Name | 2-methylbut-2-ene |
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Synonyms |
β-Isoamylene
EINECS 208-156-3 2-Methyl-2-butene Amylene (VAN) n-Amylene Trimethylethene amylene MFCD00009276 2-Butene, 2-methyl- 3-Methyl-2-butene b-isoamylene Ethylene, trimethyl- |
Density | 0.7±0.1 g/cm3 |
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Boiling Point | 36.0±3.0 °C at 760 mmHg |
Melting Point | -134 °C |
Molecular Formula | C5H10 |
Molecular Weight | 70.133 |
Flash Point | -45.6±0.0 °C |
Exact Mass | 70.078247 |
LogP | 2.91 |
Vapour density | 2.4 (vs air) |
Vapour Pressure | 511.2±0.0 mmHg at 25°C |
Index of Refraction | 1.396 |
Storage condition | Flammables area |
Symbol |
![]() ![]() ![]() ![]() GHS02, GHS07, GHS08, GHS09 |
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Signal Word | Danger |
Hazard Statements | H225-H302-H304-H315-H336-H341-H351-H411 |
Precautionary Statements | P201-P210-P273-P301 + P310-P304 + P340 + P312-P331 |
Personal Protective Equipment | Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US) |
Hazard Codes | F+:Highlyflammable;Xn:Harmful;N:Dangerousfortheenvironment; |
Risk Phrases | R12;R22;R51/53;R65 |
Safety Phrases | S45-S9-S61-S33-S16-S36/37/39-S26 |
RIDADR | UN 2460 3/PG 2 |
WGK Germany | 3 |
Packaging Group | II |
Hazard Class | 3 |
HS Code | 2901291000 |
Precursor 10 | |
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DownStream 10 | |
HS Code | 2901299090 |
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Summary | 2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |