Search results
Results from the WOW.Com Content Network
Tetrachloroethylene, also known as perchloroethylene [a] or under the systematic name tetrachloroethene, and abbreviations such as perc (or PERC), and PCE, is a chlorocarbon with the formula Cl 2 C=CCl 2. It is a non-flammable, stable, colorless and heavy liquid widely used for dry cleaning of fabrics.
The exposure to tetrachloroethylene in a typical dry cleaner is considered far below the levels required to cause any risk. [11] It is estimated that 50% to 70% of dry cleaners in the US were using PCE as of 2012. [7] Alternative solvents are available, but these may require major changes in equipment, procedures, and operator training. [7]
Two carcinogenic chemicals used in cleaning products and other common household goods have been banned in the U.S., the Environmental Protection Agency (EPA) announced in a Dec. 9 press release ...
The handling of this chemical may incur notable safety precautions. It is highly recommended that you seek the Material Safety Datasheet for this chemical from a reliable source such as SIRI, and follow its directions.
Tetrachloroethylene carbonate is a carbonate ester with the chemical formula C 2 Cl 4 O 2 CO. It is produced by the photochlorination of ethylene carbonate. It has been used as precursor for oxalyl chloride. [3] Tetrachloroethylene carbonate acts as a Lewis base and it forms a complex with the Lewis acid antimony pentachloride. [4]
Tetrachloroethylene oxide, perchloroethylene oxide (PCEO) or tetrachlorooxirane, is the perchlorinated analogue of ethylene oxide and a proposed metabolite of tetrachloroethylene. [3] It is a halogenated epoxide with the formula C 2 Cl 4 O. Tetrachloroethylene oxide is fairly stable but rearranges to trichloroacetyl chloride at higher ...
Carbon tetrachloride was the first chlorinated solvent to be used in dry-cleaning and was used until the 1950s. [46] It had the downsides of being corrosive to the dry-cleaning equipment and causing illness among dry-cleaning operators, and was replaced by trichloroethylene, tetrachloroethylene [46] and methyl chloroform (trichloroethane). [47]
A laundry symbol, also called a care symbol, is a pictogram indicating the manufacturer's suggestions as to methods of washing, drying, dry-cleaning and ironing clothing. Such symbols are written on labels, known as care labels or care tags, attached to clothing to indicate how a particular item should best be cleaned. While there are ...