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Reference substances

Reference substances

Currently viewing:
IUPAC name:
disodium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate

Inventory

EC number:
227-497-9
EC name:
Disodium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate
CAS number:
5858-81-1
CAS number:
5858-81-1
Synonyms
Names:
2-Naphthalenecarboxylic acid, 3-hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-, disodium salt
Identifier:
IUPAC name
disodium 3-hydroxy-4-[(E)-2-(4-methyl-2-sulfophenyl)diazen-1-yl]naphthalene-2-carboxylate
Identifier:
IUPAC name
disodium 4-[(E)-2-(4-methyl-2-sulfophenyl)diazen-1-yl]-3-oxidonaphthalene-2-carboxylate
Identifier:
Colour Index
CI 15850
Identifier:
common name
2-Naphthalenecarboxylic acid, 3-hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-, disodium salt
Identifier:
common name
D&C Red 6
Identifier:
common name
Pigment Red 57
Identifier:
other: InChl
1S/C18H14N2O6S.2Na/c1-10-6-7-14(15(8-10)27(24,25)26)19-20-16-12-5-3-2-4-11(12)9-13(17(16)21)18(22)23;;/h2-9,21H,1H3,(H,22,23)(H,24,25,26);;/q;2*+1/p-2/b20-19+;;
Identifier:
other: Molecular formula
C18H14N2O6S.2Na
Identifier:
other: SMILES notation
c12c(c(c(C(=O)[O-])cc1cccc2)O)\N=N\c1c(cc(C)cc1)S(=O)(=O)[O-].[Na+].[Na+]
disodium 3-hydroxy-4-[(4-methyl-2-sulfonatophenyl)diazenyl]-2-naphthoate

Molecular and structural information

Molecular formula:
C18H12N2Na2O6S
Molecular weight:
430.342
SMILES notation:
[Na+].[Na+].[O-]S(=O)(=O)c3cc(C)ccc3N=Nc1c2ccccc2cc(C([O-])=O)c1O
InChl:
InChI=1/C18H14N2O6S.2Na/c1-10-6-7-14(15(8-10)27(24,25)26)19-20-16-12-5-3-2-4-11(12)9-13(17(16)21)18(22)23;;/h2-9,21H,1H3,(H,22,23)(H,24,25,26);;/q;2*+1/p-2
Structural formula:
Chemical structure

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