1-Bromo-3-(trifluoromethyl)benzene
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1-Bromo-3-(trifluoromethyl)benzene
structure -
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CAS No:
401-78-5
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Formula:
C7H4BrF3
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Chemical Name:
1-Bromo-3-(trifluoromethyl)benzene
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Synonyms:
Benzene,1-bromo-3-(trifluoromethyl)-;Toluene,m-bromo-α,α,α-trifluoro-;1-Bromo-3-(trifluoromethyl)benzene;m-(Trifluoromethyl)bromobenzene;m-Bromobenzotrifluoride;3-Bromobenzotrifluoride;m-Bromo(trifluoromethyl)benzene;m-Bromo-α,α,α-trifluorotoluene;3-Bromobenzyltrifluoride;3-(Trifluoromethyl)bromobenzene;3-(Trifluoromethyl)phenyl bromide;m-(Trifluoromethyl)phenyl bromide;α,α,α-Trifluoro-m-tolyl bromide;3-Bromotrifluoromethylbenzene;2-Bromo-4-trifluoromethylbenzene;NSC 9468;3-(Trifluoromethyl)-1-bromobenzene;3-Bromo-1-trifluoromethylbenzene;3-Bromo-α,α,α-trifluorotoluene
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CAS No:
1-Bromo-3-(trifluoromethyl)benzene Basic Attributes
225.01
225.01
1449557
206-932-6
9468
DTXSID1059947
29036990
Characteristics
0
4
Clear colorless to slightly yellow Liquid
1.6371 g/cm3 @ Temp: 25 °C
1 °C
151.5 °C
110 °F
1.471
Flammables area
4.67mmHg at 25°C
Thermal decomposition to emit toxic bromide and chloride fumes
Safety Information
Ⅲ
3
UN 1993 3/PG 3
3
10-36/37/38
23-24/25-37/39-26-16-36
XS7970000
Xi,F
Warehouse ventilated, low temperature and dry
Flammable
P305 + P351 + P338
H226-H319
1-Bromo-3-(trifluoromethyl)benzene Use and Manufacturing
1. Trifluoromethylbenzene direct bromination method The yield of this method is 80%. Raw material consumption quota: trifluoromethylbenzene (≥98%) 686kg/t, bromine 1142kg/t, iron powder 200kg/t. 2. Derived from diazotization and replacement of m-aminobenzotrifluoride. Slowly add m-aminobenzotrifluoride to hydrobromic acid while stirring, and the temperature does not exceed 50°C. Cool, add sodium nitrite solution, and control the temperature below 10°C until the end of diazotization. The diazonium liquid is added to the boiling cuprous bromide and hydrobromic acid solution, and steam distillation is started, and the organic matter is steamed out with the steam. The distillate is separated into layers, the organic layer is taken, washed with concentrated sulfuric acid, washed with water, dilute lye, and washed with water until it is neutral. The oil layer is dehydrated with anhydrous calcium chloride, filtered, and distilled under reduced pressure to collect 73-74.5°C (6.0kPa) fractions to obtain m-bromobenzotrifluoride.
Mainly used in the production of pesticides and medicines, such as synthetic weight-loss drugs fenfluramine, etc. Used as pharmaceutical and pesticide intermediates
Benzene, 1-bromo-3-(trifluoromethyl)-: ACTIVE
Computed Properties
Molecular Weight:225.01
XLogP3:4
Hydrogen Bond Acceptor Count:3
Exact Mass:223.94485
Monoisotopic Mass:223.94485
Heavy Atom Count:11
Complexity:132
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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1-Bromo-3-(trifluoromethyl)benzene
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