Registration Dossier

Reference substances

Reference substances

Currently viewing:

General information

Inventory

EC number:
222-656-9
EC name:
Disodium 5-amino-4-hydroxy-3-(phenylazo)naphthalene-2,7-disulphonate
CAS number:
3567-66-6

No inventory information available

Reference substance information

IUPAC name:
disodium 5-amino-4-hydroxy-3-(phenyldiazenyl)naphthalene-2,7-disulfonate
Synonyms
Names:
Identifier:
Colour Index
C.I. 17200
Identifier:
common name
D & C Red no. 33

CAS information

CAS number:
3567-66-6

Molecular and structural information

Molecular formula:
C16H13N3O7S2.2Na
Molecular weight:
467.384
SMILES notation:
[Na+].[Na+].[O-]S(=O)(=O)c1cc(N)c3c(c1)cc(c(N=Nc2ccccc2)c3O)S([O-])(=O)=O
InChl:
1/C16H13N3O7S2.2Na/c17-12-8-11(27(21,22)23)6-9-7-13(28(24,25)26)15(16(20)14(9)12)19-18-10-4-2-1-3-5-10;;/h1-8,20H,17H2,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2
Structural formula:
Chemical structure