5-chloro-2-(5-chloro-4,7-dimethyl-3-oxobenzo[b]thien-2(3H)-ylidene)-4,7-dimethylbenzo[b]thiophene-3(2H)-one

Modify Date: 2025-08-28 15:25:09

5-chloro-2-(5-chloro-4,7-dimethyl-3-oxobenzo[b]thien-2(3H)-ylidene)-4,7-dimethylbenzo[b]thiophene-3(2H)-one Structure
5-chloro-2-(5-chloro-4,7-dimethyl-3-oxobenzo[b]thien-2(3H)-ylidene)-4,7-dimethylbenzo[b]thiophene-3(2H)-one structure
Common Name 5-chloro-2-(5-chloro-4,7-dimethyl-3-oxobenzo[b]thien-2(3H)-ylidene)-4,7-dimethylbenzo[b]thiophene-3(2H)-one
CAS Number 2379-75-1 Molecular Weight 421.36000
Density 1.499 Boiling Point 551.8ºC at 760 mmHg
Molecular Formula C20H14Cl2O2S2 Melting Point N/A
MSDS N/A Flash Point 287.5ºC

 Names

Name Vat Voilet 3
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.499
Boiling Point 551.8ºC at 760 mmHg
Molecular Formula C20H14Cl2O2S2
Molecular Weight 421.36000
Flash Point 287.5ºC
Exact Mass 419.98100
PSA 84.74000
LogP 6.71560
Vapour Pressure 3.19E-12mmHg at 25°C
Index of Refraction 1.719

 Safety Information

HS Code 2934999090

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

4.4'.7.7'-Tetramethyl-5.5'-dichlorthioindigo
c.i. pigment violet 38
Arlanon Magenta B
C.I. Vat Violet 3
vat violet 3
Navidon Magenta B.
Anthramar Magenta B
Vat Red Violet RRN
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