carmosine.
Regulators maintain strict limits on Carmosine concentrations in food and drink. In Europe, the daily intake limit is capped based on body weight, a rule rooted in toxicological data. Manufacturing plants handling Carmosine need ventilation, protective gear, and regular safety audits. I’ve walked factory floors where workers use goggles and masks, not only for their own safety but to prevent batch contamination. Quality assurance teams check for trace metals, solvent residues, and microbial contamination during production. Records get logged for every manufacturing lot, ready for checks by health inspectors at short notice. Global differences in safety standards occasionally cause headaches for exporters, who must modify production steps to meet local laws.
Most Carmosine lands in confectionery, baked goods, syrups, jams, and ice creams. Beverage developers blend it into soft drinks, using small test batches to fine-tune each product’s appeal. Outside food, pharmaceutical manufacturers coat tablets with it, offering visual cues for dosage and branding. In my experience, food scientists lean toward Carmosine for recipes that need color stability during pasteurization or baking. Cosmetic brands tap into its pageantry by creating bright lip balms and blushes, testing for potential skin sensitivity. Technical teams in diagnostics sometimes try Carmosine in specialty assays that rely on color reactions, leveraging its known reactivity profile.
Modern research on Carmosine covers methods to enhance safety and reduce production waste. Some investigate blending natural and artificial dyes to cut down on total synthetic additive content. Others look at encapsulating Carmosine to delay color release or protect it in acidic formulas. Analytical chemists design new detection techniques for trace contaminants and breakdown products—efforts that support ongoing regulatory reviews. In academic labs, graduate students occasionally explore greener synthesis strategies, using less toxic reagents and lower-energy processes. The food industry keeps close tabs on these studies, hoping new approaches can streamline compliance or offer competitive edges. Consumer pressure sparks innovation too, as brands seek clean-label solutions without losing visual impact.
Safety studies have drawn mixed conclusions about Carmosine’s impact on human health. Animal models suggest most individuals tolerate usual food doses, but some research links high levels or chronic exposure to allergic reactions and worsening of symptoms in sensitive children. This triggered widespread debate about its presence in school meals and products targeted at youth. Large epidemiological studies produced conflicting results, with some showing no statistical link to ADHD, while others recommend caution for those with prior sensitivities. Regulatory agencies in the EU, US, and Asia reviewed findings and often require warning statements or strict intake thresholds. Parents and advocacy groups continue to monitor research, pressing for more independent long-term studies and pushing for alternatives where feasible.
Demand for artificial dyes like Carmosine faces stiff competition from natural colorants as consumer preference shifts toward “cleaner” labels and shorter ingredient lists. At the same time, cost and technical performance keep Carmosine in play, especially for large-scale operations where natural dyes cannot deliver the same punch at scale. Ongoing work in metabolic research, risk assessment, and eco-friendly manufacturing could tilt the scales. Policy makers assess not just scientific data but also societal trends—some regions may restrict Carmosine use further, while others allow it under unchanged rules. The story of Carmosine reflects not only chemistry but cultural and economic factors, a reminder that food coloring choices mirror bigger questions about trust, safety, and the future of processed foods.
People eat with their eyes long before a spoon gets involved. Vivid colors scream “freshness” and “fun”, even if the food inside the bag or box is far from garden-picked. Carmosine brings that kind of appeal to the table. A synthetic dye, often labeled as E122, Carmosine gives food and drinks a bold red that’s tough to match with natural sources. Think cherry jellies, strawberry yogurts, and those super-red candies that practically glow on supermarket shelves.
Walk down the candy aisle, and Carmosine shows up in gummies, lollipops, and hard sweets. Bakers use it in cakes, pastries, and icing to give a deep, uniform look. Fizzy drinks and syrups reap the rewards of a stable, eye-catching color. Even some flavored yogurts use it for that juicy fruit look, and ice cream makers love it for bold swirls. It even pops up in pickled vegetables, offering a hint of raspberry red to gherkins and onions. Sometimes, Carmosine appears in non-food items such as cough syrups and cosmetics, giving products a distinct edge on the shelf.
Color grabs attention, but not everyone loves the idea of artificial dyes in their food, especially with kids in the picture. Studies have linked synthetic dyes like Carmosine to hypersensitivity reactions in rare cases. European authorities such as EFSA set strict limits on how much can go in foods, aiming to keep total intake safe for all age groups. Food companies follow legal maximum levels, and the law makes sure labels carry clear declarations for allergies or sensitivities. In some countries, Carmosine never touches children’s products. While safety studies rule out links to cancer at approved levels, parents may still lean toward foods with fewer artificial dyes.
