2-Naphthalenecarboxylic acid, 4-[2-(5-chloro-4-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-, sodium salt (1:2)
CAS Registry Number®
3564-21-4
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CAS Name
2-Naphthalenecarboxylic acid, 4-[2-(5-chloro-4-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-, sodium salt (1:2)Molecular Formula
C18H13ClN2O6S.2NaCite this Page
2-Naphthalenecarboxylic acid, 4-[2-(5-chloro-4-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-, sodium salt (1:2). CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?cas_rn=3564-21-4 (retrieved ) (CAS RN: 3564-21-4). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Other Names and Identifiers
InChI
InChI=1S/C18H13ClN2O6S.2Na/c1-9-6-15(28(25,26)27)14(8-13(9)19)20-21-16-11-5-3-2-4-10(11)7-12(17(16)22)18(23)24;;/h2-8,22H,1H3,(H,23,24)(H,25,26,27);;
InChIKey
InChIKey=ODQAEDIFARQZNT-UHFFFAOYSA-N
SMILES
N(=NC1=C(S(=O)(=O)O)C=C(C)C(Cl)=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(Cl)=C(C=C3S(=O)(=O)O)C)=C1O
Other Names for this Substance
- 2-Naphthalenecarboxylic acid, 4-[2-(5-chloro-4-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-, sodium salt (1:2)
- C.I. Pigment Red 48, disodium salt
- 2-Naphthalenecarboxylic acid, 4-[(5-chloro-4-methyl-2-sulfophenyl)azo]-3-hydroxy-, disodium salt
- C.I. Pigment Red 48
- C.I. 15865
Deleted or Replaced CAS Registry Numbers
100551-99-3, 11108-04-6, 12238-26-5
