20 August 2021 Bulletin

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Tetrachloroethylene

Tetrachloroethylene (CAS No. 127-18-4) is also known as perchloroethylene, tetrachloroethene, and 1,1,2,2-tetrachloroethene and is often abbreviated to PER or PERC. Its molecular formula is C₂Cl₄, and its relative molar mass is 165.8.

Tetrachloroethylene (CAS No. 127-18-4) is also known as perchloroethylene, tetrachloroethene, and 1,1,2,2-tetrachloroethene and is often abbreviated to PER or PERC. Its molecular formula is C₂Cl₄, and its relative molar mass is 165.8. At room temperature, tetrachloroethene is a clear, colourless liquid with an etheric odour. [1] It is nonflammable and mostly insoluble in water. [2]

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