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

Modify Date: 2024-01-02 18:09:47

5,5'-Dibromo-2,2'-bithiophene Structure
5,5'-Dibromo-2,2'-bithiophene structure
Common Name 5,5'-Dibromo-2,2'-bithiophene
CAS Number 4805-22-5 Molecular Weight 324.055
Density 2.0±0.1 g/cm3 Boiling Point 318.6±37.0 °C at 760 mmHg
Molecular Formula C8H4Br2S2 Melting Point 144-146 °C(lit.)
MSDS USA Flash Point 146.5±26.5 °C

 Names

Name 5,5'-Dibromo-2,2'-bithiophene
Synonym More Synonyms

 Chemical & Physical Properties

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

 Safety Information

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

 Synthetic Route

~10%

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

5,5'-Dibromo-2,...

CAS#: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

~96%

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

5,5'-Dibromo-2,...

CAS#:4805-22-5

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

~80%

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

5,5'-Dibromo-2,...

CAS#: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

~9%

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

5,5'-Dibromo-2,...

CAS#:4805-22-5

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

~88%

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

5,5'-Dibromo-2,...

CAS#:4805-22-5

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

~24%

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

5,5'-Dibromo-2,...

CAS#: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

~%

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

5,5'-Dibromo-2,...

CAS#:4805-22-5

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

 Customs

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

 Articles1

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 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