Dimethyl Disulfide

 

Synonyms: 2,3-Dithiabutane; Methyl disulfide; (methyldithio)methane;  

DMDS; (Methyldisulfanyl)methane; Disulfuro de dimetilo (Spanish); Disulfure de diméthyle (French);  

Chemical formula: (CH3S)2    Molecular Weight: 94.19  CAS No.:  624-92-0

 

Appearance : Pale yellow liquid

Melting Point : -84.72°C

Boiling Point : 116~118°C

Vapour Pressure (25°C) : 28.6 mmHg

Specific Gravity (20°C) : 1.062 g/cm3

Flash Point : 16°C

Explosion Limits : Lower: 1.1% (volume in air) Upper: 16.1% (volume in air)

 

Specification

Appearance Colorless or light yellow liquid

Purity 99.6% min

Sulphur content 68.0~68.3%

Methyl Mercaptan 0.1% max

Density (20/4℃) 1.062~1.063

Water content 0.06% max

Flash point (CC) 15℃ min

Boiling point(760 mm Hg) 109~110℃

Molecular weight 94.2

 

Usage:

In oil refining industry, widely used as activator in preliminary vulcanization procedure of catalyzers in certain products' (including naphtha, gasoline, kerosene, diesel soil) hydrodesulfurization, hydrocracking process; anti-coking agents for steam crackers and hydrofining units; intermediate of pesticide; organic synthesis; as solvent, softening agent and plasticizer in rubber industry; additive in fuel and lubricant; metallurgy for its anti-corrosion properties.

 

 

Packing, Storage, Delivery:

Hazard Class: 3
UN No.:2381
Packing Group: II, 200kg/steel drum

Isotank: 20MT~25MT per isotank in bulk.