2-bromo-1-(5-chlorothiophen-2-yl)ethanone

Modify Date: 2026-08-03 18:35:03

2-bromo-1-(5-chlorothiophen-2-yl)ethanone Structure
2-bromo-1-(5-chlorothiophen-2-yl)ethanone structure
Common Name 2-bromo-1-(5-chlorothiophen-2-yl)ethanone
CAS Number 57731-17-6 Molecular Weight 239.51700
Density 1.766g/cm3 Boiling Point 309.2ºC at 760mmHg
Molecular Formula C6H4BrClOS Melting Point 73-75ºC
MSDS USA Flash Point 140.8ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2-bromo-1-(5-chlorothiophen-2-yl)ethanone
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.766g/cm3
Boiling Point 309.2ºC at 760mmHg
Melting Point 73-75ºC
Molecular Formula C6H4BrClOS
Molecular Weight 239.51700
Flash Point 140.8ºC
Exact Mass 237.88500
PSA 45.31000
LogP 2.97910
Index of Refraction 1.614
InChIKey YIKFQMAUWNYCHK-UHFFFAOYSA-N
SMILES O=C(CBr)c1ccc(Cl)s1
Storage condition Keep Cold

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes C,Xn
Risk Phrases 22-36
Safety Phrases 26
HS Code 2934999090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~77%

2-bromo-1-(5-chlorothiophen-2-yl)ethanone Structure

2-bromo-1-(5-ch...

CAS#:57731-17-6

Learn More
Literature: Salonen, Laura M.; Holland, Mareike C.; Kaib, Philip S. J.; Haap, Wolfgang; Benz, Joerg; Mary, Jean-Luc; Kuster, Olivier; Schweizer, W. Bernd; Banner, David W.; Diederich, Francois Chemistry - A European Journal, 2012 , vol. 18, # 1 p. 213 - 222

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

2-bromo-1-(5-chlorothien-2-yl)ethanone
MFCD00829820
2-Bromo-1-(5-chloro-thiophen-2-yl)-ethanone
2-bromo-1-(5-chloro-2-thienyl)ethanone
2-(bromoacetyl)-5-chlorothiophene

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the safety information for 2-bromo-1-(5-chlorothiophen-2-yl)ethanone?
A: Safety information for 2-bromo-1-(5-chlorothiophen-2-yl)ethanone: 26.
Q: What is the LogP of 2-bromo-1-(5-chlorothiophen-2-yl)ethanone?
A: LogP of 2-bromo-1-(5-chlorothiophen-2-yl)ethanone is 2.97910.
Q: What is the molecular formula of 2-bromo-1-(5-chlorothiophen-2-yl)ethanone?
A: Molecular formula of 2-bromo-1-(5-chlorothiophen-2-yl)ethanone is C6H4BrClOS.
Q: What English synonyms does 2-bromo-1-(5-chlorothiophen-2-yl)ethanone have?
A: English synonyms of 2-bromo-1-(5-chlorothiophen-2-yl)ethanone: 2-bromo-1-(5-chlorothien-2-yl)ethanone, MFCD00829820, 2-Bromo-1-(5-chloro-thiophen-2-yl)-ethanone, 2-bromo-1-(5-chloro-2-thienyl)ethanone, 2-(bromoacetyl)-5-chlorothiophene.
Q: What is the CAS number of 2-bromo-1-(5-chlorothiophen-2-yl)ethanone?
A: CAS number of 2-bromo-1-(5-chlorothiophen-2-yl)ethanone is 57731-17-6.
Q: What is the melting point of 2-bromo-1-(5-chlorothiophen-2-yl)ethanone?
A: Melting point of 2-bromo-1-(5-chlorothiophen-2-yl)ethanone is 73-75ºC.
Q: What is the InChIKey of 2-bromo-1-(5-chlorothiophen-2-yl)ethanone?
A: InChIKey of 2-bromo-1-(5-chlorothiophen-2-yl)ethanone is YIKFQMAUWNYCHK-UHFFFAOYSA-N.
Q: What are the storage conditions for 2-bromo-1-(5-chlorothiophen-2-yl)ethanone?
A: Storage conditions for 2-bromo-1-(5-chlorothiophen-2-yl)ethanone: Keep Cold.
Q: What is the SMILES notation of 2-bromo-1-(5-chlorothiophen-2-yl)ethanone?
A: SMILES notation of 2-bromo-1-(5-chlorothiophen-2-yl)ethanone is O=C(CBr)c1ccc(Cl)s1.
Q: What is the molecular weight of 2-bromo-1-(5-chlorothiophen-2-yl)ethanone?
A: Molecular weight of 2-bromo-1-(5-chlorothiophen-2-yl)ethanone is 239.51700.

 factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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