Natural colorings from beets, paprika, and berries look like a better option at first glance. They feel safer and speak to the desire for fewer “E-numbers”. The trouble is, natural colors fade fast, especially when exposed to sunlight or heat. Bakers and soda makers often find Carmosine gives them more stable, shelf-ready products. For companies working at scale, it’s tough to ditch what works just to respond to every trend. Still, larger brands are shifting their focus to plant-based colors, since consumers keep pushing for change.
Food colorings like Carmosine fill a need—it’s about looks, not taste or nutrition. As a parent, I check ingredient lists for Red 122, Red 40, and the rest, weighing convenience against worries about long-term effects. You won’t spot Carmosine in every kitchen or bakery, but you can count on it showing up where vivid reds help products stand out. Families who care can lean on labeling laws and stick with brands that lay out their color choices clearly.
The market’s shifting toward clearer labels and natural options. Carmosine isn’t disappearing overnight, but pressure from parents, shoppers, and public health groups keeps moving things in that direction. If a product’s loud color gets your attention, odds are there’s a dye, artificial or not, working behind the scenes.
Carmosine pops up in a lot of unexpected places—jelly, soft drinks, even some kid’s medicines. Producers count on it for bright red shades. Kids and adults eat products colored with Carmosine every day, sometimes without a second thought. Some families glance at ingredient lists, but not everyone recognizes E122 or its other names.
Plenty of research has gone into synthetic dyes like Carmosine. British and European regulators put limits on its use. The European Food Safety Authority carried out a review and pointed toward possible risks at high exposure, especially for children who take in a lot through sweets or colored drinks.
The story often centers on allergies and intolerance. Some people report rashes or asthma after eating foods with Carmosine, though not everyone reacts. Studies also connect certain food colors, including Carmosine, to hyperactivity in kids who already have difficulties with attention or focus. The most famous study, from Southampton University in 2007, pushed the debate further by linking a mix of artificial colors with increased hyperactivity—Carmosine included. Those findings sparked a label requirement in Europe, where products with Carmosine carry a warning to alert parents and consumers.
Food manufacturers argue that Carmosine offers reliable results and holds up better under heat and light than many natural colors. From an industry view, the color shows up well and keeps products looking appetizing. But sitting at the dinner table, people care less about shelf appeal and more about how ingredients affect their families.
Even after hearing the official line that Carmosine falls under approved safety limits, many parents dodge it out of caution. My own approach echoes plenty of others—if my kids start bouncing off the walls after eating brightly colored snacks, I glance at the label. Over time, those small choices add up. Some schools and even entire countries have moved to ban or reduce certain synthetic dyes.
More companies lean toward plant-based colors because consumers ask for cleaner labels. Beet juice, paprika, and berry extracts can color foods naturally, though they sometimes look a bit duller or fade faster. It can be tricky for manufacturers to find options that match Carmosine’s brightness, but the demand keeps pushing research into new sources.
Food safety comes down to informed choices and open access to information. Labels need to be clear so that busy parents—or anyone—can spot ingredients with possible health effects. Allergic reactions, hyperactivity, and long-term exposure stand as real concerns for some people, not just regulatory talking points. Doctors, dietitians, and consumer groups play a huge part in translating complex studies into practical advice.
Sticking to real foods, skipping heavily processed treats, or choosing brands that advertise no synthetic dyes can help sidestep the whole question. At the same time, keeping pressure on regulators and producers to be honest and careful with ingredients draws a line between responsible food science and shortcuts that just brighten up a candy shelf.
Walk down any supermarket aisle, and it’s easy to spot products sporting vibrant reds and pinks. Carmosine delivers much of that color. You’ll find it in candies, drinks, desserts, flavored yogurts, and even some medicines. As a synthetic food dye, Carmosine brings eye-catching color to the table, but that splash of red comes with baggage.
Stories about food coloring and health risks aren’t new. Parents swap notes about red dyes sending kids into hyperactive overdrive. Scientists examine links between these additives and allergic reactions. A study published in the journal “Food and Chemical Toxicology” drew connections between certain food colors, including Carmosine, and increases in hyperactive behavior in children, especially those with pre-existing sensitivity. Even though this doesn’t mean all kids or adults will react, the growing pile of research has turned some heads in regulatory offices and family kitchens alike.
