3-Methyl-1-butanethiol

异戊硫醇

Also known as: Isoamyl mercaptan, ISOAMYLTHIOL, Isopentyl mercaptan, 3-Methylbutanethiol, 3-methylbutane-1-thiol, Isopentanethiol, Isopentylmercaptan, isoamylthiol, isopentylthiol, FEMA 3858, MFCD00004899

CAS No.
541-31-1
Jingsj CID
J-8188-5
Molecular Formula
C5H12S
Chinese Name
异戊硫醇
Molecular Weight
104.214 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point114.8±8.0 °C at 760 mmHg
Density0.8±0.1 g/cm3
Flash Point18.3±0.0 °C

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 3-Methyl-1-butanethiol?

541-31-1

What are the molecular formula and molecular weight of 3-Methyl-1-butanethiol?

C5H12S, molecular weight 104.214 g/mol

Is 3-Methyl-1-butanethiol hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026