Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5,5'-Dibromo-2,2'-bithiophene
Price: Check
Purity: 99.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 5,5'-Dibromo-2,2'-bithiophene
Price: ￥368.0/25g ￥98.0/5g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5,5'-Dibromo-2,2'-bithiophene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

4805-22-5

4805-22-5 structure

4805-22-5 structure

Name: 5,5'-Dibromo-2,2'-bithiophene
Chemical Name: 5,5'-Dibromo-2,2'-bithiophene
CAS Number: 4805-22-5
Molecular Formula: C₈H₄Br₂S₂
Molecular Weight: 324.055
Catalog: Pharmaceutical intermediate Heterocyclic compound Thiophene compound
Create Date: 2019-01-02 13:25:58
Modify Date: 2025-08-26 11:56:11

Name	5,5'-Dibromo-2,2'-bithiophene
Synonyms	2-bromo-5-(5-bromothiophen-2-yl)thiophene MFCD00219110 5,5′-Dibromo-2,2′-bithiophene 5,5'-Dibromo-2,2'-bithiophene 2,2'-Bithiophene, 5,5'-dibromo- 5,5-Dibromo-2,2-Bithiophene 2-bromo-5-(5-bromo-2-thienyl)thiophene

Density	2.0±0.1 g/cm3
Boiling Point	318.6±37.0 °C at 760 mmHg
Melting Point	144-146 °C(lit.)
Molecular Formula	C₈H₄Br₂S₂
Molecular Weight	324.055
Flash Point	146.5±26.5 °C
Exact Mass	321.812103
PSA	56.48000
LogP	5.10
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.683

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xn:Harmful;
Risk Phrases	R20/21/22
Safety Phrases	S36/37
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2934999090

492-97-7 structure

492-97-7

~10%

4805-22-5 structure

4805-22-5

Literature: Okamoto, Tsuyoshi; Kakinami, Takaaki; Fujimoto, Hiroshi; Kajigaeshi, Shoji Bulletin of the Chemical Society of Japan, 1991 , vol. 64, # 8 p. 2566 - 2568

3141-27-3 structure

3141-27-3

~96%

4805-22-5 structure

4805-22-5

Literature: Wang, Nai-Xing Synthetic Communications, 2003 , vol. 33, # 12 p. 2119 - 2124

1003-09-4 structure

1003-09-4

~80%

4805-22-5 structure

4805-22-5

Literature: Takahashi, Masabumi; Masui, Kentaro; Sekiguchi, Hiroki; Kobayashi, Nobuhiko; Mori, Atsunori; Funahashi, Masahiro; Tamaoki, Nobuyuki Journal of the American Chemical Society, 2006 , vol. 128, # 33 p. 10930 - 10933

492-97-7 structure

492-97-7

~9%

4805-22-5 structure

4805-22-5

3480-11-3 structure

3480-11-3

Literature: Nakayama, Juzo; Konishi, Toru; Murabayashi, Shigeru; Hoshino, Masamatsu Heterocycles, 1987 , vol. 26, # 7 p. 1793 - 1796

19162-80-2 structure

19162-80-2

~88%

4805-22-5 structure

4805-22-5

Literature: Dahlmann, Uwe; Neidlein, Richard Helvetica Chimica Acta, 1996 , vol. 79, # 3 p. 755 - 766

1003-09-4 structure

1003-09-4

5380-42-7 structure

5380-42-7

~24%

3339-82-0 structure

3339-82-0

4805-22-5 structure

4805-22-5

Literature: He, Chun-Yang; Wang, Zhen; Wu, Cai-Zhi; Qing, Feng-Ling; Zhang, Xingang Chemical Science, 2013 , vol. 4, # 9 p. 3508 - 3513

1003-09-4 structure

1003-09-4

455-17-4 structure

455-17-4

~%

4805-22-5 structure

4805-22-5

1073313-97-9 structure

1073313-97-9

Detail

Literature: Ball, Liam T.; Lloyd-Jones, Guy C.; Russell, Christopher A. Journal of the American Chemical Society, 2014 , vol. 136, # 1 p. 254 - 264

Precursor 6
492-97-7 3141-27-3 1003-09-4 19162-80-2
5380-42-7 455-17-4
DownStream 10
578715-23-8 16303-58-5 146796-00-1 492-97-7
3480-11-3 88493-55-4 132814-91-6 110046-60-1
125143-53-5 5632-29-1

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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