Carmosine has caused hives and rashes in sensitive people. Some individuals with asthma find symptoms kick up a notch after eating foods with this dye. The UK’s Committee on Toxicity did highlight rare instances when Carmosine triggered severe allergic responses—sometimes labeled as pseudo-allergies—making it a known issue for vulnerable groups.
What’s striking is how unnoticed these risks sail by in daily eating. A child grabbing a colorful soda at a birthday party isn’t thinking about potential reactions. My own family has lived with food allergies, and tracking additives feels like detective work. Once, after an unexplained rash, we found Carmosine listed in the tiny print of a “strawberry” yogurt. Sure enough, after cutting it out, the rash subsided.
It’s not only about full-blown allergies. People report headaches, stomach discomfort, and irritability after consuming foods with artificial colors. The European Food Safety Authority reviewed safety data and set guidelines for how much Carmosine is considered acceptable. Even so, labels in some countries still hide behind codes like “E122,” which doesn’t tell a parent much if they don’t know what to look for.
Schools, hospitals, and parents have started paying closer attention to the colors in everyday foods. Some advocate for use of natural alternatives like beet juice or paprika extract. These options sidestep many of Carmosine’s associated risks and can appeal to those seeking a less synthetic diet. A growing number of food manufacturers in Europe and Australia swapped out Carmosine after demand from shoppers grew louder.
Transparency holds power here. More clear labeling—listing the actual name, not just a code—gives people the agency to make informed choices. Regulators like the US Food and Drug Administration require dyes to be listed on packaging, but rules around warnings or age-specific guidance differ widely. Consumers can push companies to rethink the dyes they use by voicing concerns and supporting products with cleaner labels.
No one needs a stack of medical journals to realize that ingredients matter. Eating habits shape long-term health and influence how kids experience food and wellbeing. Carmosine’s story is not just about rare reactions or scientific studies. It’s about opening up ingredient lists, listening to those affected, and making sure that the colors in our food aren’t hiding unwanted surprises. Choosing products colored with natural dyes isn’t about alarmism; it’s about stacking the odds for better health, one snack at a time.
Carmosine pops up more often than many realize. The bright red or maroon coloring in some sweets, flavored drinks, and even medicines comes from this synthetic dye. It grabs attention, especially for kids attracted to colorful foods. Plenty of friends and parents in my circle have scanned labels, sometimes surprised to find how often carmosine sneaks into unexpected places.
It's smart to ask questions about carmosine. Scientists and food safety experts have looked into its impact, particularly on kids. Some studies link certain artificial colors—including carmosine—to hyperactivity and attention issues. The European Food Safety Authority (EFSA) reviewed the research and set guidelines for how much carmosine kids can safely eat. The acceptable daily intake sits at 4 mg per kilogram of body weight. Even with limits, the concern doesn’t just vanish.
Reports from parents have led to product labels across the UK. In Europe, warnings must appear on food if carmosine is present: “may have an adverse effect on activity and attention in children.” As a parent, the sight of that warning gives pause. It isn’t just about numbers. Many parents would rather sidestep possible risks, especially when life is busy enough without added worries over what bright foods may be doing to kids’ concentration and wellbeing.
Artificial colors like carmosine bring consistency and shelf life in processed snacks. Food companies often choose it because it’s cost-effective and delivers bold, eye-catching shades. As adults who grew up with neon candies and soda, the bright hue may seem nostalgic. Still, kids’ bodies aren’t just smaller versions of adults—they react differently, and their brains and systems keep developing.
Several countries have already taken action. The United States, for instance, allows carmosine (known there as Red 3), but public pressure sees many brands switching to natural colors. In Norway and Austria, carmosine faces restrictions, reflecting concerns over its safety.
Whenever friends raise the issue, I suggest checking labels and talking to pediatricians if certain foods create outbursts or irritability. Some families experiment with home baking using natural colorings like beetroot or turmeric. The change doesn’t mean giving up treats, but approaching them with extra awareness.
Caring for kids often involves tradeoffs between convenience and health. Real citrus or berry flavors can offer color and taste, minus additives. Many brands now advertise “no artificial colors,” reflecting growing demand. Shopping with children and reading ingredient lists becomes a learning moment about what goes into snacks and meals.
