2,4,4-trimethylpentane-2-thiol

Also known as: tert-Octyl mercaptan, tert-Octanethiol, 2,4,4-Trimethyl-2-pentanethiol, tert-Octylthiol, tert-octanethiol, 2,4,4-trimethylpentane-2-thiol, 1,1,3,3-tetramethylbutyl mercaptan, 1,1,3,3-Tetramethyl-1-butyl sulfhydrate, T-OCTYL MERCAPTAN, tert-Octyl Mercaptan

2,4,4-trimethylpentane-2-thiol (CAS 141-59-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C8H18S and a molecular weight of 146.29400 g/mol. Key properties include a melting point of -74.15°C, a boiling point of 150.2ºC at 760mmHg, a density of 0.837g/cm3 and a flash point of 34.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 141-59-3
Jingsj CID: J-957-1
Molecular Formula: C₈H₁₈S
Molecular Weight: 146.29400 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	-74.15°C
Boiling Point	150.2ºC at 760mmHg
Density	0.837g/cm3
Flash Point	34.6ºC
Exact Mass	146.11300
PSA	38.80000
LogP	3.13100
Vapor Pressure	4.95mmHg at 25°C
Refractive Index	1.449

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 2,4,4-trimethylpentane-2-thiol?

The CAS number of 2,4,4-trimethylpentane-2-thiol is 141-59-3.

What are the molecular formula and molecular weight of 2,4,4-trimethylpentane-2-thiol?

2,4,4-trimethylpentane-2-thiol has molecular formula C8H18S and molecular weight 146.29400 g/mol.

What are the upstream and downstream products of 2,4,4-trimethylpentane-2-thiol?

For 2,4,4-trimethylpentane-2-thiol, Upstream Products: 2,2,4-trimethyl-3-pentene, 2,2,4-Trimethyl-4-nitropentane, 2,4,4-Trimethylpent-1-ene; Downstream Products: Bis(1,1,3,3-tetramethylbutyl) disulfide.

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. "2,4,4-trimethylpentane-2-thiol (CAS 141-59-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-957-1 (accessed 2026-11-06).

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