2-Butanethiol

2-丁硫醇

Also known as: sec-Butyl mercaptan, sec-Butanethiol, 2-Mercaptobutane, sec-Butyl thiol, Butan-2-thiol, 1-Methyl-1-propanethiol, S-Butanethiol

CAS No.
513-53-1
Jingsj CID
J-9078-4
Molecular Formula
C4H10S
Chinese Name
2-丁硫醇
Molecular Weight
90.187 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-140ºC
Boiling Point86.6±8.0 °C at 760 mmHg
Density0.8±0.1 g/cm3
Flash Point21.1±0.0 °C

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2-Butanethiol?

513-53-1

What are the molecular formula and molecular weight of 2-Butanethiol?

C4H10S, molecular weight 90.187 g/mol

Is 2-Butanethiol hazardous?

Danger

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