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Sigma-Aldrich

3,4-Dibromothiophene

99%

Synonym(s):

3,4-Dibromothiophene

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About This Item

Empirical Formula (Hill Notation):
C4H2Br2S
CAS Number:
3141-26-2
Molecular Weight:
241.93
Beilstein/REAXYS Number:
107642
EC Number:
221-546-8
MDL number:
MFCD00005465
UNSPSC Code:
12352100
PubChem Substance ID:
24854854
NACRES:
NA.22

Quality Level

100

assay

99%

form

liquid

refractive index

n20/D 1.640 (lit.)

bp

221-222 °C (lit.)

mp

4-5 °C (lit.)

density

2.188 g/mL at 25 °C (lit.)

SMILES string

Brc1cscc1Br

InChI

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

InChI key

VGKLVWTVCUDISO-UHFFFAOYSA-N

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General description

Double photoionization spectra of 3,4-dibromothiophene has been investigated by coincidence spectroscopy technique based on electron time-of-flight measurement.

Application

3,4-Dibromothiophene was used in the preparation of thieno[3,4-b]thiophene. It was aslo used as starting material in the synthesis of alkyl substituted, fused thiophenes.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

wgk_germany

WGK 3

flash_point_f

closed cup

flash_point_c

closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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P Linusson et al.
The Journal of chemical physics, 129(23), 234303-234303 (2008-12-24)
We report the double photoionization spectra of thiophene, 3-bromothiophene, and 3,4-dibromothiophene using a coincidence spectroscopy technique based on electron time-of-flight measurements. Spectra have been recorded between the onset and 40.814 eV using He IIalpha radiation. The He I photoelectron spectrum
Mingqian He et al.
The Journal of organic chemistry, 72(2), 442-451 (2007-01-16)
We have established a series of synthetic methods to synthesize alkyl-substituted fused thiophenes with degrees of fusion from two to seven rings. These fused thiophene ring compounds have very good solubility in common organic solvents, making possible the solution processing
An Alternative Synthysis of Thieno [3, 4-b] Thiophene.
Brandsma L and Verkruijsse HD.
Synthetic Communications, 20(15), 2275-2277 (1990)

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