ci 27755
2,7-naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-((7-sulfo-4-((sulfophenyl)azo)-1-naphthalenyl- )azo)-, tetrasodium salt
Identification
| Name | ci 27755 |
| CAS Number | 2118-39-0 |
| EINECS | 218-326-9 |
| FDA UNII | Search |
| Molecular Formula | C26 H15 N5 Na4 O12 S4 |
| Molecular Weight | 809.65002712 |
Regulatory
Physical Properties
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Flash Point | 32.00 °F. TCC ( 0.00 °C. ) (est) |
| logP (o/w) | 0.917 (est) |
| Soluble in | water, 73.48 mg/L @ 25 °C (est) |
Cosmetic Information
| CosIng | cosmetic data |
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 (for surface only) |
| Recommendation for ci 27755 usage levels up to | not for fragrance use. |
| Recommendation for ci 27755 flavor usage levels up to | not for flavor use. |
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Potential Uses
Natural Occurrence
Synonyms
black no. 2
c.i. 27755
C.I. food black 2
food black 2
2,7-
naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-((7-sulfo-4-((sulfophenyl)azo)-1-naphthalenyl- )azo)-, tetrasodium salt
tetrasodium 6-amino-4-hydroxy-3-((7-sulfo-4-((4-sulfophenyl)azo)-1-naphthalen- yl)azo-2,7-naphthalenedisulfonate)
tetrasodium 6-amino-4-hydroxy-3-((7-sulfonato-4-((4-sulfonatophenyl)azo)-1-naphthyl)azo)naphthalene-2,7-disulfonate
tetrasodium;(3E)-6-amino-4-oxo-3-[[7-sulfinato-4-[(4-sulfonatophenyl)diazenyl]naphthalen-1-yl]hydrazinylidene]naphthalene-2,7-disulfonate
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