247154
3,4-Dibromothiophene
99%
Synonym(s):
3,4-Dibromothiophene
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About This Item
Empirical Formula (Hill Notation):
C4H2Br2S
CAS Number:
Molecular Weight:
241.93
Beilstein:
107642
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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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.)
functional group
bromo
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.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
10 - Combustible liquids
WGK
WGK 3
Flash Point(F)
230.0 °F - closed cup
Flash Point(C)
110 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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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
An Alternative Synthysis of Thieno [3, 4-b] Thiophene.
Brandsma L and Verkruijsse HD.
Synthetic Communications, 20(15), 2275-2277 (1990)
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
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