3,4-Dibromothiophene

Modify Date: 2026-06-30 17:47:42

3,4-Dibromothiophene Structure
3,4-Dibromothiophene structure
Common Name 3,4-Dibromothiophene
CAS Number 3141-26-2 Molecular Weight 241.93
Density 2.2±0.1 g/cm3 Boiling Point 221.5±0.0 °C at 760 mmHg
Molecular Formula C4H2Br2S Melting Point 4-5 °C(lit.)
MSDS Chinese USA Flash Point 90.4±21.8 °C
Symbol GHS07
GHS07
Signal Word Warning

 Use of 3,4-Dibromothiophene


3,4-Dibromothiophene is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

 Names

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

Name 3,4-Dibromothiophene
Synonym More Synonyms

 3,4-Dibromothiophene Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description 3,4-Dibromothiophene is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Related Catalog

 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 2.2±0.1 g/cm3
Boiling Point 221.5±0.0 °C at 760 mmHg
Melting Point 4-5 °C(lit.)
Molecular Formula C4H2Br2S
Molecular Weight 241.93
Flash Point 90.4±21.8 °C
Exact Mass 239.824387
PSA 28.24000
LogP 3.21
Vapour Pressure 0.2±0.4 mmHg at 25°C
Index of Refraction 1.638
InChIKey VGKLVWTVCUDISO-UHFFFAOYSA-N
SMILES Brc1cscc1Br

 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 GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xn:Harmful
Risk Phrases R20/21/22;R36/37/38
Safety Phrases S26-S36-S36/37/39
RIDADR NONH for all modes of transport
WGK Germany 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 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles3

More Articles

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

An Alternative Synthysis of Thieno [3, 4-b] Thiophene. Brandsma L and Verkruijsse HD.

Synth. Commun. 20(15) , 2275-77, (1990)

Synthesis and structure of alkyl-substituted fused thiophenes containing up to seven rings.

J. Org. Chem. 72 , 442, (2007)

We have established a series of synthetic methods to synthesize alkyl-substituted fused thiophenes with degrees of fusion from two to seven rings. These fused thiophene ring compounds have very good s...

Double photoionization of thiophene and bromine-substituted thiophenes.

J. Chem. Phys. 129(23) , 234303, (2008)

We report the double photoionization spectra of thiophene, 3-bromothiophene, and 3,4-dibromothiophene using a coincidence spectroscopy technique based on electron time-of-flight measurements. Spectra ...

 3,4-DibromothiopheneBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: NCI human tumor cell line growth inhibition assay. Data for the MCF7 Non-Small Cell L...
Source: DTP/NCI
Target: N/A
External Id: MCF7_OneDose
Name: NCI human tumor cell line growth inhibition assay. Data for the IGROV1 Non-Small Cell...
Source: DTP/NCI
Target: N/A
External Id: IGROV1_OneDose
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 Synonyms

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

3,4-Dibromothiophene
Thiophene,4-dibromo
Thiophene,3,4-dibromo
3,4-dibromo-thiophene
3,4-bromothiophene
3,4-Dibromthiophen
EINECS 221-546-8
MFCD00005465

 3,4-Dibromothiophene | FAQ

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

Q: What is the molecular formula of 3,4-Dibromothiophene?
A: Molecular formula of 3,4-Dibromothiophene is C4H2Br2S.
Q: What is the LogP of 3,4-Dibromothiophene?
A: LogP of 3,4-Dibromothiophene is 3.21.
Q: What English synonyms does 3,4-Dibromothiophene have?
A: English synonyms of 3,4-Dibromothiophene: 3,4-Dibromothiophene, Thiophene,4-dibromo, Thiophene,3,4-dibromo, 3,4-dibromo-thiophene, 3,4-bromothiophene, 3,4-Dibromthiophen, EINECS 221-546-8, MFCD00005465.
Q: What is the molecular weight of 3,4-Dibromothiophene?
A: Molecular weight of 3,4-Dibromothiophene is 241.93.
Q: What is the English name of 3,4-Dibromothiophene?
A: The English name of 3,4-Dibromothiophene is 3,4-Dibromothiophene.
Q: What is the melting point of 3,4-Dibromothiophene?
A: Melting point of 3,4-Dibromothiophene is 4-5 °C(lit.).
Q: What is the SMILES notation of 3,4-Dibromothiophene?
A: SMILES notation of 3,4-Dibromothiophene is Brc1cscc1Br.
Q: What is the InChIKey of 3,4-Dibromothiophene?
A: InChIKey of 3,4-Dibromothiophene is VGKLVWTVCUDISO-UHFFFAOYSA-N.
Q: What is the safety information for 3,4-Dibromothiophene?
A: Safety information for 3,4-Dibromothiophene: S26-S36-S36/37/39.
Q: What are the uses of 3,4-Dibromothiophene?
A: Main uses of 3,4-Dibromothiophene: 3,4-Dibromothiophene is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

 3,4-Dibromothiophenefactory

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.
Zhongshan Xingrui Chemical Co. , Ltd.
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