2-Chlorothiophene

Modify Date: 2026-06-30 11:34:09

2-Chlorothiophene Structure
2-Chlorothiophene structure
Common Name 2-Chlorothiophene
CAS Number 96-43-5 Molecular Weight 118.585
Density 1.3±0.1 g/cm3 Boiling Point 128.3±0.0 °C at 760 mmHg
Molecular Formula C4H3ClS Melting Point -71.9 °C
MSDS Chinese USA Flash Point 22.8±0.0 °C
Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Warning

 Names

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

Name 2-Chlorothiophene
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 1.3±0.1 g/cm3
Boiling Point 128.3±0.0 °C at 760 mmHg
Melting Point -71.9 °C
Molecular Formula C4H3ClS
Molecular Weight 118.585
Flash Point 22.8±0.0 °C
Exact Mass 117.964401
PSA 28.24000
LogP 2.54
Vapour Pressure 13.0±0.2 mmHg at 25°C
Index of Refraction 1.564
Storage condition 2-8°C
Water Solubility INSOLUBLE

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

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

Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Warning
Hazard Statements H226-H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xi:Irritant;
Risk Phrases R10;R36/37/38
Safety Phrases S16-S26-S36-S45-S38-S36/37/39-S28B
RIDADR UN 1993 3/PG 3
WGK Germany 3
RTECS XM8575000
Packaging Group II
Hazard Class 3
HS Code 29349990

 Synthetic Route

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

 Customs

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

HS Code 29349990

 Articles2

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Photodissociation dynamics of halogenated thiophenes at 235 nm: a resonance enhanced multiphoton ionization-time-of-flight (REMPI-TOF) study.

J. Phys. Chem. A 116(44) , 10656-67, (2012)

The photodissociation dynamics of halogen-substituted thiophenes, namely, 2-chlorothiophene and 2-bromo-5-chlorothiophene, has been studied in a supersonic molecular beam around 235 nm, using resonanc...

Mechanistic studies on the Pd-catalyzed direct C-H arylation of 2-substituted thiophene derivatives with arylpalladium bipyridyl complexes.

Chem. Asian J. 7(6) , 1256-60, (2012)

Direct C-H phenylation of 2-ethylthiophene and 2-chlorothiophene with PhPdI(bipy) complex to form either the corresponding 4-phenyl or 5-phenylthiophene derivative is studied under stoichiometric cond...

 Synonyms

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

ChloroThiophene
thien-2-yl chloride
EINECS 202-505-3
2-Chloro thiophene
2,3,4,5-Chlorothiophene
2-thienyl chloride
2-Chlorothiphene
2-thiophenyl chloride
2-Chlorothiophene
THIENYL CHLORIDE
2-chloro-thiophene
2-Chlorothiophenato
2-chloro-thiophen
thiophene,2-chloro
MFCD00005421

 2-Chlorothiophene | FAQ

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

Q: What is the molecular weight of 2-Chlorothiophene?
A: Molecular weight of 2-Chlorothiophene is 118.585.
Q: What is the boiling point of 2-Chlorothiophene?
A: Boiling point of 2-Chlorothiophene is 128.3±0.0 °C at 760 mmHg.
Q: What is the English name of 2-Chlorothiophene?
A: The English name of 2-Chlorothiophene is 2-Chlorothiophene.
Q: What is the melting point of 2-Chlorothiophene?
A: Melting point of 2-Chlorothiophene is -71.9 °C.
Q: What is the safety information for 2-Chlorothiophene?
A: Safety information for 2-Chlorothiophene: S16-S26-S36-S45-S38-S36/37/39-S28B.
Q: What is the molecular formula of 2-Chlorothiophene?
A: Molecular formula of 2-Chlorothiophene is C4H3ClS.
Q: What are the storage conditions for 2-Chlorothiophene?
A: Storage conditions for 2-Chlorothiophene: 2-8°C.
Q: What is the LogP of 2-Chlorothiophene?
A: LogP of 2-Chlorothiophene is 2.54.
Q: What is the CAS number of 2-Chlorothiophene?
A: CAS number of 2-Chlorothiophene is 96-43-5.
Q: What are the downstream products of 2-Chlorothiophene?
A: Related downstream products(CAS) of 2-Chlorothiophene: 4411-80-7;1062177-19-8;527-72-0;5380-42-7;32427-77-3;4075-59-6;3172-52-9;34036-28-7;42518-98-9;32364-30-0.

 2-Chlorothiophenefactory

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.
Henan Tianfu Chemical Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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