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2,5-Dibromothiophene

2,5-Dibromothiophene Structure
2,5-Dibromothiophene structure
CAS No.
3141-27-3
Chemical Name:
2,5-Dibromothiophene
Synonyms
Dibromothiophene;S0505;TH-2Bra;2,5 DBT;NSC 4488;2,5-Dibromthiophen;2,5-Bromo Thiophene;2,5-DIBROMOTHIOPHENE;2,5-dibromo-thiophen;2,5-Dibromlthiophene
CBNumber:
CB1694455
Molecular Formula:
C4H2Br2S
Molecular Weight:
241.93
MDL Number:
MFCD00005420
MOL File:
3141-27-3.mol
Last updated:2026-01-13 11:14:00
Product description Number Pack Size Price
2,5-Dibromothiophene 95% 108472 25g $44.31
2,5-Dibromothiophene 95% 108472 100g $102.2
2,5-Dibromothiophene >95.0%(GC) D1549 25g $35
2,5-Dibromothiophene >95.0%(GC) D1549 100g $98
2,5-Dibromothiophene D3483-20 10g $326
More product size
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2,5-Dibromothiophene Properties

Melting point -6 °C (lit.)
Boiling point 211 °C (lit.)
Density 2.147 g/mL at 25 °C (lit.)
refractive index 1.627-1.63
Flash point 99 °C
storage temp. Keep in dark place,Sealed in dry,Room Temperature
solubility Chloroform, Methanol
form Liquid
Specific Gravity 2.147
color Clear pale yellow to brown
Water Solubility practically insoluble
BRN 109899
InChI 1S/C4H2Br2S/c5-3-1-2-4(6)7-3/h1-2H
InChIKey KBVDUUXRXJTAJC-UHFFFAOYSA-N
SMILES Brc1ccc(Br)s1
CAS DataBase Reference 3141-27-3(CAS DataBase Reference)
FDA UNII F0033K8CXM
NIST Chemistry Reference Thiophene, 2,5-dibromo-(3141-27-3)
EPA Substance Registry System Thiophene, 2,5-dibromo- (3141-27-3)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  T+,Xi
Risk Statements  68-43-36/37/38-28-20/21
Safety Statements  45-36/37/39-28A-26-36
RIDADR  UN2810
WGK Germany  3
Hazard Note  Irritant
TSCA  TSCA listed
HazardClass  6.1
PackingGroup  II
HS Code  29349990
Storage Class 10 - Combustible liquids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
NFPA 704
1
4 0

2,5-Dibromothiophene price More Price(37)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 108472 2,5-Dibromothiophene 95% 3141-27-3 25g $44.31 2025-07-31 Buy
Sigma-Aldrich 108472 2,5-Dibromothiophene 95% 3141-27-3 100g $102.2 2025-07-31 Buy
TCI Chemical D1549 2,5-Dibromothiophene >95.0%(GC) 3141-27-3 25g $35 2025-07-31 Buy
TCI Chemical D1549 2,5-Dibromothiophene >95.0%(GC) 3141-27-3 100g $98 2025-07-31 Buy
Usbiological D3483-20 2,5-Dibromothiophene 3141-27-3 10g $326 2021-12-16 Buy
Product number Packaging Price Buy
108472 25g $44.31 Buy
108472 100g $102.2 Buy
D1549 25g $35 Buy
D1549 100g $98 Buy
D3483-20 10g $326 Buy

2,5-Dibromothiophene Chemical Properties,Uses,Production

Chemical Properties

Light Yellow Liquid

Uses

2,5-Dibromothiophene, is mainly used as pharmaceutical intermediate and synthesis intermediate.

Uses

2,5-Dibromothiophene was used as starting reagent for the synthesis of α,α′-didecylquater-, -quinque- and -sexi-thiophenes. It was used in the preparation of soluble α,ω-diformyl-a-oligothiophenes.

Synthesis Reference(s)

The Journal of Organic Chemistry, 58, p. 3072, 1993 DOI: 10.1021/jo00063a028
Synthesis, p. 890, 1988 DOI: 10.1055/s-1988-27740

General Description

2,5-Dibromothiophene polymerizes by debromination with magnesium catalyzed by nickel compounds to form poly(2,5- thienylene) .

References

[1] Tetrahedron Letters, 2010, vol. 51, # 1, p. 205 - 208
[2] Journal of Organic Chemistry, 1993, vol. 58, # 11, p. 3072 - 3075
[3] Synthesis, 1988, # 11, p. 890 - 891
[4] Journal of Organic Chemistry, 2018, vol. 83, # 2, p. 930 - 938
[5] Patent: KR2018/17709, 2018, A. Location in patent: Paragraph 0173; 0176-0179

2,5-Dibromothiophene synthesis

1003-09-4
3141-27-3
Synthesis of 2,5-Dibromothiophene from 2-Bromothiophene

2,5-Dibromothiophene Preparation Products And Raw materials

Raw materials

Thiophene(SIV) (9CI) Potassium tert-butoxide Chloroform 2,5-BIS(TRIMETHYLSILYL)THIOPHENE N-Bromosuccinimide
Acetic acid AKOS 92422 Thiophene, 2,5-dibromo-3-fluoro-

