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CAS NO.2783-94-0
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| Food Yellow 3 Basic information |
| Product Name: | Food Yellow 3 |
| Synonyms: | SUNSET YELLOW;SUNSET YELLOW FCF;1351yellow;1899yellow;1-p-sulfophenylazo-2-hydroxynaphthalene-6-sulfonate,disodiumsalt;1-p-sulfophenylazo-2-naphthol-6-sulfonicacid,disodiumsalt;1-p-sulphophenylazo-2-naphthol-6-sulphonicacid,disodiumsalt;6-hydroxy-5-((4-sulfophenyl)azo)-2-naphthalenesulfonicacid,disodiumsalt |
| CAS: | 2783-94-0 |
| MF: | C16H10N2Na2O7S2 |
| MW: | 452.37 |
| EINECS: | 220-491-7 |
| Product Categories: | Analytical Chemistry;Food Colors by Food Sanitation Law in Japan;Aromatics;Intermediates & Fine Chemicals;Pharmaceuticals;Sulfur & Selenium Compounds |
| Mol File: | 2783-94-0.mol |
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| Food Yellow 3 Chemical Properties |
| mp | 390°C (dec.) |
| Colour Index | 15985 |
| Water Solubility | 5-10 g/100 mL at 24 ºC |
| Merck | 9001 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 2783-94-0(CAS DataBase Reference) |
| EPA Substance Registry System | 2-Naphthalenesulfonic acid, 6-hydroxy-5-[(4-sulfophenyl) azo]-, disodium salt(2783-94-0) |
| Safety Information |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| RTECS | QK2450000 |
| Hazardous Substances Data | 2783-94-0(Hazardous Substances Data) |
| MSDS Information |
| Provider | Language |
|---|---|
| Disodium 6-hydroxy-5-[(4-sulphonatophenyl)azo]naphthalene-2-sulphonate | English |
| Food Yellow 3 Usage And Synthesis |
| Chemical Properties | orange-red crystals or powder |
| Usage | Provisionally listed for use in food, drugs and cosmetics. Sunset Yellow is useful in fermented foods which must be heat treated. It may be found in orange sodas, orange jelly, marzipan, Swiss rolls, apricot jam, citrus marmalade, lemon curd, sweets, hot chocolate mix and packet soups, trifle mix, breadcrumbs, snack chips, shelf fresh noodles, cheese sauce mixes. Sunset Yellow is a sulfonated ver sion of Sudan I, a possible carcinogen. Sunset Yellow itself may be responsible for causing an allergic reaction in people with an aspirin intolerance, resulting in various symptoms, including gastric upset, diarrhea, vomiting, nettle rash (urticaria), swelling of the skin (angioedema) and migraines. |
| General Description | Orange-red crystals or a red powder. |
| Air & Water Reactions | Azo dyes can be explosive when suspended in air at specific concentrations. Soluble in water. |
| Reactivity Profile | Food Yellow 3 is an azo compound. Azo, diazo, azido compounds can detonate. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases are formed by mixing materials of this class with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides. |
| Health Hazard | SYMPTOMS: It can cause enlargement of the caecum and weight loss. |
| Fire Hazard | Flash point data for Food Yellow 3 are not available; however, Food Yellow 3 is probably combustible. |
| Food Yellow 3 Preparation Products And Raw materials |
| Raw materials | Sodium nitrite-->Sodium chloride-->Aluminium chloride-->Sulfanilic acid-->Congo red paper-->Naphthionic acid-->6-Hydroxynaphthalene-2-sulphonic acid-->Sodium 6-hydroxynaphthalene-2-sulfonate-->Sunset yellow aluminium lake |
| Preparation Products | Food Yellow 3:1 |
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