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(2Z)-4,7-dichloro-2-(4,7-dichloro-3-oxo-1-benzothiophen-2-ylidene)-1-benzothiophen-3-one

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Origin: China

Cas No: 14295-43-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Property

CAS No.: 14295-43-3 Formula: C16H4Cl4O2S2 Molecular Weight: 434.14400

Basic Info

Chemical Name	(2Z)-4,7-dichloro-2-(4,7-dichloro-3-oxo-1-benzothiophen-2-ylidene)-1-benzothiophen-3-one
Synonyms	EINECS 238-222-7; C.I. Pigment Red 88; 4,4',7,7'-Tetrachlorothioindigo; Cromophtal Bordeaux RS; Permanent Red Violet MR; Cromophtal Bordeaux RN; Cromophtal Bordeaux R; Pv Red Violet MR;
CAS No.	14295-43-3
Molecular Formula	C16H4Cl4O2S2
Molecular Weight	434.14400
PSA	84.74000
LogP	6.78880

Properties

Density	1.81g/cm3
Boiling Point	526.4ºC at 760mmHg
Flash Point	272.2ºC
Refractive Index	1.788
Vapor Pressure	3.58E-11mmHg at 25°C

Safety Info

HS Code	2934999090

Synthesis Route

2,5-Dichlorophenylthioglycolic Acid→(2Z)-4,7-dichloro-2-(4,7-dichloro-3-oxo-1-benzothiophen-2-ylidene)-1-benzothiophen-3-one
1,4-dichlorobenzene→(2Z)-4,7-dichloro-2-(4,7-dichloro-3-oxo-1-benzothiophen-2-ylidene)-1-benzothiophen-3-one
2,5-DICHLOROTHIOPHENOL→(2Z)-4,7-dichloro-2-(4,7-dichloro-3-oxo-1-benzothiophen-2-ylidene)-1-benzothiophen-3-one

Precursor

2,5-DICHLOROTHIOPHENOL
2,5-DICHLOROBENZENESULFONYL CHLORIDE
2,5-Dichlorophenylthioglycolic Acid
1,4-dichlorobenzene

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