Tetrachloroethylene, also known as perchloroethylene, is an organic chemical that is widely used in dry cleaning and metal degreasing, and is also used in the manufacture of other chemicals and consumer products. It is a non-flammable liquid at room temperature. It is easy to volatilize and has a stimulating sweet taste. Many people can smell when the air contains one part per million of tetrachloroethylene. In 1821, Michael Faraday heated hexachloroethane for the first time to decompose it into tetrachloroethylene and chlorine. Specification Control LCCN: sh95000495 GND: 4184861-5 NDL: 01120522
CAS No.: 127-18-4
Molecular formula: C2Cl4
Molecular weight: 165.83300
Exact quality: 163.875500
Appearance and traits: colorless liquid with ether-like odor density: 1626.69 ± 0.01 kg / m3 at 20 ° C (range 10-50 ° C) Melting point: -22 ° C Freezing point: -22.0 ° C Boiling point: 121 ° C ( L.. Flash point: 120-121 ° C Refractive index: n20/D 1.505 (lit.) Stability: Stable. Incompatible with strong oxidizing agents, alkali metals, aluminium, strong bases. Storage conditions: warehouse ventilation and low temperature drying, and Oxidizers and food Additives should be stored separately. Stabilizers should be added for storage. For example, hydroquinone vapor pressure: 19.3mmHg at 25°C. Steam density: 5.83 (vs air)
Signal word: warning
Hazard statement: H315; H317; H319; H336; H351; H411
Cautionary statement: P273; P280; P304 + P340 + P312; P333 + P313; P337 + P313; P391
Packing level: III
Hazard category: 6.1
Customs code: 2903230000
Dangerous goods transport code: UN 1897 6.1/PG 3
WGK Germany: 3
Hazard Category Code: R40; R51/53
Safety instructions: S23-S36/37-S61-S45-S24-S16-S7
RTECS number: KX3850000
Dangerous goods sign: Xn
1. Tetrachloroethylene is widely used as an organic solvent, a dry cleaning agent, a metal degreasing solvent, and also as an anthelmintic drug. Tetrachloroethylene can be used as a fat extractant, fire extinguishing agent and smoke screen agent, and can also be used for synthesizing trichloroethylene and fluorine-containing organic compounds.
2. Widely used as a dry cleaning agent for natural and synthetic fibers. It is also used as a degreasing detergent for metals, a desiccant, a paint stripper, an insect repellent, a general solvent, an organic synthesis intermediate, and the like.
3. Used as a solvent, chromatographic standard, dry cleaning agent, also used in organic synthesis. ...
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