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Phosphorus Trichloride 97%
Phosphorus Trichloride 97%
Supplier Info
[China Supplier]
Contact Person : Ms. YU KYLE
Tel : 0086-574-86303858
Fax : 0086-574-86300538
Product Detail
It is an important industrial chemical, being used for the manufacture of organophosphorus compounds.

Purposes mainly for the manufacture of trichlofon, methamidophos, net rice blast of waw materials such as organic pesticides. The pharmaceutical industry for the production of sulfadiazine and dichloro-2 sulfone. The industrial dye color used in the production of phenol condensing agent. The chemical industry used to manufacture thiophosphoryl chloride, oxygen, phosphorous trichloride, phosphorous acids and esters of raw materials.

Properties

Density  1.574

Melting point  -112 ºC

Boiling point  76 ºC

Product Specification:

Item Top Quality     Grade-1   Quality

PCl3 %   ≥99.0    ≥98.0    ≥97.0

Free phosphours(P4)%     ≤0.0010 ≤0.0050 ≤0.010

Distillation range(105-109°C) ≥96.0    ≥95.0    ≥94.0

Appearance     Colourless transparent liquid

Uses

PCl3 is important indirectly as a precursor to PCl5, POCl3 and PSCl3. which in turn enjoy many applications in herbicides, insecticides, plasticisers, oil additives, and flame retardants.

For example oxidation of PCl3 gives POCl3, which is used for the manufacture of triphenyl phosphate and tricresyl phosphate, which find application as flame retardants and plasticisers for PVC. They are also used to make insecticides such as diazinon. Phosphonates include the herbicide glyphosate.

PCl3 is the precursor to triphenylphosphine for the Wittig reaction, and phosphite esters which may be used as industrial intermediates, or used in the Horner-Wadsworth-Emmons reaction, both important methods for making alkenes. It can be used to make trioctylphosphine oxide (TOPO), used as an extraction agent, although TOPO is usually made via the corresponding phosphine.

PCl3 is also used directly as a reagent in organic synthesis. It is used to convert primary and secondary alcohols into alkyl chlorides, or carboxylic acids into acyl chlorides, although thionyl chloride generally gives better yields than PCl3 [8] .

Precautions

PCl3 is toxic, with a concentration of 600 ppm being lethal in just a few minutes [7] . PCl3 is classified as "very toxic" and "corrosive" under EU Directive 67/548/EEC, and the risk phrases R14, R26/28, R35 and R48/20 are obligatory.

Packing: 200L, 1000L

Phosphorus Trichloride 97%

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