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Reference substances

Reference substances

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General information

Inventory

EC number:
218-326-9
EC name:
Tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate
CAS number:
2118-39-0

No inventory information available

Reference substance information

IUPAC name:
Tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate
Synonyms
Names:
Identifier:
Colour Index
CI 27755
Identifier:
common name
CI Food Black 2

CAS information

CAS number:
2118-39-0

Molecular and structural information

Molecular formula:
C26H15N5Na4O12S4
Molecular weight:
809.651
SMILES notation:
c1(S(=O)(=O)[O-])c(\N=N\c2c3c(ccc(S(=O)[O-])c3)c(\N=N\c3ccc(S(=O)(=O)[O-])cc3)cc2)c(O)c2c(c1)cc(S(=O)(=O)[O-])c(N)c2.[Na+].[Na+].[Na+].[Na+]
InChl:
SMBAGGHBUKLZPQ-IDOXDSHBSA-J
Structural formula:
Chemical structure