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Phosphorus trichloride Structure

Phosphorus trichloride

Chemical Properties

Melting point -112 °C
Boiling point 74-78 °C(lit.)
Density  1.574 g/mL at 25 °C
vapor density  4.75 (vs air)
vapor pressure  23.32 psi ( 55 °C)
refractive index  n20/D 1.5148(lit.)
Flash point 76°C
storage temp.  Store at RT.
solubility  Soluble in benzene, carbon sulfide, ether, chloroform, carbon tetrachloride.
form  Liquid
color  Yellow
Specific Gravity approximate 1.6
Odor Pungent, irritating odor
PH Range 1
Water Solubility  reacts
Sensitive  Moisture Sensitive
Merck  14,7358
BRN  969177
Exposure limits TLV-TWA 1.12 mg/m3 (0.2 ppm) (ACGIH), 2.8 mg/m3 (0.5 ppm) (OSHA).
Dielectric constant 3.7(18℃)
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.
CAS DataBase Reference 7719-12-2(CAS DataBase Reference)
NIST Chemistry Reference Phosphorus trichloride(7719-12-2)
EPA Substance Registry System Phosphorus trichloride (7719-12-2)

Safety Information

Hazard Codes  T+,C
Risk Statements  14-26/28-29-35-48/20-40-37
Safety Statements  26-36/37/39-45-7/8-43-28
RIDADR  UN 3390 6.1/PG 1
WGK Germany  2
RTECS  TH3675000
21
TSCA  Yes
HazardClass  6.1
PackingGroup  I
HS Code  28121043
Hazardous Substances Data 7719-12-2(Hazardous Substances Data)
IDLA 25 ppm

MSDS

Usage And Synthesis

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