Product Name: Methanesulfonyl chloride

CAS#: 124-63-0

Synonym: Methyl sulfonyl chloride, Mesyl chloride

Chemical Formula: CH3SO2Cl

Molecular Weight: 114.55 g/mol

Description: Methanesulfonyl chloride appears as a pale yellow corrosive liquid. More dense than water and insoluble in water. Very toxic by ingestion, inhalation, or skin absorption.

Colour: Pale yellow liquid

Density: 1.4805 at 18 °C/4 °C

Solubility: Soluble in most organic solvents.

Solubility in water: Reaction

Freezing point: -32 °C

Boiling point: 62 °C at 18 mm Hg; 161 °C at 730 mm Hg

Flash point: 110 °C

UN Number: 3246

Purity: 99%

Uses: Most applications of methanesulfonyl chloride are as intermediates in the photographic, fiber dye, agricultural, and pharmaceutical industries. There are also some miscellaneous uses as a stabilizer, catalyst, curing agent, and chlorinating agent.


Product Name: Dimethyl disulfide

CAS#: 624-92-0


Chemical Formula: C2H6S2 / CH3 S S CH3

Molecular Weight: 94.20 g/mol

Description: Dimethyl disulfide appears as a colorless oily liquid with a garliclike odor. Denser than water and slightly soluble in water. Vapors heavier than air. May irritate skin and eyes. Used to make other chemicals.

Physical state: Colorless, oily liquid with a garlic-like odor; Strong, nauseating odor; Clear light yellow liquid with a stench

Colour: Colorless to pale-yellow liquid

Density: 1.0625 g/cu cm at 20°C

Solubility: Insoluble in water, miscible with ethanol, ethyl ether, completely miscible with most organic solvents, soluble in alcohol and oils.

Melting point: -85°C

Boiling point: 110°C

Flash point: 10°C

UN Number: 2381

HS Code: 29209099

Purity: 99.5%

Uses: Used as a chemical intermediate: Released in Kraft pulping to make paper; Also used as a gas well down hole process aid; Proposed to replace methyl mercaptan as a jet fuel additive; Occupational exposure also occurs at sewage treatment plants. It occurs naturally in many foods. Also used as a sulfiding agent in refineries, a solvent for sulfur, to reduce coke deposits in the petrochemical industry, an artificial flavoring agent, and a corrosion inhibitor.

Industrial Processes: Petroleum Production and Refining with risk of exposure, Sewer and Wastewater Treatment, Farming (Feed Additives)

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