2-Acetyl-4,5-dichlorothiophene

Modify Date: 2025-09-02 19:53:38

2-Acetyl-4,5-dichlorothiophene Structure
2-Acetyl-4,5-dichlorothiophene structure
Common Name 2-Acetyl-4,5-dichlorothiophene
CAS Number 57681-59-1 Molecular Weight 195.06600
Density 1.452g/cm3 Boiling Point 300.8ºC at 760mmHg
Molecular Formula C6H4Cl2OS Melting Point N/A
MSDS N/A Flash Point 135.7ºC

 Names

Name 1-(4,5-dichlorothiophen-2-yl)ethanone
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.452g/cm3
Boiling Point 300.8ºC at 760mmHg
Molecular Formula C6H4Cl2OS
Molecular Weight 195.06600
Flash Point 135.7ºC
Exact Mass 193.93600
PSA 45.31000
LogP 3.25750
Index of Refraction 1.575
InChIKey HNSUJYLVQPGASF-UHFFFAOYSA-N
SMILES CC(=O)c1cc(Cl)c(Cl)s1

 Safety Information

Risk Phrases 36/37/38
Safety Phrases 26-36/37/39
HS Code 2934999090

 Synthetic Route

~19%

2-Acetyl-4,5-dichlorothiophene Structure

2-Acetyl-4,5-di...

CAS#:57681-59-1

Literature: AMGEN, INC. Patent: WO2006/66172 A1, 2006 ; Location in patent: Page/Page column 33-34 ; WO 2006/066172 A1

~93%

2-Acetyl-4,5-dichlorothiophene Structure

2-Acetyl-4,5-di...

CAS#:57681-59-1

Literature: Stanetty, Peter; Puschautz, Erhard; Friedbacher, Gernot Monatshefte fuer Chemie, 1989 , vol. 120, p. 53 - 63

~%

2-Acetyl-4,5-dichlorothiophene Structure

2-Acetyl-4,5-di...

CAS#:57681-59-1

Literature: Justus Liebigs Annalen der Chemie, , vol. 532, p. 250,279

 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

1-(4,5-Dichlor-2-thienyl)-ethanon
1-(4,5-dichloro-[2]thienyl)-ethanone
Ethanone,1-(4,5-dichloro-2-thienyl)
2-Acetyl-4.5-dichlor-thiophen
2-Acetyl-4,5-dichlorothiophene
1-(4,5-Dichlor-[2]thienyl)-aethanon
1-(4,5-dichloro-thiophen-2-yl)-ethanone
2.3-Dichlor-5-acetyl-thiophen
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