Kids will always crave fun, vibrant foods. Yet, it only takes a bit more effort to give families better options. Natural colors continue to improve, making it easier to skip chemical dyes without sacrificing appeal. I’ve noticed schools and daycare centers shifting to products without synthetic colors, particularly for young children.
Long-term health habits start early. If carmosine raises questions or creates stress for parents, it may be worth swapping it out. Food should add joy, not worry, to childhood and family meals.
Carmosine, known for its deep red hue, lands in a range of familiar foods across the world. From candies and dessert mixes to syrups and soft drinks, this synthetic dye draws attention not only for its color but also for the ongoing debate about its safety and regulatory journey.
Regulators worldwide don’t share the same playbook. In Europe, Carmosine—hidden under the label E122—shows up in ingredient lists, but you won’t see it everywhere. The European Food Safety Authority (EFSA) imposed specific limits after reviewing studies, sticking to a guideline for how much children and adults should consume per kilogram of body weight per day. That limit currently stands at 4 mg/kg. Any company planning to use Carmosine in its products in Europe needs to stay inside those boundaries.
Switch over to countries like India or many in the Middle East, you’ll find Carmosine turning up in colorful bakery items, beverages, and gelatins. Their food safety authorities continue to allow it but also keep their own restrictions in place, sometimes even tighter than European rules.
Businesses in the United States face a different scene. Carmosine didn’t gain approval from the Food and Drug Administration (FDA), so shoppers won’t find it listed in American ingredient panels. Manufacturers seeking bright reds usually lean on alternatives such as Allura Red (Red 40) instead of Carmosine.
Why the difference in regulatory opinion? Many factors come into play. Some studies link Carmosine to hyperactivity in sensitive children or rare allergic reactions. These findings led groups like EFSA to require warning labels on products containing the dye, urging extra care for those who may react. On the other hand, broad-based scientific reviews haven’t delivered a knockout blow—there’s no universal evidence painting this ingredient as dangerous for most people in modest amounts.
Yet, questions remain. Small children, already more vulnerable to food additives, tend to have higher exposure when eating heavily processed treats. Health authorities keep an eye out for new evidence that could tip the scales. In regions where Carmosine stays on store shelves, enforcement centers on clear labeling, realistic daily consumption limits, and regular testing of foods for additive content.
Sometimes laws alone can’t answer every question. As someone who’s stood in a grocery aisle, squinting at tiny ingredient lists, I know the label often matters just as much as the rules behind it. Folks want to know what’s in the food they feed their families. A bold warning or extra detail on packaging helps people make choices grounded in their own dietary needs and beliefs.
For parents, the safe route means checking labels thoroughly—especially on products imported from regions with different regulations. Teachers and healthcare professionals can also look out for kids who may react to certain colorings and recommend practical alternatives.
Food safety doesn’t stand still. Science evolves and regulators respond over time. Countries that keep Carmosine on the approved list owe their citizens frequent updates and open channels for reporting adverse reactions. Global companies, hoping to sell one recipe worldwide, might consider removing dyes with patchy approval records or investing in natural coloring options. These moves can earn consumer trust far more than sticking only to minimum legal requirements.
Looking ahead, sound regulation depends on transparency, ongoing research, and honest communication between food producers and the public. Additives like Carmosine show how food standards reflect both science and local community priorities. In the meantime, reading up, asking questions, and keeping an eye on the latest findings can only help shoppers make safer choices.
