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108472

2,5-Dibromothiophene

95%

Synonym(s):

2,5-dibromo-thiophene

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About This Item

Empirical Formula (Hill Notation):
C4H2Br2S
CAS Number:
3141-27-3
Molecular Weight:
241.93
NACRES:
NA.22
PubChem Substance ID:
24846807
UNSPSC Code:
12352100
EC Number:
221-547-3
MDL number:
MFCD00005420
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Quality Segment

assay

95%

refractive index

n20/D 1.629 (lit.)

bp

211 °C (lit.)

mp

−6 °C (lit.)

density

2.147 g/mL at 25 °C (lit.)

functional group

bromo

SMILES string

Brc1ccc(Br)s1

InChI

1S/C4H2Br2S/c5-3-1-2-4(6)7-3/h1-2H

InChI key

KBVDUUXRXJTAJC-UHFFFAOYSA-N

General description

2,5-Dibromothiophene polymerizes by debromination with magnesium catalyzed by nickel compounds to form poly(2,5- thienylene) .

Application

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.

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Codes

H301

Hazard Classifications

Acute Tox. 3 Oral

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Flash Point (°F)

210.2 °F - closed cup

Flash Point (°C)

99 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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