Colour Index Database

Colour Index

  • Name   CAS No.   C.I. No.
Name: Thioindigo
CAS: 522-75-8
C.I. No.: C.I. 73300
Synonyms C.I. 73300; C.I. Vat Red 41; Thioindigo; Vat Red 41; C.I. Disperse Red 364; C.I. Solvent Red 242; 2-(3-Oxobenzo[b]thien-2(3H)-ylidene)-benzo[b]thiophene-3(2H)-one; (2Z)-3H,3'H-2,2'-bi-1-benzothiophene-3,3'-dione; (2E)-3H,3'H-2,2'-bi-1-benzothiophene-3,3'-dione
Molecular Formula C16H8O2S2
Molecular Weight 296.3635
InChI InChI=1/C16H8O2S2/c17-13-9-5-1-3-7-11(9)19-15(13)16-14(18)10-6-2-4-8-12(10)20-16/h1-8H/b16-15+
CAS Registry Number 522-75-8
EINECS 208-336-1
Molecular Structure 522-75-8 Thioindigo
Density 1.544g/cm3
Boiling point 409.2°C at 760 mmHg
Refractive index 1.797
Flash point 177°C
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