2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[[2-methoxy-5-methyl-4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]azo]-8-[[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, tetrasodium salt

Reference substances

IUPAC name:

disodium 6-hydroxy-5-[(2-methoxy-3-methyl-4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate

Inventory

EC number:

247-368-0

EC name:

Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate

CAS number:

25956-17-6

CAS number:

25956-17-6

Synonyms

Names:

Identifier:

Colour Index

C. I. 16035

Identifier:

common name

Allura Red AC

Identifier:

common name

FD & C Red NO. 40

Molecular and structural information

Molecular formula:

C18H16N2O8S2.2Na

Molecular weight:

496.427

SMILES notation:

c12c(cc(cc2)S(=O)(=O)[O-])ccc(c1/N=N/c1c(cc(c(c1)C)S(=O)(=O)[O-])OC)O.[Na+].[Na+]

InChl:

1S/C18H16N2O8S2.2Na/c1-10-7-14(16(28-2)9-17(10)30(25,26)27)19-20-18-13-5-4-12(29(22,23)24)8-11(13)3-6-15(18)21;;/h3-9,21H,1-2H3,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2/b20-19+;;

Structural formula: