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Substance Name: 2-Naphthalenecarboxylic acid, 4-(2-(4-chloro-5-ethyl-2-sulfophenyl)diazenyl)-3-hydroxy-, sodium salt (1:2)
RN: 32041-58-0
InChIKey: RNLHZRYWZXYPAP-ZPZFBZIMSA-L

Molecular Formula

  • C19-H15-Cl-N2-O6-S.2Na

Molecular Weight

  • 478.819
 
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Names and Synonyms

Synonyms

  • C.I. Pigment Red 200
  • EINECS 250-902-5

Systematic Names

  • 2-Naphthalenecarboxylic acid, 4-((4-chloro-5-ethyl-2-sulfophenyl)azo)-3-hydroxy-, disodium salt
  • 2-Naphthalenecarboxylic acid, 4-(2-(4-chloro-5-ethyl-2-sulfophenyl)diazenyl)-3-hydroxy-, sodium salt (1:2)
  • Disodium 4-((4-chloro-5-ethyl-2-sulphonatophenyl)azo)-3-hydroxy-2-naphthoate

Registry Numbers

CAS Registry Number

  • 32041-58-0

System Generated Number

  • 0032041580

Molecular Formulas

Molecular Formula

  • C19-H15-Cl-N2-O6-S.2Na

Molecular Formula Fragments

  • C19-H15-Cl-N2-O6-S
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C19H15ClN2O6S.2Na/c1-2-10-8-15(16(9-14(10)20)29(26,27)28)21-22-17-12-6-4-3-5-11(12)7-13(18(17)23)19(24)25;;/h3-9,23H,2H2,1H3,(H,24,25)(H,26,27,28);;/q;2*+1/p-2/b22-21+;;

InChIKey

RNLHZRYWZXYPAP-ZPZFBZIMSA-L

Smiles

[Na+].[Na+].c1c(c(c(c2ccccc12)\N=N\c1c(cc(c(c1)CC)Cl)S(=O)(=O)[O-])O)C(=O)[O-]