2-METHYL-1-PENTEN-3-YNE

Also known as: .CC(CH3)=CH2, 1-Penten-3-yne,2-methyl, 2-Methyl-1-penten-3-yne, 2-Methyl-pent-1-en-3-in, 2-Methyl-penten-(1)-in-(3), 2-methyl-pent-1-en-3-yne, 2-methylpent-1-en-3-yne, CH3C., CH3C.equiv.CC(CH3)=CH2, Isopropenyl-methyl-acetylen, Methyl-isopropenyl-acetylen

2-METHYL-1-PENTEN-3-YNE (CAS 926-55-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H8 and a molecular weight of 80.12770 g/mol. Key properties include a boiling point of 84.8ºC at 760mmHg and a density of 0.757g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 926-55-6
Jingsj CID: J-1138447-7
Molecular Formula: C₆H₈
Molecular Weight: 80.12770 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	84.8ºC at 760mmHg
Density	0.757g/cm3
Exact Mass	80.06260
LogP	1.58580
Refractive Index	1.431

Customs & Trade Information

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%

Frequently Asked Questions

What is the CAS number of 2-METHYL-1-PENTEN-3-YNE?

The CAS number of 2-METHYL-1-PENTEN-3-YNE is 926-55-6.

What are the molecular formula and molecular weight of 2-METHYL-1-PENTEN-3-YNE?

2-METHYL-1-PENTEN-3-YNE has molecular formula C6H8 and molecular weight 80.12770 g/mol.

What are the upstream and downstream products of 2-METHYL-1-PENTEN-3-YNE?

For 2-METHYL-1-PENTEN-3-YNE, Upstream Products: Propyne, Mesityl oxide, Allene.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2-METHYL-1-PENTEN-3-YNE (CAS 926-55-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1138447-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.