2-butene
反-2-丁烯
Also known as: 2-BUTENE, EINECS 203-452-9, MFCD00064458, trans-but-2-ene
- CAS No.
- 624-64-6
- Jingsj CID
- J-1992212-6
- Molecular Formula
- C4H8
- Chinese Name
- 反-2-丁烯
- Molecular Weight
- 56.10630 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | -140ºC(lit.) |
|---|---|
| Boiling Point | 1ºC(lit.) |
| Density | 2 (vs air) |
| Flash Point | <-30 °F |
Frequently Asked Questions
What is the CAS number of 2-butene?
624-64-6
What are the molecular formula and molecular weight of 2-butene?
C4H8, molecular weight 56.10630 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026