1-Ethynyl-3,4-fluorobenzene
Suppliers
Names
[ CAS No. ]:
143874-13-9
[ Name ]:
1-Ethynyl-3,4-fluorobenzene
[Synonym ]:
3,4-Difluorophenylacetylene
1-Ethynyl-3,4-fluorobenzene
4-Ethynyl-1,2-difluorobenzene
Benzene, 4-ethynyl-1,2-difluoro-
Chemical & Physical Properties
[ Density]:
1.2±0.1 g/cm3
[ Boiling Point ]:
145.9±30.0 °C at 760 mmHg
[ Molecular Formula ]:
C8H4F2
[ Molecular Weight ]:
138.114
[ Flash Point ]:
31.4±12.4 °C
[ Exact Mass ]:
138.028107
[ LogP ]:
2.41
[ Vapour Pressure ]:
6.0±0.3 mmHg at 25°C
[ Index of Refraction ]:
1.492
MSDS
Safety Information
[ Symbol ]:
GHS02
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H225
[ Precautionary Statements ]:
P210
[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
[ Hazard Codes ]:
F: Flammable;
[ Risk Phrases ]:
R11
[ RIDADR ]:
UN 1993 3/PG 2
[ HS Code ]:
2903999090
Synthetic Route
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%