4-Methyl-2-pentyne
Names
[ CAS No. ]:
21020-27-9
[ Name ]:
4-Methyl-2-pentyne
[Synonym ]:
2-Pentyne, 4-methyl-
methylisopropylacetylene
Isopropylmethylacetylene
2-methyl-4-pentyne
4-Methylpent-2-yne
2-Pentyne,4-methyl
MFCD00041615
4-Methyl-2-pentyne
1-isopropyl-2-methylacetylene
Chemical & Physical Properties
[ Density]:
0.7±0.1 g/cm3
[ Boiling Point ]:
70.3±8.0 °C at 760 mmHg
[ Melting Point ]:
110ºC
[ Molecular Formula ]:
C6H10
[ Molecular Weight ]:
82.144
[ Flash Point ]:
-18.5±12.6 °C
[ Exact Mass ]:
82.078247
[ LogP ]:
2.34
[ Appearance of Characters ]:
Liquid | Clear slightly yellow
[ Vapour Pressure ]:
140.9±0.1 mmHg at 25°C
[ Index of Refraction ]:
1.414
[ Storage condition ]:
Flammables area
MSDS
Safety Information
[ Hazard Codes ]:
F
[ Risk Phrases ]:
R11
[ Safety Phrases ]:
S16-S23-S24/25
[ RIDADR ]:
UN 3295 3/PG 2
[ WGK Germany ]:
3
[ Packaging Group ]:
II
[ Hazard Class ]:
3.0
[ HS Code ]:
2901299090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2901299090
[ Summary ]:
2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%