2,4-Dibromothiophene

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Names

[ CAS No. ]:
3140-92-9

[ Name ]:
2,4-Dibromothiophene

[Synonym ]:
3,5-dibromothiophene
Thiophene, 2,4-dibromo-
2,4-Dibrom-thiophen
2,3-THIOEPOXY MADOL
2,4-Dibromo-thiophene
MFCD00043889
2,4-dibromothiophen
Thiophene,2,4-dibromo
2,4-Dibromothiophene

Chemical & Physical Properties

[ Density]:
2.2±0.1 g/cm3

[ Boiling Point ]:
213.4±20.0 °C at 760 mmHg

[ Melting Point ]:
-30ºC

[ Molecular Formula ]:
C4H2Br2S

[ Molecular Weight ]:
241.932

[ Flash Point ]:
82.9±21.8 °C

[ Exact Mass ]:
239.824387

[ PSA ]:
28.24000

[ LogP ]:
3.42

[ Vapour Pressure ]:
0.2±0.4 mmHg at 25°C

[ Index of Refraction ]:
1.638

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS05, GHS06

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H301-H315-H318-H335

[ Precautionary Statements ]:
P261-P280-P301 + P310-P305 + P351 + P338

[ Hazard Codes ]:
Xn: Harmful;Xi: Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S36/37/39-S26

[ RIDADR ]:
UN2810

[ Packaging Group ]:
III

[ Hazard Class ]:
6.1

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2,3,5-Tribromothiophene
  • 2,5-Dibromothiophene
  • 2-Thienylmagnesium bromide solution
  • dibromothiophene
  • 3,5-dibromo-[2]thienyl lithium
  • Water
  • ETHYLMAGNESIUM BROMIDE

DownStream

  • 3,3'-Bithienyl
  • 4-bromo-2-thiophen-3-ylthiophene
  • 2,4-di(thiophen-3-yl)thiophene
  • 3,5-dibromothiophene-2-carbaldehyde
  • 4-bromo-2-(trimethylsilylethynyl)thiophene
  • 2,4-bis[2-(trimethylsilyl)ethynyl]thiophene
  • 1,4-BIS(TRIMETHYLSILYL)-1,3-BUTADIYNE
  • 3,5-Dibromothiophene-2-carboxylic acid
  • 3,3',5,5'-Tetrabromo-2,2'-bithiophene
  • 4-Bromthiophen-2-carbaldehyd

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%

Related Compounds

  • 2,4-dibroMothiophene
  • 2,4-dibromothiophene-3-carbaldehyde
  • 2,4-dibromothiophene-3-carbonitrile
  • 2,4-dibromo-3,5-bis(chloromethyl)thiophene
  • 2,4-dibromo-3,5-dimethylthiophene
  • 2,4-Quinazolinediamine, 7-[2-(4-chlorophenyl)-1-pyrrolidinyl]-