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Reference substances

Reference substances

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General information

Inventory

EC number:
222-657-4
EC name:
Disodium 4-hydroxy-3-[(4-sulphonatonaphthyl)azo]naphthalenesulphonate
CAS number:
3567-69-9

No inventory information available

Reference substance information

IUPAC name:
disodium 4-hydroxy-3-[(4-sulfonato-1-naphthyl)diazenyl]naphthalene-1-sulfonate
Synonyms
Names:
Identifier:
IUPAC name
Disodium 4-hydroxy-3-[(4-sulphonatonaphthyl)azo]naphthalene sulphonate
Identifier:
Colour Index
CI 14720
Identifier:
common name
C.I. Acid Red 14
Identifier:
common name
Carmoisine
Identifier:
other: Molecular formula
C20H14N2O7S2.2Na
Identifier:
other: SMILES notation
c12c(c(\N=N/c3c(c4c(cccc4)c(c3)S(=O)(=O)[O-])O)ccc1S(=O)(=O)[O-])cccc2.[Na+].[Na+]

CAS information

CAS number:
3567-69-9

Molecular and structural information

Molecular formula:
C20H12N2Na2O7S2
Molecular weight:
502.423
SMILES notation:
[Na+].[Na+].[O-][S](=O)(=O)c1ccc(N\N=C\2C=C(c3ccccc3C2=O)[S]([O-])(=O)=O)c4ccccc14
InChl:
1S/C20H14N2O7S2.2Na/c23-20-15-8-4-3-7-14(15)19(31(27,28)29)11-17(20)22-21-16-9-10-18(30(24,25)26)13-6-2-1-5-12(13)16;;/h1-11,23H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b22-21+;;
Structural formula:
Chemical structure