BENZENE, 1-ETHYNYL-2,4-DIFLUORO-

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Names

[ CAS No. ]:
302912-34-1

[ Name ]:
BENZENE, 1-ETHYNYL-2,4-DIFLUORO-

[Synonym ]:
2,4-difluorophenylethyne
1-ethynyl-2,4-difluoro-benzene
(2,4-difluorophenyl)acetylene
2,4-difluoroethynylbenzene
4-(2,4-difluorophenyl)but-3-yn-2-ol
MFCD02093726

Chemical & Physical Properties

[ Density]:
1.17g/cm3

[ Boiling Point ]:
134.7ºC at 760 mmHg

[ Melting Point ]:
29-32ºC(lit.)

[ Molecular Formula ]:
C8H4F2

[ Molecular Weight ]:
138.11400

[ Flash Point ]:
92 °F

[ Exact Mass ]:
138.02800

[ LogP ]:
1.94610

[ Index of Refraction ]:
1.492

[ Storage condition ]:
2-8°C

Safety Information

[ Symbol ]:

GHS02, GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H228-H315-H319-H335

[ Precautionary Statements ]:
P210-P280-P304 + P340 + P312-P305 + P351 + P338-P337 + P313

[ Personal Protective Equipment ]:
Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
10-36/37/38

[ Safety Phrases ]:
16-26-36

[ RIDADR ]:
UN 1325 4.1/PG 3

[ WGK Germany ]:
3

[ Packaging Group ]:
III

[ Hazard Class ]:
4.1

[ HS Code ]:
2903999090

Precursor & DownStream

Precursor

DownStream

  • 2',4'-Difluoroacetanilide
  • 6-[2-(2,4-difluorophenyl)ethynyl]-1-propan-2-ylsulfonylbenzimidazol-2-amine
  • 1-(2-amino-3-propan-2-ylsulfonylbenzimidazol-5-yl)-2-(2,4-difluorophenyl)ethane-1,2-dione
  • (2 4-difluorophenylethynyl)trimethylsil&

Customs

[ HS Code ]: 2903999090

[ Summary ]:
2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Articles

Synthesis of glycidyl triazolyl polymers using click chemistry. Jung JH, et al.

Tetrahedron Lett. 48(37) , 6442-6448, (2007)

Sulfonated poly (arylene ether) membranes containing perfluorocyclobutyl and ethynyl groups: Increased mechanical strength through chain extension and crosslinking. Lee SB, et al.

J. Membr. Sci. 456 , 49-56, (2014)

Synthesis of 3, 4, 5-Trisubstituted Isoxazoles through Gold-Catalyzed Cascade Cyclization- Oxidative Alkynylation and Cyclization-Fluorination of 2-Alkynone O-Methyloximes. Song D-H and Ryu J-S.

Bull. Korean Chem. Soc. 35(9) , 2635-2644, (2014)


More Articles

Related Compounds

  • BENZENE, 1-ETHYNYL-2,4-DIMETHOXY-
  • 1-ETHYNYL-2,4-DINITRO-BENZENE
  • 1-ethynyl-2-(4-fluorobenzyl) benzene
  • 1-Ethynyl-2-[(4-methoxyphenoxy)methyl]benzene
  • 1-ethynyl-2,4,5-trimethylbenzene
  • 1-Ethynyl-2,4-dimethylbenzene
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 6'-Carboxy-2'-t-butylbiphenyl-2-sulfinic acid
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • tert-Butyl-DL-alanine
  • 4-amino-N-[2-tert-butyl-1-(tetrahydro-2H-pyran-4-ylmethyl)-1H-benzimidazol-5-yl]-N-ethylbenzenesulfonamide