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phosphorus trichloride

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Origin: China

Cas No: 7719-12-2

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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CAS No.: 7719-12-2 Formula: Cl3P Molecular Weight: 137.33300

Description

Phosphorus trichloride is a chemical compound of phosphorus and chlorine, having the chemical formula PCl3. It has a trigonal pyramidal shape. It is the most important of the three phosphorus chlorides. It is an important industrial chemical, being used for the manufacture of organophosphorus compounds for a wide variety of applications. It has a 31P NMR signal at around +220 ppm with reference to a phosphoric acid standard.

Basic Info

Chemical Name	phosphorus trichloride
Synonyms	Trichlorophosphine; phosphorus trichoride; Phosphorous trichloride; Phosphorus(III) chloride; Phosphorus chloride; phosporus trichloride; Phosphine,trichloro; Phosphorous chloride; Phosphorus chloride (PCl3); PCl3; trichlorophosphane;
CAS No.	7719-12-2
Molecular Formula	Cl3P
Molecular Weight	137.33300
PSA	13.59000
LogP	2.92970

Properties

Appearance & Physical State	Clear liquid
Density	1.574
Boiling Point	76ºC
Melting Point	-112ºC
Flash Point	none
Refractive Index	n20/D 1.5148(lit.)
Water Solubility	reacts
Stability	Stable, but light sensitive. Incompatible with water, many metals, fluorine, acids, variety of organic materials including acids, alcohols and reducing agents. Reaction with water is violent and yields toxic gas.
Storage Condition	Store at RT.
Vapor Density	4.75 (vs air)
Vapor Pressure	23.32 psi ( 55 °C)

Safety Info

RTECS	TH3675000
Hazard Class	6.1
Safety Statements	S7/8-S26-S36/37/39-S45
HS Code	2812104300
Packing Group	I
WGK Germany	2
RIDADR	UN 1809
Risk Statements	R14; R26/28; R35; R40; R48/20
Hazard Codes	C
Signal Word	Danger
Supplemental Hazard Statements	Contact with water liberates toxic gas; Reacts violently with water.
Hazard Declaration	H301; H314; H330; H335; H336; H351; H373
Symbol	GHS05, GHS06, GHS08
Caution Statement	P260; P280; P284; P301 + P310; P305 + P351 + P338; P310

Synthesis Route

Phosphorus tribromide→dibromine+phosphorus trichloride
tetraphosphorus+Iodine monochloride→dichloro(iodo)phosphane+chloro(diiodo)phosphane
trichloro(dichlorophosphanylimino)-λ<sup>5</sup>-phosphane+hydrogen sulfide→dichlorothiophosphoric acid amide+phosphorus trichloride

Precursor

dichlorine
tetraphosphorus
phosphoryl trichloride
tetrakistrichlorophosphinenickel(0)

Downstream Product

Dibutyl phosphite
N-chloro-1-phenylmethanimine
dicyanophosphanylformonitrile
dibutyl chlorophosphite

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