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5,5'-Dibromo-2,2'-bithiophene

5,5'-Dibromo-2,2'-bithiophene structure

CAS No.: 4805-22-5

Chemical Name:: 5,5'-Dibromo-2,2'-bithiophene

Synonyms: M8230;2T-2Br;2TH-2Brb;SPECS AC-776/41252583;2,5'-DibroMobithiophene;2,2'-Bi(5-bromothiophene);5,5'-DibroMo-2,2'-dithienyl;5,5'-dibromo-2,2'-dithiophene;5,5'-Dibromo-2,2'-bithiophene;5,5'-Dibromo-2,2'-bithiophene

CBNumber:: CB5223848

Molecular Formula:: C8H4Br2S2

Molecular Weight:: 324.06

MDL Number:: MFCD00219110

MOL File:: 4805-22-5.mol

MSDS File:: SDS

Last updated:2026-01-13 11:21:20

Product description	Number	Pack Size	Price
5,5′-Dibromo-2,2′-bithiophene 99%	515493	1g	$86.5
5,5′-Dibromo-2,2′-bithiophene 99%	515493	5g	$291
5,5'-Dibromo-2,2'-bithiophene >98.0%(GC)	D2755	1g	$47
5,5'-Dibromo-2,2'-bithiophene >98.0%(GC)	D2755	5g	$128
5,5’-Dibromo-2,2-bithiophene	D425025	2.5g	$970
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5,5'-Dibromo-2,2'-bithiophene Properties

Melting point	144-146 °C(lit.)
Boiling point	318.6±37.0 °C(Predicted)
Density	1.951±0.06 g/cm3(Predicted)
storage temp.	Keep in dark place,Sealed in dry,Room Temperature
form	powder to crystal
color	White to Light yellow to Light orange
Water Solubility	Slightly soluble in water.
InChI	InChI=1S/C8H4Br2S2/c9-7-3-1-5(11-7)6-2-4-8(10)12-6/h1-4H
InChIKey	SXNCMLQAQIGJDO-UHFFFAOYSA-N
SMILES	C1(C2SC(Br)=CC=2)SC(Br)=CC=1
CAS DataBase Reference	4805-22-5(CAS DataBase Reference)
UNSPSC Code	12352103
NACRES	NA.23

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07,GHS02

Signal word

Danger

Hazard statements

H315-H319-H225

Precautionary statements

P501-P240-P210-P233-P243-P241-P242-P264-P280-P370+P378-P337+P313-P305+P351+P338-P362+P364-P303+P361+P353-P332+P313-P403+P235

PPE

Eyeshields, Gloves, type N95 (US)

Hazard Codes

Risk Statements

20/21/22

Safety Statements

36/37-24/25

WGK Germany

HS Code

29349990

Storage Class

11 - Combustible Solids

NFPA 704

	1
2		0

5,5'-Dibromo-2,2'-bithiophene price More Price(35)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	515493	5,5′-Dibromo-2,2′-bithiophene 99%	4805-22-5	1g	$86.5	2023-06-20	Buy
Sigma-Aldrich	515493	5,5′-Dibromo-2,2′-bithiophene 99%	4805-22-5	5g	$291	2023-06-20	Buy
TCI Chemical	D2755	5,5'-Dibromo-2,2'-bithiophene >98.0%(GC)	4805-22-5	1g	$47	2025-07-31	Buy
TCI Chemical	D2755	5,5'-Dibromo-2,2'-bithiophene >98.0%(GC)	4805-22-5	5g	$128	2025-07-31	Buy
TRC	D425025	5,5’-Dibromo-2,2-bithiophene	4805-22-5	2.5g	$970	2021-12-16	Buy

Product number	Packaging	Price	Buy
515493	1g	$86.5	Buy
515493	5g	$291	Buy
D2755	1g	$47	Buy
D2755	5g	$128	Buy
D425025	2.5g	$970	Buy

5,5'-Dibromo-2,2'-bithiophene Chemical Properties,Uses,Production

Chemical Properties

white to light yellow shiny flakes or

Uses

It is an active pharmaceutical ingredient and an OLED (organic light-emitting diode) intermediate.

