2-Metbut-1-en-1yne
2-甲基-1-丁烯-3-炔
Also known as: 1-Butene-3-yne, 2-methyl-, 2-METHYL-1-BUTEN-3-YNE, 2-Methyl-1-buten-3-yne, 2-Methyl-1-butenyne, 2-Methylbutenyne, 2-methyl-1-buten-3-yn, 2-methylbut-1-en-3-yne, 3-Methyl-3-buten-1-yne, CH2=C(CH3)CequivCH, EINECS 201-144-9, MFCD00008599, Valylene
2-Metbut-1-en-1yne (CAS 78-80-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H6 and a molecular weight of 66.10110 g/mol. It is also known as 1-Butene-3-yne, 2-methyl-, 2-METHYL-1-BUTEN-3-YNE and 2-Methyl-1-buten-3-yne. Key properties include a melting point of -113 °C, a boiling point of 32 °C(lit.), a density of 0.695 g/mL at 25 °C(lit.) and a flash point of 20 °F. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 78-80-8
- Jingsj CID
- J-30217-3
- Molecular Formula
- C5H6
- Chinese Name
- 2-甲基-1-丁烯-3-炔
- Molecular Weight
- 66.10110 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -113 °C |
|---|---|
| Boiling Point | 32 °C(lit.) |
| Density | 0.695 g/mL at 25 °C(lit.) |
| Flash Point | 20 °F |
Frequently Asked Questions
What is the CAS number of 2-Metbut-1-en-1yne?
The CAS number of 2-Metbut-1-en-1yne is 78-80-8.
What are the molecular formula and molecular weight of 2-Metbut-1-en-1yne?
2-Metbut-1-en-1yne has molecular formula C5H6 and molecular weight 66.10110 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Metbut-1-en-1yne (CAS 78-80-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30217-3 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.