329762
2-Bromo-5-chlorothiophene
98%
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About This Item
Empirical Formula (Hill Notation):
C4H2BrClS
CAS Number:
Molecular Weight:
197.48
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
220-708-5
MDL number:
Assay:
98%
Form:
liquid
InChI key
ZFAJPWYXLYGUJU-UHFFFAOYSA-N
InChI
1S/C4H2BrClS/c5-3-1-2-4(6)7-3/h1-2H
SMILES string
Clc1ccc(Br)s1
assay
98%
form
liquid
refractive index
n20/D 1.596 (lit.)
bp
69-70 °C/18 mmHg (lit.)
density
1.803 g/mL at 25 °C (lit.)
Quality Level
General description
2-Bromo-5-chlorothiophene is a halogen-substituted thiophene and its photodissociation dynamics was studied by resonance enhanced multiphoton ionization time-of-flight technique. Electrochemical reduction of 2-bromo-5-chlorothiophene at carbon cathode in dimethylformamide containing tetramethylammonium perchlorate was reported.
Application
2-Bromo-5-chlorothiophene was used in the synthesis of monomer of 1,4-bis(5-chlorothiophene)-buta-1,3-diyne and 5-chloro-2-[(trimethylsilyl)-ethynyl]thiophene.
Storage Class
10 - Combustible liquids
wgk
WGK 3
flash_point_f
185.0 °F - closed cup
flash_point_c
85 °C - closed cup
ppe
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
Regulatory Information
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Synthesis and Properties of Conjugated Polycarbosilanes with 1, 4-Bis (thiophene or phenylene)-buta-1, 3-diyne.
Seo IK, et al.
Bull. Korean Chem. Soc., 20(6), 677-682 (1999)
Mohammad S. Mubarak et al.
The Journal of organic chemistry, 61(23), 8074-8078 (1996-11-15)
Cyclic voltammetry and controlled-potential electrolysis have been employed to probe the electrochemical reduction of a number of mono- and dihalothiophenes at carbon cathodes in dimethylformamide containing tetramethylammonium perchlorate. Reduction of 2-bromo-, 3-bromo-, 2-chloro-, 3-chloro-, and 2-iodothiophene gives rise to a
Monali Kawade et al.
The journal of physical chemistry. A, 116(44), 10656-10667 (2012-10-20)
The photodissociation dynamics of halogen-substituted thiophenes, namely, 2-chlorothiophene and 2-bromo-5-chlorothiophene, has been studied in a supersonic molecular beam around 235 nm, using resonance enhanced multiphoton ionization (REMPI) time-of-flight (TOF) technique, by detecting the nascent state of the primary halogen atoms.
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