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HomeProduct name list2,5-Dibromothiophene

2,5-Dibromothiophene

  • CAS NO.:3141-27-3
  • Empirical Formula: C4H2Br2S
  • Molecular Weight: 241.93
  • MDL number: MFCD00005420
  • EINECS: 221-547-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:07:02
2,5-Dibromothiophene Structural

What is 2,5-Dibromothiophene?

Chemical properties

Light Yellow Liquid

The Uses of 2,5-Dibromothiophene

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

The Uses of 2,5-Dibromothiophene

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) .

Properties of 2,5-Dibromothiophene

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
color  Clear pale yellow to brown
Specific Gravity 2.147
Water Solubility  practically insoluble
BRN  109899
CAS DataBase Reference 3141-27-3(CAS DataBase Reference)
NIST Chemistry Reference Thiophene, 2,5-dibromo-(3141-27-3)
EPA Substance Registry System Thiophene, 2,5-dibromo- (3141-27-3)

Safety information for 2,5-Dibromothiophene

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 2,5-Dibromothiophene

InChIKey KBVDUUXRXJTAJC-UHFFFAOYSA-N

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