522-75-8|Benzo[b]thiophen-3(2H)-one,2-(3-oxobenzo[b]thien-2(3H)-ylidene)-Products Supply

Benzo[b]thiophen-3(2H)-one,2-(3-oxobenzo[b]thien-2(3H)-ylidene)- cas no:522-75-8

Synonyms: Thioindigo(6CI);[D2,2'(3H,3'H)-Bibenzo[b]thiophene]-3,3'-dione(7CI,8CI);Antinolo Red B;C.I. 73300;C.I. Disperse Red 364;C.I. Solvent Red242;C.I. Vat Red 41;Ciba Pink B;Disperse Red 364;Durindone Printing Red B;Durindone Red B;Durindone Red BP;Helindon Red BB;Isothioindigo;Kenawax Fluorescent Red 3BYP;Plast Red D 54;SamaronBrilliant Pink 5B;Solvent Red 242;Thioindigo Red B;Thioindigo red C;Tyrian Red A 5B;Vat Red 5B;

Identification

NameBenzo[b]thiophen-3(2H)-one,2-(3-oxobenzo[b]thien-2(3H)-ylidene)-
CAS522-75-8
SynonymsThioindigo(6CI);[D2,2'(3H,3'H)-Bibenzo[b]thiophene]-3,3'-dione(7CI,8CI);Antinolo Red B;C.I. 73300;C.I. Disperse Red 364;C.I. Solvent Red242;C.I. Vat Red 41;Ciba Pink B;Disperse Red 364;Durindone Printing Red B;Durindone Red B;Durindone Red BP;Helindon Red BB;Isothioindigo;Kenawax Fluorescent Red 3BYP;Plast Red D 54;SamaronBrilliant Pink 5B;Solvent Red 242;Thioindigo Red B;Thioindigo red C;Tyrian Red A 5B;Vat Red 5B;
EINECS(EC#)208-336-1
Molecular FormulaC₁₆H₈O₂S₂
Molecular Weight296.36

Chemical Properties

refractive index1.797

Safety Data

Risk R36/37/38
Safety

Mildly toxic by intraperitoneal route. When heated to decomposition it emits toxic vapors of SO_x.
Safety information of 4,4'-Diisothioindigo (522-75-8):
Risk Statements
36/37/38 Irritating to eyes, respiratory system and skin
Safety Statements
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36 Wear suitable protective clothing
RTECS DT4330000

Toxicity

ipr-rat LD50:4170 mg/kg

GISAAA Gigiena i Sanitariya. 50 (8)(1985),91.

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Benzo[b]thiophen-3(2H)-one,2-(3-oxobenzo[b]thien-2(3H)-ylidene)- cas no:522-75-8

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