2-Methyl-2-butanethiol

Also known as: 1,1-dimethyl-1-propanethiol, 2-Butanethiol, 2-methyl-, 2-Methylbutane-2-thiol, 2-Methyl-butan-2-thiol, 2-methylbutane-2-thiol, 2-ethyl-2-propanethiol, 2-tert-Pentyl mercaptan, tert-Amyl mercaptan, tert-Pentyl mercaptan, tert-amyl hydrosulfide

2-Methyl-2-butanethiol (CAS 1679-09-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H12S and a molecular weight of 104.214 g/mol. Key properties include a melting point of 0ºC, a boiling point of 96.6±8.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of -1.1±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1679-09-0
Jingsj CID: J-1510597-2
Molecular Formula: C₅H₁₂S
Molecular Weight: 104.214 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	0ºC
Boiling Point	96.6±8.0 °C at 760 mmHg
Density	0.8±0.1 g/cm3
Flash Point	-1.1±0.0 °C
Exact Mass	104.065971
PSA	38.80000
LogP	2.48
Vapor Pressure	49.4±0.2 mmHg at 25°C
Refractive Index	1.441

Customs & Trade Information

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-Methyl-2-butanethiol?

The CAS number of 2-Methyl-2-butanethiol is 1679-09-0.

What are the molecular formula and molecular weight of 2-Methyl-2-butanethiol?

2-Methyl-2-butanethiol has molecular formula C5H12S and molecular weight 104.214 g/mol.

What are the upstream and downstream products of 2-Methyl-2-butanethiol?

For 2-Methyl-2-butanethiol, Upstream Products: 2-Methylbut-2-ene, 2-iodo-2-methylbutane, 2-Methylbut-2-ene; Downstream Products: Di-tert-amyl disulfide, 2,2'-dipyridylamine, 2-Hydroxyethyl n-amyl sulfide.

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-2-butanethiol (CAS 1679-09-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1510597-2 (accessed 2026-11-09).

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