Uses

A termination reagent for polymer ization

Synthesis

492-97-7

4805-22-5

Using 2,2'-bithiophene (5.40 g, 32.4 mmol) as starting material, the reaction was stirred with N-bromosuccinimide (NBS, 11.57 g, 64.8 mmol, 2 eq.) in a solvent mixture of chloroform/acetic acid (1:1 v/v, 300 mL) for 4 hours at 70 °C. Upon completion of the reaction, the reaction mixture was diluted with dichloromethane (50 mL) and saturated aqueous sodium carbonate solution (100 mL). The organic phase was separated and the aqueous phase was extracted with dichloromethane (3 x 50 mL). The organic phases were combined, dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure to give a light yellow solid. The solid was washed with acetone to give the pure product 5,5'-dibromo-2,2'-bithiophene (1a, 10.42 g, 98% yield). To further improve the purity, it was recrystallized from tetrahydrofuran (THF). The structure of the product was confirmed by the following characterization data: 1H NMR (DMSO-d6, 600 MHz) δ: 7.23-7.22 (d, J = 3.9 Hz, 2H), 7.15-7.14 (d, J = 3.9 Hz, 2H); 13C NMR (DMSO-d6, 100 MHz) δ: 136.86, 131.60, 136.86, 131.60, 135.22, 110.84 125.22, 110.84; MS (ESI+): m/z = 324.05; UV-Vis (DMSO) λmax = 325 nm; IR (ATR): 3069 cm-1 (Ar-H stretching), 1683 cm-1 (conjugated C=C stretching), 1416 cm -1 (R1-C=C-R2 cis stretching), 1293 cm-1 (C=C bending). Elemental analysis results: calculated C 29.65, H 1.24, S 19.79; measured C 30.03, H 1.40, S 18.13.

References

[1] Bulletin of the Chemical Society of Japan, 1991, vol. 64, # 8, p. 2566 - 2568
[2] Journal of the Chinese Chemical Society, 2018, vol. 65, # 7, p. 828 - 834
[3] Tetrahedron Letters, 2010, vol. 51, # 1, p. 205 - 208
[4] Tetrahedron Letters, 2015, vol. 56, # 2, p. 368 - 373
[5] Helvetica Chimica Acta, 1996, vol. 79, # 3, p. 755 - 766

5,5'-Dibromo-2,2'-bithiophene Preparation Products And Raw materials

Raw materials

2,5-Dibromothiophene Chloroform Diethyl ether Cupric bromide n-Butyllithium

2,2'-BITHIOPHENE Acetic acid N-Bromosuccinimide

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Preparation Products

[2，2’]bithiophenyl-5,5'-dicarbaldehyde 5-BROMO-2,2'-BITHIOPHENE-5'-CARBOXALDEHYDE ALPHA-SEXITHIOPHENE 3,3'''-dioctyl-2,2':5',5'':2'',2'''-quaterthiophene 5,5μ-Bis(3-dodecyl-2-thienyl)-2,2μ-bithiophene

5,5'-Dibromo-2,2'-bithiophene Suppliers

Global( 271)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Henan Fengda Chemical Co., Ltd	+86-371-86557731 +86-13613820652	info@fdachem.com	China	20128	58
Springchem New Material Technology Co.,Limited	+86-021-62885108 +8613917661608	info@spring-chem.com	China	2068	57
Shanghai Daken Advanced Materials Co.,Ltd	+86-2158073036	info@dakenam.com	China	13620	58
ATK CHEMICAL COMPANY LIMITED	+undefined-21-51877795	ivan@atkchemical.com	China	33024	60
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29833	58
Shenzhen Nexconn Pharmatechs Ltd	+86-755-89396905 +86-15013857715	admin@nexconn.com	China	10405	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49977	58
Fuxin Pharmaceutical	+86-021-021-50872116 +8613122107989	contact@fuxinpharm.com	China	9948	58
SHANGHAI T&W PHARMACEUTICAL CO., LTD.	+86-021-61551413 +8618813727289	contact@trustwe.com	China	5742	58

