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1-Bromo-2,4-difluorobenzene

1-Bromo-2,4-difluorobenzene structure

CAS No:
348-57-2
Formula:
C6H3BrF2
Chemical Name:
1-Bromo-2,4-difluorobenzene
Synonyms:
Benzene,1-bromo-2,4-difluoro-;1-Bromo-2,4-difluorobenzene;2,4-Difluorobromobenzene;2,4-Difluoro-1-bromobenzene;2,4-Difluorophenyl bromide;4-Bromo-1,3-difluorobenzene
Categories:
Organic Chemistry > Hydrocarbons and Derivatives

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Description

Clear colorless to brown liqui

1-Bromo-2,4-difluorobenzene Basic Attributes

Molecular Weight：

192.99

Exact Mass：

192.99

BRN：

1680892

EC Number：

206-479-4

DSSTox ID：

DTXSID40188336

HScode：

29036990

Characteristics

PSA：

XLogP3：

Appearance：

Clear colorless to brown Liquid

Density：

1.7±0.1 g/cm3

Melting Point：

-8 °C

Boiling Point：

146 °C

Flash Point：

125 °F

Refractive Index：

1.507

Water Solubility：

H2O: INsoluble

Storage Conditions：

2-8°C

Safety Information

Packing level：

Ⅲ

Hazard category：

Transport codes：

UN 1993 3/PG 3

wgk germany：

hazard class code：

10-36/37/38

safety instructions：

16-26-36/37/39-37/39-36

Marks：

Xi,F

Hazard note：

Flammable

Stability/Shelf Life：

Stable under normal temperatures and pressures.

Precautionary statement(s)：

P261-P305 + P351 + P338

Hazard Statements：

H226-H315-H319-H335

1-Bromo-2,4-difluorobenzene Use and Manufacturing

Methods of Manufacturing

From the bromination of difluorobenzene. Mix m-difluorobenzene with carbon tetrachloride and iron powder, stir and heat to about 45°C, slowly add a solution consisting of bromine and carbon tetrachloride, and continue stirring for 30 minutes after dripping, until colorless smoke is produced . Cool, add 20% sodium bisulfite solution and stir until colorless. Separate the organic layer, wash with 10% sodium hydroxide solution, and wash with water until it is neutral. Dry with anhydrous sodium sulfate overnight. Carry out atmospheric distillation, collect the 144-148 ℃ distillate, get this product, the yield is 83%.

Uses

Used as medicine or liquid crystal material intermediate

Computed Properties

Molecular Weight:192.99
XLogP3:3
Hydrogen Bond Acceptor Count:2
Exact Mass:191.93862
Monoisotopic Mass:191.93862
Heavy Atom Count:9
Complexity:97.1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Carbon tetrachloride

Benzene

Acetonitrile

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Guide of 1-Bromo-2,4-difluorobenzene

Description
Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Material
Recommended Suppliers
Latest News
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1-Bromo-2,4-difluorobenzene

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