| Names | |
| Preferred IUPAC name | sodium 4-[(2-hydroxy-1-naphthyl)azo]benzene-1,3-disulfonate |
| Other names |
Azorubine Food Red 3 Acid Red 14 E122 |
| Pronunciation | /ˈkɑːr.mə.siːn/ |
| Preferred IUPAC name | Disodium 4-hydroxy-3-[(4-sulfonato-1-naphthyl)azo]naphthalene-1-sulfonate |
| Other names |
Azorubine Food Red 3 E122 C.I. 14720 |
| Pronunciation | /ˈkɑː.məˌziːn/ |
| Identifiers | |
| CAS Number | 3567-69-9 |
| Beilstein Reference | 13685929 |
| ChEBI | CHEBI:34563 |
| ChEMBL | CHEMBL613059 |
| ChemSpider | 5765 |
| DrugBank | DB13912 |
| ECHA InfoCard | 100.030.078 |
| EC Number | E122 |
| Gmelin Reference | 84440 |
| KEGG | C02053 |
| MeSH | D030239 |
| PubChem CID | 95794 |
| RTECS number | CC5950000 |
| UNII | 8A6QLL4J6C |
| UN number | UN1760 |
| CompTox Dashboard (EPA) | DTXSID6020289 |
| CAS Number | 3567-69-9 |
| Beilstein Reference | 1904742 |
| ChEBI | CHEBI:34557 |
| ChEMBL | CHEMBL2103837 |
| ChemSpider | 33160 |
| DrugBank | DB12932 |
| ECHA InfoCard | 07d1b40e-4e3a-4a9d-abd2-b2c4111c7faa |
| EC Number | E122 |
| Gmelin Reference | 145320 |
| KEGG | C01766 |
| MeSH | D03.633.100.221 |
| PubChem CID | 61353 |
| RTECS number | GV0700000 |
| UNII | Y6S3U5076D |
| UN number | UN1760 |
| CompTox Dashboard (EPA) | CompTox Dashboard (EPA)": "DTXSID4042077 |
| Properties | |
| Chemical formula | C18H14N2Na2O8S2 |
| Molar mass | 502.441 g/mol |
| Appearance | red to maroon powder |
| Odor | Odorless |
| Density | 0.7 g/cm³ |
| Solubility in water | Soluble in water |
| log P | 1.2 |
| Vapor pressure | Negligible |
| Acidity (pKa) | 12.5 |
| Basicity (pKb) | 11.95 |
| Magnetic susceptibility (χ) | Paramagnetic |
| Dipole moment | 2.37 D |
| Chemical formula | C17H14N2Na2O7S2 |
| Molar mass | 502.441 g/mol |
| Appearance | Appearance: "Dark red to maroon powder or granules |
| Odor | Odorless |
| Density | 0.8 g/cm³ |
| Solubility in water | Soluble in water |
| log P | -3.7 |
| Acidity (pKa) | 12.4 |
| Basicity (pKb) | 12.57 |
| Magnetic susceptibility (χ) | Diamagnetic |
| Dipole moment | 3.8065 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 404.0 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -873.9 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -2734 kJ/mol |
| Std molar entropy (S⦵298) | 324.6 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -887.8 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -3365 kJ/mol |
| Pharmacology | |
| ATC code | A16XB56 |
| ATC code | A16AX14 |
| Hazards | |
| Main hazards | May cause allergic reactions, particularly in individuals sensitive to azo dyes. |
| GHS labelling | GHS07,Warning |
| Pictograms | vegan, vegetarian, halal, kosher |
| Signal word | Warning |
| Hazard statements | No hazard statements. |
| Precautionary statements | P261, P264, P270, P272, P273, P280, P302+P352, P305+P351+P338, P312, P333+P313, P362+P364, P501 |
| NFPA 704 (fire diamond) | 2-0-0 |
| Autoignition temperature | > 230 °C |
| Lethal dose or concentration | LD50 (rat, oral): > 10,000 mg/kg |
| LD50 (median dose) | LD50 (median dose): 2200 mg/kg (rat, oral) |
| NIOSH | Not listed |
| PEL (Permissible) | 200 mg/kg |
| REL (Recommended) | 50 mg/kg |
| Main hazards | May cause allergic reactions, especially in asthmatics or aspirin-sensitive individuals. |
| GHS labelling | GHS07, GHS09 |
| Pictograms | Egg Free, Fish Free, Gluten Free, Milk Free, Peanut Free, Shellfish Free, Soy Free, Vegan, Vegetarian |
| Signal word | Warning |
| Hazard statements | No hazard statements. |
| Precautionary statements | P261, P262, P264, P270, P273, P301+P312, P305+P351+P338, P501 |
| NFPA 704 (fire diamond) | 2-1-0 |
| Autoignition temperature | 190°C |
| Lethal dose or concentration | LD50 (Rat, oral): 2200 mg/kg |
| LD50 (median dose) | LD50 (median dose) of Carmosine: "2200 mg/kg (oral, rat) |
| NIOSH | SC2650000 |
| PEL (Permissible) | 200 mg/kg |
| REL (Recommended) | 200 mg/kg |
| IDLH (Immediate danger) | Not established |
| Related compounds | |
| Related compounds |
Amaranth Allura Red AC Sunset Yellow FCF Ponceau 4R Tartrazine Erythrosine |
| Related compounds |
Allura Red AC Amaranth Ponceau 4R Sunset Yellow FCF |