Supplier	Advantage
Henan Fengda Chemical Co., Ltd	58
Springchem New Material Technology Co.,Limited	57
Shanghai Daken Advanced Materials Co.,Ltd	58
ATK CHEMICAL COMPANY LIMITED	60
career henan chemical co	58
Shenzhen Nexconn Pharmatechs Ltd	58
Alchem Pharmtech,Inc.	58
CONIER CHEM AND PHARMA LIMITED	58
Fuxin Pharmaceutical	58
SHANGHAI T&W PHARMACEUTICAL CO., LTD.	58

View Lastest Price from 5,5'-Dibromo-2,2'-bithiophene manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2025-11-18	5,5'-Dibromo-2,2'-bithiophene 4805-22-5	US $1.10 / g	1g	99.00%	100 Tons	Dideu Industries Group Limited
2025-09-25	5,5'-Dibromo-2,2'-bithiophene 4805-22-5	US $200.00-1.00 / KG	1KG	99%, 99.5% Sublimated	g-kg-tons, free sample is available	Henan Fengda Chemical Co., Ltd
2022-08-31	5,5'-Dibromo-2,2'-bithiophene 4805-22-5	US $0.00 / g	10g	99%	10kg	Zhengzhou Gecko Scientific Inc.

5,5'-Dibromo-2,2'-bithiophene
4805-22-5
US $1.10 / g
99.00%
Dideu Industries Group Limited

5,5'-Dibromo-2,2'-bithiophene
4805-22-5
US $200.00-1.00 / KG
99%, 99.5% Sublimated
Henan Fengda Chemical Co., Ltd

5,5'-Dibromo-2,2'-bithiophene
4805-22-5
US $0.00 / g
99%
Zhengzhou Gecko Scientific Inc.

5,5'-Dibromo-2,2'-bithiophene Spectrum

5,5'-Dibromo-2,2'-bithiophene(4805-22-5)IR

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3,3'-Dibromo-2,2'-bithiophene 5-BROMO-2 2'-BITHIOPHENE 96 5-BROMO-7-(5-BROMO-2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXIN-7-YL)-2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXINE 5,5'-Dibromo-2,2'-bithiophene 1,2-DICYANO-1,2-BIS(2,4,5-TRIMETHYL-3-THIENYL)ETHENE

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SPECS AC-776/41252583 5,5'-dibromo-2,2'-dithiophene 5,5''-DIBROMO-2,2''-BITHIOPHENE: 99.8% 2,2'-Bi(5-bromothiophene) 5,5'-Dibromo-2,2'-bithiophene,99% 2-broMo-5-(5-broMothiophen-2-yl)thiophene 2,5'-DibroMobithiophene 5,5'-DibroMo-2,2'-dithienyl IN1547, 5,5'-Dibromo-2,2'-bithiophene 2TH-2Brb 2,2'-Bithiophene,5,5'-dibromo- 5,5'-Dibromo-2,2'-bithiophene 99% 2,2'-Bithiophene, 5,5'-dibroMo- 5,5'-DibroMo-2,2'-bithienyl 5,5'-DibroMo-2,2'-bithiophenyl 5,5'-dibromo-2,2'-bisthiophene 5,5'-Dibromo-2,2'-bithiophene> 5,5'-Dibromo-2,2'-bithiophene ISO 9001：2015 REACH M8230 2T-2Br 5,5'-Dibromo-2,2'-bithiophene 5,5'-Dibromo-2,2'-bithiophene 4805-22-5 C8H4S2Br2 C8H4Br2S2 Thiophenes Heterocyclic Building Blocks Halogenated Heterocycles Building Blocks Reagents for Conducting Polymer Research Thiophene Derivatives (for Conduting Polymer Research) Thiophene Series Heterocyclic Building Blocks Organic Electronics and Photonics Synthetic Tools and Reagents Thiophene Monomers and Building BlocksHeterocyclic Building Blocks ThiophenesBuilding Blocks Heterocycles Halogenated Heterocycles Functional Materials Reagents for Conducting Polymer Research Thiophene Derivatives (for Conduting Polymer Research) Thiophen Thiophenes