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Substance Name: Polar Yellow
RN: 6372-96-9
UNII: 8DC214E4YK
InChIKey: DXKDBQWDRGRKGC-BTKVJIOYSA-M

Molecular Formula

  • C23-H19-Cl-N4-O7-S2.Na

Molecular Weight

  • 584.991
 
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Names and Synonyms

Name of Substance

  • Polar Yellow

Synonyms

  • Acid Leather Yellow G
  • Acid Leather Yellow GR
  • Acid Yellow 40
  • Belacid Milling Yellow 2G
  • Benzyl Fast Yellow GNC
  • Benzyl Fast Yellow GR
  • Bucacid Yellow 3G
  • C.I. 18950
  • C.I. 642
  • C.I. Acid Yellow 40 (VAN)
  • C.I. Acid Yellow 40 monosodium salt
  • C.I. Acid Yellow 40, sodium salt
  • Calcocid Milling Yellow 2GC
  • EINECS 228-907-9
  • Elite Fast Yellow 2G
  • Erionyl Yellow 2G
  • Ext D and C Yellow No. 4
  • Fenafor Yellow 2G
  • Milling Fast Yellow PG
  • Milling Yellow 2GN
  • Milling Yellow 5G (VAN)
  • Milling Yellow E
  • NSC 47729
  • Peeracid Milling Yellow 2G
  • Polar Yellow
  • Polar Yellow 2G
  • Polar Yellow 5G
  • Polar Yellow 5GL
  • Sandofast Yellow N
  • Sulfonine Yellow 2G
  • UNII-8DC214E4YK
  • Vondamol Fast Yellow 2G

Systematic Names

  • Benzenesulfonic acid, 5-chloro-2-(4,5-dihydro-3-methyl-4-((4-(((4-methylphenyl)sulfonyl)oxy)phenyl)azo)-5-oxo-1H-pyrazol-1-yl)-, sodium salt
  • Benzenesulfonic acid, 5-chloro-2-(4,5-dihydro-3-methyl-4-(2-(4-(((4-methylphenyl)sulfonyl)oxy)phenyl)diazenyl)-5-oxo-1H-pyrazol-1-yl)-, sodium salt (1:1)
  • C.I. Acid Yellow 40, monosodium salt (8CI)
  • Sodium 5-chloro-2-(5-hydroxy-3-methyl-4-(4-((4-methylphenyl)sulphonyloxy)phenylazo)pyrazol-1-yl)benzenesulphonate

Registry Numbers

CAS Registry Number

  • 6372-96-9

FDA UNII

  • 8DC214E4YK

Other Registry Numbers

  • 130-38-1
  • 88529-27-5

System Generated Number

  • 0006372969

Molecular Formulas

Molecular Formula

  • C23-H19-Cl-N4-O7-S2.Na

Molecular Formula Fragments

  • C23-H19-Cl-N4-O7-S2
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C23H19ClN4O7S2.Na/c1-14-3-10-19(11-4-14)37(33,34)35-18-8-6-17(7-9-18)25-26-22-15(2)27-28(23(22)29)20-12-5-16(24)13-21(20)36(30,31)32;/h3-13,22H,1-2H3,(H,30,31,32);/q;+1/p-1/b26-25+;

InChIKey

DXKDBQWDRGRKGC-BTKVJIOYSA-M

Smiles

N1(C([C@@H](\N=N\c2ccc(OS(c3ccc(cc3)C)(=O)=O)cc2)C(=N1)C)=O)c1c(S([O-])(=O)=O)cc(cc1)Cl.[Na+]

Physical Properties

Physical Property Value Units Temp (deg C) Source
log P (octanol-water) 1.940 (none)   EST
Atmospheric OH Rate Constant 4.62E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.