Colour Index Database

Colour Index

  • Name   CAS No.   C.I. No.
Name: Acid blue 158
CAS: 6370-08-7
Synonyms C.I. Acid Blue 158, disodium salt; C.I. Acid Blue 158-14880; Acid blue 158; chromium(3+) sodium hydroxide 3-oxido-4-[(Z)-(1-oxido-8-sulfonatonaphthalen-2-yl)diazenyl]naphthalene-1-sulfonate (1:2:1:1); ethyl 4-(4-methoxynaphthalen-1-yl)-6-methyl-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
Molecular Formula C19H20N2O3S
Molecular Weight 356.4387
InChI InChI=1/C19H20N2O3S/c1-4-24-18(22)16-11(2)20-19(25)21-17(16)14-9-10-15(23-3)13-8-6-5-7-12(13)14/h5-10,17H,4H2,1-3H3,(H2,20,21,25)
CAS Registry Number 6370-08-7
EINECS 228-875-6
Molecular Structure 6370-08-7 Acid Blue 158
Density 1.29g/cm3
Boiling point 508.4°C at 760 mmHg
Refractive index 1.658
Flash point 261.3°C
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