The chemical substance corresponding to CAS 624-92-0 is dimethyl disulfide (Dimethyl Disulfide, abbreviated as DMDS), a common organic sulfur compound. Below is a brief overview of its key information:

1. Basic Identification Information
Chinese alternative names: dimethyl disulfide, dimethyl sulfide, methylated disulfide
Molecular formula: C₂H₆S₂
Molecular weight: 94.20
EINECS No.: 210-871-0
UN No.: 2381

II. Core Physical Properties
Appearance and Odor: Colorless to pale yellow, transparent oil-like liquid with a pungent odor resembling garlic
Density: 1.0625 g/mL (20°C)
Melting point: -85°C
Boiling point: 109.6°C (at standard pressure)
Flash point: 24°C
Solubility: Practically insoluble in water, miscible with organic solvents such as ethanol, ether, and acetic acid
Steam characteristics: The density of steam is greater than that of air, and it exhibits strong volatility

III. Primary Uses
Pre-sulfidation agent for petroleum hydrodesulfurization catalysts and anti-coking additive for petroleum catalytic cracking processes
Pesticide intermediates, used for synthesizing organophosphorus insecticides such as thiodicarb and dimethoate
Industrial solvents, catalysts, and purification agents
The edible flavorings permitted for use in China can also serve as odor reference standards

IV. Safety and Risk Characteristics
It belongs to highly flammable liquids and can be easily ignited by heat sources, sparks, or open flames
Swallowing or inhaling is toxic, irritating the eyes, skin, and upper respiratory tract, and may cause allergic reactions
It is highly toxic to aquatic organisms and poses long-term environmental hazards
Store in airtight containers in a cool, dry place, away from oxidizers, strong alkalis, and strong reducing agents, and strictly isolate from ignition sources

Specification
Content: 99.5% min
water: 0.1% max
Dimethyl sulfide: 0.1% max
Methyl mercaptan: 0.05% max
Sulphur content: 68.1%

Packing
200kg/drum, 80 drums=16mt/20”FCL

Products :

CAS 624-92-0 (Dimethyl Disulfide DMDS 99.5%MIN, C2H6S2)
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