Dimethyl disulfide (DMDS)

Post Date:
Nov 13,2018
Expiry Date:
Nov 13,2019
Detailed Description:
Cas No. :624-92-0 Specs:99.6%min
Product name: Dimethyl disulfide (DMDS)
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.
CAS Registry Number:
624-92-0
Synonyms:
;Dimethyldisulfide;Dimethyl disulphide;Dimethyl disulfide;Methyl disulphide;DMDS;(methyldisulfanyl)methane;Dimethyldisulfane;Dimethyl Disulfide DMDS;
Molecular Formula:
C₂H₆S₂
Molecular Weight:
94.199
Molecular Structure:
Hazard Symbols:
F:Flammable;
T+:Very toxic;
N:Dangerous for the environment;
Risk Codes:
R11:;
R22:;
R26:;
R36/37/38:;
R51/53:;
Safety Description:
S16:;
S26:;
S28A:;
S36/37/39:;
S38:;
S45:;
S61:;