2,7-naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-((7-sulfo-4-((sulfophenyl)azo)-1-naphthalenyl- )azo)-, tetrasodium salt

CAS: 2118-39-0 C26 H15 N5 Na4 O12 S4 MW: 809.65002712

Identification

Nameci 27755
CAS Number2118-39-0
EINECS218-326-9
FDA UNIISearch
Molecular FormulaC26 H15 N5 Na4 O12 S4
Molecular Weight809.65002712

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

CosIngcosmetic data

No sensory data available

Safety Information

Oral/Parenteral ToxicityNot determined
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categorycoloring agents (for surface only)
Recommendation for ci 27755 usage levels up tonot for fragrance use.
Recommendation for ci 27755 flavor usage levels up tonot for flavor use.

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Potential Uses

cosmetic colorants

Natural Occurrence

not found in nature

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 Try the PubMed Search.