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Preparation Products

3,4-DIAMINOTHIOPHENE DIHYDROCHLORIDE ETHYL 5-BROMOTHIOPHENE-2-CARBOXYLATE 5,5'-Dibromo-2,2'-bithiophene 5-Bromothiophene-2-carbohydrazide 2,2':5',2''-TERTHIOPHENE
Ethyl 5-bromothiophene-2-carboxylate 2,3,5-Tribromothiophene 2-Acetyl-5-bromothiophene Thiophene-2,5-dicarbonitrile 3,5-DIBROMO-2-METHYLTHIOPHENE
2-(TRIBUTYLSTANNYL)THIOPHENE 5-Bromothiophenesulfonyl chloride 5-Bromo-2-thiophenecarboxylic acid

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2,5-Dibromothiophene Suppliers

Global( 418)Suppliers
Supplier Tel Email Country ProdList Advantage
Hebei Chuanghai Biotechnology Co,.LTD 		+86-13131129325 sales1@chuanghaibio.com China 5242 58
Capot Chemical Co.,Ltd. 		+86-（0）57185586718; +8613336195806 sales@capot.com China 29735 60
ATK CHEMICAL COMPANY LIMITED 		+undefined-21-51877795 ivan@atkchemical.com China 33024 60
Speranza Chemical Co., Ltd. 		+86-86-075521030354 +8618688942810 sophieliu@speranzachem.com China 923 55
career henan chemical co 		+86-0371-86658258 +8613203830695 sales@coreychem.com China 29834 58
Shandong chuangyingchemical Co., Ltd. 		18853181302 sale@chuangyingchem.com CHINA 5906 58
Alchem Pharmtech,Inc. 		8485655694 sales@alchempharmtech.com United States 63687 58
CONIER CHEM AND PHARMA LIMITED 		+8618523575427 sales@conier.com China 49977 58
Richest Group Ltd 		18017061086 oled@richest-group.com CHINA 5600 58
Antai Fine Chemical Technology Co.,Limited 		18503026267 info@antaichem.com CHINA 9636 58
Supplier Advantage
Hebei Chuanghai Biotechnology Co,.LTD 		58
Capot Chemical Co.,Ltd. 		60
ATK CHEMICAL COMPANY LIMITED 		60
Speranza Chemical Co., Ltd. 		55
career henan chemical co 		58
Shandong chuangyingchemical Co., Ltd. 		58
Alchem Pharmtech,Inc. 		58
CONIER CHEM AND PHARMA LIMITED 		58
Richest Group Ltd 		58
Antai Fine Chemical Technology Co.,Limited 		58

View Lastest Price from 2,5-Dibromothiophene manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2,5-Dibromothiophene pictures 2026-01-21 2,5-Dibromothiophene
3141-27-3
 US $40.00 / KG 1KG 98%+ 300MT/year Speranza Chemical Co., Ltd.
2,5-Dibromothiophene pictures 2025-05-26 2,5-Dibromothiophene
3141-27-3
 US $19.00 / KG 1KG 99.% 10 ton Hebei Chuanghai Biotechnology Co,.LTD
2,5-Dibromothiophene pictures 2025-04-04 2,5-Dibromothiophene
3141-27-3
 US $0.00-0.00 / kg 1kg 98% 1Ton Henan Aochuang Chemical Co.,Ltd.

2,5-Dibromothiophene Spectrum

2,5-Dibromothiophene(3141-27-3)MS2,5-Dibromothiophene(3141-27-3)1HNMR2,5-Dibromothiophene(3141-27-3)13CNMR2,5-Dibromothiophene(3141-27-3)IR12,5-Dibromothiophene(3141-27-3)Raman

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Thiophene,2,5-dibromo- 2,5-DIBROMO THIOPHENE 98.0%MIN TH-2Bra 2,5-Dibromthiophen 2,5-DibroMothiophene, 95% 25GR 2,5-Dibromothiophene,95% alpha,alpha-Dibromothiophene NSC 4488 2, 5 - two br thiophene 2,5-Dibromothiophene Vetec(TM) reagent grade, 94% 2,5-DIBROMOTHIOPHENE 2,5 DBT 2,5-dibromo-thiophen Dibromothiophene 2,5-Dibromothiophene,96% 2,5-Dibromothiophene, 95%, for synthesis 2,5-Dibromothiophene> 2,5-Dibromothiophene ISO 9001：2015 REACH S0505 2,5-Dibromlthiophene Tiotropium bromide Impurity 23 2,5-Bromo Thiophene 2,5-Dibromothiophene in isooctane 3141-27-3 C4H2Br2S C4H2SBr2 Br2C4H2S Heterocyclic Building Blocks Halogenated Heterocycles Thiophenes Building Blocks Sulphur Derivatives Thiophene&Benzothiophene Thiophenes Metal Isotopes Thiophens Sulfur & Selenium Compounds Halogenated Heterocycles Heterocyclic Building Blocks ThiophenesBuilding Blocks Heterocycle-oher series bc0001