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Dimethyl disulfide

Also known as: DMDS, Methyl disulfide, Methyldithiomethane, (Methyldisulfanyl)methane, 1,2-dimethyldisulfane, 2,3-Dithiabutane, Methyl disulphide, Dimethyl disulphide, Disulfide, dimethyl, Methyldisulfide

Dimethyl disulfide (CAS 624-92-0) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C2H6S2 and a molecular weight of 94.199 g/mol. Key properties include a melting point of -85 °C, a boiling point of 109.7±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 24.4±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
624-92-0
Jingsj CID
J-42564-1
Molecular Formula
C2H6S2
Molecular Weight
94.199 g/mol
Category
Ethers
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-85 °C
Boiling Point109.7±0.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point24.4±0.0 °C
Exact Mass93.991089
PSA50.60000
LogP1.77
Additional Property3.24 (vs air)
Vapor Pressure28.7±0.2 mmHg at 25°C
Refractive Index1.522
Additional Property<0.1 g/100 mL at 20 ºC

GHS Safety & Compliance

Flammable / Acute Toxicity / Environmental HazardSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H319 — Causes serious eye irritation
  • H331 — Toxic if inhaled
  • H335 — May cause respiratory irritation
  • H411 — Toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code2930909090
Summary2930909090. 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 Dimethyl disulfide?

The CAS number of Dimethyl disulfide is 624-92-0.

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

Dimethyl disulfide has molecular formula C2H6S2 and molecular weight 94.199 g/mol.

Is Dimethyl disulfide hazardous?

Dimethyl disulfide has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H319 — Causes serious eye irritation.

What are the upstream and downstream products of Dimethyl disulfide?

For Dimethyl disulfide, Upstream Products: Methanol, Methanethiol, 2-Phenylacetophenone; Downstream Products: Methyl propyl sulfide, (Methylthio)trimethylsilane, 3-Chlorothioanisole.

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

Last updated:

How to cite: Jingsj. "Dimethyl disulfide (CAS 624-92-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42564-1 (accessed 2026-11-06).

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