3,4-Dimethylbenzenethiol

3,4-二甲基苯硫酚

Also known as: 3,4-Dimethylthiophenol, 4-Mercapto-o-xylene, o-Xylene-4-thiol, Vortioxetine Impurity 42, 3,4-Dimethylbenzothiol, Benzenethiol, 3,4-dimethyl-

3,4-Dimethylbenzenethiol (CAS 18800-53-8) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C8H10S and a molecular weight of 138.230 g/mol. It is also known as 3,4-Dimethylthiophenol, 4-Mercapto-o-xylene and o-Xylene-4-thiol. Key properties include a boiling point of 222.1±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 90.0±0.0 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18800-53-8
Jingsj CID
J-1990821-0
Molecular Formula
C8H10S
Chinese Name
3,4-二甲基苯硫酚
Molecular Weight
138.230 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point222.1±9.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point90.0±0.0 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3,4-Dimethylbenzenethiol?

The CAS number of 3,4-Dimethylbenzenethiol is 18800-53-8.

What are the molecular formula and molecular weight of 3,4-Dimethylbenzenethiol?

3,4-Dimethylbenzenethiol has molecular formula C8H10S and molecular weight 138.230 g/mol.

Is 3,4-Dimethylbenzenethiol hazardous?

3,4-Dimethylbenzenethiol has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "3,4-Dimethylbenzenethiol (CAS 18800-53-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990821-0 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.