orange B
disodium 1-(4-sulfophenyl)-3-ethylcarboxy-4-(4-sulfonaphthylazo)-5-hydroxypyrazole
Identification
| Name | orange B |
| IUPAC | disodium 4-[2-[3-ethoxycarbonyl-5-oxo-1-(4-sulfonatophenyl)pyrazol-4-ylidene]hydrazinyl]naphthalene-1-sulfonate |
| CAS Number | 15139-76-1 |
| FDA UNII | RGU455OS50 |
| Molecular Formula | C22 H16 N4 Na2 O9 S2 |
| Molecular Weight | 590.49985856 |
Regulatory
| FDA Mainterm (SATF) | 15139-76-1 ; ORANGE B |
| FDA Regulation | FDA PART 74 -- LISTING OF COLOR ADDITIVES SUBJECT TO CERTIFICATION |
Physical Properties
| Food Chemicals Codex Listed | No |
No sensory data available
Safety Information
| Oral/Parenteral Toxicity | Not determined |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | coloring agents |
| Recommendation for orange B usage levels up to | not for fragrance use. |
| Recommendation for orange B flavor usage levels up to | not for flavor use. |
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Potential Uses
Natural Occurrence
Synonyms
acid orange 137
disodium 1-(4-sulfophenyl)-3-ethylcarboxy-4-(4-sulfonaphthylazo)-5-hydroxypyrazole
disodium 4-[2-[3-ethoxycarbonyl-5-oxo-1-(4-sulfonatophenyl)pyrazol-4-ylidene]hydrazinyl]naphthalene-1-sulfonate
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