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4-Methyl-1-penten-3-ol

Also known as: 1-Isopropyl-2-propene-1-ol, 1-Penten-3-ol, 4-methyl-, 2-Methyl-4-penten-3-ol, 2-Methylpent-4-en-3-ol, 3-Hydroxy-4-methyl-1-pentene, 4-Methyl-1-pentene-3-ol, 4-Methyl-pent-1-en-3-ol, 4-Methylpent-1-en-3-ol, NSC 95412

4-Methyl-1-penten-3-ol (CAS 4798-45-2) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6H12O and a molecular weight of 100.15900 g/mol. Key properties include a boiling point of 115.1ºC at 760 mmHg, a density of 0.828g/cm3 and a flash point of 25.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4798-45-2
Jingsj CID
J-27222-0
Molecular Formula
C6H12O
Molecular Weight
100.15900 g/mol
Category
Alcohols
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point115.1ºC at 760 mmHg
Density0.828g/cm3
Flash Point25.5ºC
Exact Mass100.08900
PSA20.23000
LogP1.18930
Refractive Index1.426

Frequently Asked Questions

What is the CAS number of 4-Methyl-1-penten-3-ol?

The CAS number of 4-Methyl-1-penten-3-ol is 4798-45-2.

What are the molecular formula and molecular weight of 4-Methyl-1-penten-3-ol?

4-Methyl-1-penten-3-ol has molecular formula C6H12O and molecular weight 100.15900 g/mol.

What are the upstream and downstream products of 4-Methyl-1-penten-3-ol?

For 4-Methyl-1-penten-3-ol, Upstream Products: Vinylmagnesium bromide, Isobutyraldehyde, 4-methyl-1-pentyn-3-ol; Downstream Products: 4-methyl-1,3-pentadiene, 2-Methyl-1,4-pentadiene, (3E)-2-Methyl-1,3-pentadiene.

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

Last updated:

How to cite: Jingsj. "4-Methyl-1-penten-3-ol (CAS 4798-45-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27222-0 (accessed 2026-11-09).

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