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benzo[b]thiophene-2,3-dione

benzo[b]thiophene-2,3-dione Structure
benzo[b]thiophene-2,3-dione structure
CAS No.
493-57-2
Chemical Name:
benzo[b]thiophene-2,3-dione
Synonyms
NSC 114478;Thianaphthenequinone;2,3-Thionaphthenequinone;benzothiophene-2,3-quinone;Benzo[b]thiophen-2,3-dione;2,3-Benzo[b]thiophenedione;benzo[b]thiophene-2,3-dione;Benzo[b]thiophene-2,3-dione;2,3-Dioxo-2,3-dihydrothionaphthene;Benzo[b]thiophene-2,3-dione >=97% (GC)
CBNumber:
CB3967650
Molecular Formula:
C8H4O2S
Molecular Weight:
164.18
MDL Number:
MFCD00463402
MOL File:
493-57-2.mol
MSDS File:
SDS
Last updated:2026-05-28 02:52:41
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benzo[b]thiophene-2,3-dione Properties

Melting point 119-121°C
Boiling point 261.64°C (rough estimate)
Density 1.3633 (rough estimate)
refractive index 1.5500 (estimate)
storage temp. Store at room temperature
solubility Chloroform (Slightly), DMSO (Slightly, Sonicated), Methanol (Slightly)
form Solid
color Light Orange to Dark Red
BRN 118077
InChI 1S/C8H4O2S/c9-7-5-3-1-2-4-6(5)11-8(7)10/h1-4H
InChIKey MHESOLAAORBNPM-UHFFFAOYSA-N
SMILES O=C1Sc2ccccc2C1=O
UNSPSC Code 12352100

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)Exclamation Mark (GHS07)
GHS05,GHS07
Signal word  Danger
Hazard statements  H317-H318
Precautionary statements  P280-P305+P351+P338
Hazard Codes  Xn
Risk Statements  41-43-52
Safety Statements  26-36/37-39
WGK Germany  3
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Dam. 1
Skin Sens. 1

benzo[b]thiophene-2,3-dione price More Price(18)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
aablocks AA0070L7 Benzo[b]thiophene-2,3-dione 95% 493-57-2 100mg $35 2026-05-28 Buy
aablocks AA0070L7 Benzo[b]thiophene-2,3-dione 95% 493-57-2 250mg $60 2026-05-28 Buy
aablocks AA0070L7 Benzo[b]thiophene-2,3-dione 95% 493-57-2 1g $158 2026-05-28 Buy
ACHEMBLOCK X195319 Benzo[b]thiophene-2,3-dione 97.00% 493-57-2 1G $145 2026-05-27 Buy
ACHEMBLOCK X195319 Benzo[b]thiophene-2,3-dione 97.00% 493-57-2 5G $595 2026-05-27 Buy
Product number Packaging Price Buy
AA0070L7 100mg $35 Buy
AA0070L7 250mg $60 Buy
AA0070L7 1g $158 Buy
X195319 1G $145 Buy
X195319 5G $595 Buy

benzo[b]thiophene-2,3-dione Chemical Properties,Uses,Production

Chemical Properties

benzo[b]thiophene-2,3-dione is Orange Solid

Uses

benzo[b]thiophene-2,3-dione is a useful synthetic intermediate for the preparation of novel antiinflammatory agents.

benzo[b]thiophene-2,3-dione synthesis

108-98-5
493-57-2
Synthesis of benzo[b]thiophene-2,3-dione from Thiophenol

benzo[b]thiophene-2,3-dione Preparation Products And Raw materials

Raw materials

Ethanethioic acid, 2-chloro-2-oxo-, S-phenyl ester (2E)-Δ2,2'-Bi[benzo[b]thiophene-3(2H)-one] Thiophenol Oxalyl chloride

Preparation Products

Ciba Violet 6R 3-Diazobenzo[b]thiophen-2(3H)-one

benzo[b]thiophene-2,3-dione Suppliers

Global( 47)Suppliers
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Chemsky（shanghai）International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
Sigma-Aldrich 021-61415566 800-8193336 orderCN@merckgroup.com China 51389 80
Zhengzhou Alfachem Co., Ltd. 0371-53765687 18937137882 3969243885@qq.com China 7734 55
Nanjing Nohon Biological Technology Co., Ltd. 025-85767923 18512596075; sales@nuoxibio.com China 974 55
Shenzhen SUNGENING Bio-Medical Co., Ltd. 0755-28967200 13631290199 wxf@sungening.com China 9609 60
Wuhan EEChem Technologies Co., Ltd 0711-3617768 13308685235 lihongcai4360@sina.com China 1542 55
Aikon International Limited 025-58859352 13913916777 dt3@aikonchem.com China 15490 58
Tianjin heowns Biochemical Technology Co., Ltd. 400-6387771-6039 18920764717 sales@heowns.com China 24636 60
Shenzhen Polymeri Biochemical Technology Co., Ltd. +86-400-002-6226 sales@rrkchem.com China 57336 58
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Chemsky（shanghai）International Co.,Ltd. 50
Sigma-Aldrich 80
Zhengzhou Alfachem Co., Ltd. 55
Nanjing Nohon Biological Technology Co., Ltd. 55
Shenzhen SUNGENING Bio-Medical Co., Ltd. 60
Wuhan EEChem Technologies Co., Ltd 55
Aikon International Limited 58
Tianjin heowns Biochemical Technology Co., Ltd. 60
Shenzhen Polymeri Biochemical Technology Co., Ltd. 58

View Lastest Price from benzo[b]thiophene-2,3-dione manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
benzo[b]thiophene-2,3-dione pictures 2026-08-07 benzo[b]thiophene-2,3-dione
493-57-2
 $18.00-30.00 1KG 99% 500KG Shaanxi Dideu Medichem Co. Ltd

benzo[b]thiophene-2,3-dione Spectrum

benzo[b]thiophene-2,3-dione(493-57-2)1HNMR

493-57-2(benzo[b]thiophene-2,3-dione)Related Search:

Dibenzofuran 1-Benzothiophen-3(2H)-one Benzo[b]thiophene-2,3-dione, 5-methyl- Benzo[b]thiophene-2,3-dione, 5-chloro- Benzo[b]thiophene-2,3-dione, 6-Methoxy-
2,3-Dihydrobenzo[b]thiophene-2-one

1of2

2,3-Dioxo-2,3-dihydrothionaphthene 2,3-Thionaphthenequinone NSC 114478 benzo[b]thiophene-2,3-dione 2,3-Benzo[b]thiophenedione 2,3-Dihydro-1-benzothiophene-2,3-dione Thianaphthenequinone benzothiophene-2,3-quinone Benzo[b]thiophene-2,3-dione >=97% (GC) Benzo[b]thiophen-2,3-dione Benzo[b]thiophene-2,3-dione 493-57-2 Intermediates Intermediates & Fine Chemicals Pharmaceuticals Sulfur & Selenium Compounds