Pigment Red 57
CAS Registry Number®
5858-81-1
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CAS Name
Pigment Red 57Molecular Formula
C18H14N2O6S.2NaCite this Page
Pigment Red 57. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?cas_rn=5858-81-1 (retrieved ) (CAS RN: 5858-81-1). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Other Names and Identifiers
InChI
InChI=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);;
InChIKey
InChIKey=JWLLQBRJUSHJFJ-UHFFFAOYSA-N
SMILES
N(=NC1=C(S(=O)(=O)O)C=C(C)C=C1)C=2C3=C(C=C(C(O)=O)C2O)C=CC=C3.[Na]
Canonical SMILES
[Na].O=C(O)C1=CC=2C=CC=CC2C(N=NC3=CC=C(C=C3S(=O)(=O)O)C)=C1O
Other Names for this Substance
- 2-Naphthalenecarboxylic acid, 3-hydroxy-4-[2-(4-methyl-2-sulfophenyl)diazenyl]-, sodium salt (1:2)
- C.I. Pigment Red 57, disodium salt
- C.I. Pigment Red 57
- 2-Naphthalenecarboxylic acid, 3-hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-, disodium salt
- 11070 Red
Deleted or Replaced CAS Registry Numbers
39473-11-5, 72432-82-7, 83711-69-7
