Properties & Applications & PackagesInquiry

Product Overview

Dimethyl disulfide (DMDS) — chemical CAS 624-92-0 (also spelled dimethyl disulphide, dimethyldisulphide or dimethyldisulfid) — is a colorless to pale-yellow liquid with a very strong sulfurous/garlic-like odor. DMDS is widely used as a sulfiding/sulfur-donor agent in petroleum refining and catalyst activation, a sulfur source in agrochemical formulations, and as an intermediate in specialty organosulfur chemistry.
A colorless oily liquid with a garlic-like odor. Denser than water and slightly soluble in water. Flash point 40°F. Vapors heavier than air. May irritate skin and eyes.

Typical Properties

Melting Point	-85 °C
Boiling Point	109 °C(lit.)
Density	1.0625
Vapor Density	3.24 (vs air)
Vapor Pressure	22 mm Hg ( 20 °C)
Refractive Index	n20/D 1.525(lit.)
FEMA	3536 \| DIMETHYL DISULFIDE
Fp	76 °F
Storage Temp.	Flammables area
Solubility	2.7g/l
Form	Liquid
Color	Clear yellow
Specific Gravity	1.0647 (20/4℃)
Odor	at 0.10 % in propylene glycol. sulfurous vegetable cabbage onion
Odor Threshold	0.0022ppm
Odor Type	Sulfurous
Biological Source	Rabbit
Explosive Limit	1.1-16.1%(V)
Water Solubility	<0.1 g/100 mL at 20 ºC

Key Applications & Benefits

Petrochemical & refining: DMDS is used as a sulfiding agent to activate catalysts (hydrodesulfurization catalyst preparation) and as a sulfur additive in process streams.
Agrochemicals & synthesis: sulfur donor and intermediate in manufacture of sulfur-containing agrochemicals and specialty organosulfur compounds.
Chemical synthesis: reagent for thiolation, cross-linking and as a building block in fine chemicals.
Odorant / fumigant uses: (limited/regulated) — check local regs before use.
It is used as solvent, intermediate of pesticides. In Oil refining industry, widely used as activator in preliminary vulcanization procedue of catalyzersused in certain products(including naphtha, gasoline, kerosine, diesel oil) hydrodesul furizalion droforming and hydrocracking process. In agricultural chemistry, used to prepare Fenthion.

Benefits: reliable sulfur content, predictable reactivity, and broad compatibility with hydrocarbon process streams.

Packaging, Grades & Supply

Packing: 200 kg steel drums, ISO tanks and bulk tanker shipments for large volumes.200kg net UN-approved plastic drum; 200kg net iron drum; 21~23m³ ISO Tank.
Grades: industrial / technical solvent-grade; high-purity grades available on request.
Documentation: COA, MSDS and TDS provided for each lot; pre-shipment inspection accepted.

Safety & Handling

DMDS is flammable, has a very strong odor, and can be an irritant. Use chemical-resistant gloves, goggles and chemical-resistant clothing. Ensure good ventilation or closed handling systems; avoid release to the environment. Refer to MSDS for full hazard classification, first aid and firefighting measures. Regulatory restrictions or workplace exposure limits may apply — check local rules before use.

Why buy from Greenchem International?

Reliable global supply chain and batch traceability with COA.
Flexible packaging from sample drums to ISO tankers; competitive dimethyl disulfide price and wholesale options.
Technical support for catalyst sulfiding, agrochemical intermediates and process integration.

Ordering & Inquiry

To buy Dimethyl Disulfide (DMDS, CAS 624-92-0) or request COA, MSDS and a competitive dimethyl disulfide price, please tell us required grade, quantity and delivery port. We will reply with availability, lead time and a tailored quotation. Request a sample or quote now.

Dimethyl disulfide, DMDS