Girish Mahajan

Hexachloroethane

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Appearance  colorless crystals
Molar mass  236.74 g/mol
Density  2.09 g/cm³
Formula  C2Cl6
Boiling point  187 °C
Hexachloroethane FileHexachloroethane2Dplainpng Wikimedia Commons

M116a1 155mm hexachloroethane hc smoke projectile


Hexachloroethane, also known as perchloroethane (PCA), C2Cl6, is a white crystalline solid at room temperature with a camphor-like odor. It has been used by the military in smoke compositions, such as base-eject smoke munitions (smoke grenades).

Contents

Hexachloroethane httpsuploadwikimediaorgwikipediacommonsthu

M116a1 155mm hexachloroethane hc smoke projectile


Manufacture

Hexachloroethane Foundry Chemicals Hexachloroethane Manufacturer from Mumbai

Hexachloroethane is a byproduct of many industrial chlorination processes. It is currently being manufactured directly in India. The overall reaction is shown below. This reaction occurs stepwise.

C2H6 + 6 Cl2 → C2Cl6 + 6 HCl

Applications

Hexachloroethane hexachloroethane Critically Evaluated Thermophysical Property

Hexachloroethane has been used in the formulation of extreme pressure lubricants. It has also been used as a chain transfer agent in the emulsion polymerization of propylene tetrafluoroethylene copolymer. Hexachloroethane has been used as an anthelmintic in veterinary medicine, a rubber accelerator, a component of fungicidal and insecticidal formulations as well as a moth repellant and a plasticizer for cellulose esters.

Hexachloroethane HEXACHLOROETHANE Cl3CCCl3 PubChem

Smoke grenades, called hexachloroethane (HCE) smoke or HC smoke, utilize a mixture containing roughly equal parts of HCE and zinc oxide and approximately 6% granular aluminium. These smokes are toxic, which is attributed to the production of zinc chloride (ZnCl2).

Hexachloroethane Hexachloroethane C2Cl6 ChemSpider

Hexachloroethane has been used manufacture degassing pellets to remove hydrogen gas bubbles from molten aluminum in aluminum foundries. This use, as well as similar uses in magnesium, is being phased out in the European Union. It was phased out as early as 1999 in the United States.

Toxicity

Hexachloroethane Foundry Chemicals Hexachloroethane Manufacturer from Mumbai

Hexachlorethane is not particularly toxic when taken orally, but is considered to be quite toxic by skin adsorption. The primary effect is depression of the central nervous system. The IDLH is given as 300 ppm and the OSHA PEL is 1 ppm (skin). It is reasonably anticipated to be a carcinogen.

Hexachloroethane 67721HexachloroethaneSigma AldrichPerchloroethane

References

Hexachloroethane Wikipedia


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