Dimethyl trisulfide

二甲基三硫

Also known as: (methyltrisulfanyl)methane, 1,3-Dimethyltrisulfane, 2,3,4-Trithiapentane, CH3SSSCH3, DIMETHYL TRISULFIDE, DIMETHYLTRISULFIDE, DMTS, Dimethyltrisulfane, Methyl trisulfide, Trisulfane, 1,3-dimethyl-, Trisulfide,dimethyl, dimethyl trisufide, dimethyl trisulphide, trisulfane, dimethyl-, trisulfide, dimethyl

Dimethyl trisulfide (CAS 3658-80-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C2H6S3 and a molecular weight of 126.264 g/mol. It is also known as (methyltrisulfanyl)methane, 1,3-Dimethyltrisulfane and 2,3,4-Trithiapentane. Key properties include a melting point of −68 °C(lit.), a boiling point of 183.1±23.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 69.1±19.7 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3658-80-8
Jingsj CID
J-1993620-0
Molecular Formula
C2H6S3
Chinese Name
二甲基三硫
Molecular Weight
126.264 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point−68 °C(lit.)
Boiling Point183.1±23.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point69.1±19.7 °C

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Dimethyl trisulfide?

The CAS number of Dimethyl trisulfide is 3658-80-8.

What are the molecular formula and molecular weight of Dimethyl trisulfide?

Dimethyl trisulfide has molecular formula C2H6S3 and molecular weight 126.264 g/mol.

Is Dimethyl trisulfide hazardous?

Dimethyl trisulfide 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. "Dimethyl trisulfide (CAS 3658-80-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993620-0 (accessed 2026-10-22).

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