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isoamyl alcohol

Also known as: 2-METHYL-4-BUTANOL, 3-METHYL BUTANOL, 3-METHYLBUTAN-1-OL, 3-METHYLBUTYL ALCOHOL, AMYL ALCOHOL,PRIMARY, Amyl alcohol, EINECS 204-633-5, FEMA 2057, FUSEL OIL, ISOAMYL ALCOHOL, ISOBUTYLCARBINOL, ISOPENTANOL, METHYL-BUTANOL, MFCD00002934

isoamyl alcohol (CAS 30899-19-5) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H12O and a molecular weight of 88.14820 g/mol. Key properties include a melting point of −117 °C(lit.), a boiling point of 131-132 °C, a density of 0.809 g/mL at 25 °C(lit.) and a flash point of 43.0 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
30899-19-5
Jingsj CID
J-45543-1
Molecular Formula
C5H12O
Molecular Weight
88.14820 g/mol
Category
Alcohols
Last updated
11/2/2026

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Physicochemical Properties

Melting Point−117 °C(lit.)
Boiling Point131-132 °C
Density0.809 g/mL at 25 °C(lit.)
Flash Point43.0 °C
Exact Mass88.08880
PSA20.23000
LogP1.16890
Additional Property3 (vs air)
Vapor Pressure2 mm Hg ( 20 °C)
Refractive Indexn20/D 1.407

Frequently Asked Questions

What is the CAS number of isoamyl alcohol?

The CAS number of isoamyl alcohol is 30899-19-5.

What are the molecular formula and molecular weight of isoamyl alcohol?

isoamyl alcohol has molecular formula C5H12O and molecular weight 88.14820 g/mol.

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

Last updated:

How to cite: Jingsj. "isoamyl alcohol (CAS 30899-19-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45543-1 (accessed 2026-11-06).

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