ChemicalBook > CAS DataBase List > 1-ETHYNYL-2.4-DIFLUOROBENZENE 97

1-ETHYNYL-2.4-DIFLUOROBENZENE 97

Product Name
1-ETHYNYL-2.4-DIFLUOROBENZENE 97
CAS No.
302912-34-1
Chemical Name
1-ETHYNYL-2.4-DIFLUOROBENZENE 97
Synonyms
2,4-Difluorophenylacetylene;Benzene, 1-ethynyl-2,4-difluoro-;1-ETHYNYL-2.4-DIFLUOROBENZENE 97;1-Ethynyl-2,4-difluorobenzene 97%;Benzene, 1-ethynyl-2,4-difluoro- (9CI)
CBNumber
CB8500298
Molecular Formula
C8H4F2
Formula Weight
138.11
MOL File
302912-34-1.mol
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1-ETHYNYL-2.4-DIFLUOROBENZENE 97 Property

Melting point:
29-32 °C (lit.)
Boiling point:
134.7±30.0 °C(Predicted)
Density 
1.17±0.1 g/cm3(Predicted)
Flash point:
92 °F
storage temp. 
2-8°C
form 
powder to lump to clear liquid
color 
White or Colorless to Yellow to Orange
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Safety

Hazard Codes 
Xi
Risk Statements 
10-36/37/38
Safety Statements 
16-26-36
RIDADR 
UN 1325 4.1/PG 3
WGK Germany 
3
HS Code 
2903.99.8001
HazardClass 
FLAMMABLE
PackingGroup 
III
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H228Flammable solid

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
556440
Product name
1-Ethynyl-2,4-difluorobenzene
Purity
97%
Packaging
5G
Price
$75.6
Updated
2024/03/01
TCI Chemical
Product number
E1169
Product name
1-Ethynyl-2,4-difluorobenzene
Purity
>96.0%(GC)
Packaging
1g
Price
$168
Updated
2024/03/01
TCI Chemical
Product number
E1169
Product name
1-Ethynyl-2,4-difluorobenzene
Purity
>96.0%(GC)
Packaging
5g
Price
$555
Updated
2024/03/01
TRC
Product number
B125015
Product name
1-Ethynyl-2,4-difluorobenzene
Packaging
100mg
Price
$75
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
HCH0066946
Product name
1-ETHYNYL-2,4-DIFLUOROBENZENE
Purity
95.00%
Packaging
5G
Price
$1056.83
Updated
2021/12/16
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1-ETHYNYL-2.4-DIFLUOROBENZENE 97 Chemical Properties,Usage,Production

Uses

1-Ethynyl-2,4-difluorobenzene (CM) may be used to synthesize sulfonatedpoly(aryleneether)s containing CM and TFP [4-[Trifluorovinyl(oxy)]phenol]. It may also be employed for the preparation of 4-(2,4-difluorophenylethynyl)-3-methyl-5-phenylisoxazole.

General Description

1-Ethynyl-2,4-difluorobenzene is an alkyne bearing fluoro group in the phenyl ring.

1-ETHYNYL-2.4-DIFLUOROBENZENE 97 Preparation Products And Raw materials

Raw materials

Preparation Products

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1-ETHYNYL-2.4-DIFLUOROBENZENE 97 Suppliers

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