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LC4702 Phosphorus trichloride
for synthesis


Order number Packaging Quantity Price €
AC31702 Glass bottle 100 ml 12.42
AC31702 Glass bottle 500 ml 16.02
AC31702 Glass bottle 2.5 l 52.2


Product information
Synonyms Phosphorus(III) chloride
Hill Formula Cl3P
Chemical formula PCl3
HS Code 2812 10 15
EC number 231-749-3
Molar mass 137.33 g/mol
EC index number 015-007-00-4
CAS number 7719-12-2


Chemical and physical data
Solubility (20 °C) (rigorous decomposition)
Melting point -94 °C
Molar mass 137.33 g/mol
Density 1.57 g/cm3 (20 °C)
pH value 1 (5 g/l, H2O, 20 °C)
Boiling point 76 °C (1013 hPa)
Vapor pressure 131 hPa (20 °C)


Safety information
R Phrase R 14-26/28-35-48/20
Reacts violently with water.Very toxic by inhalation and if swallowed.Causes severe burns.Harmful: danger of serious damage to health by prolonged exposure through inhalation.
S Phrase S 7/8-26-36/37/39-45
Keep container tightly closed and dry.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger very toxic, corrosive
Hazard Symbol

Very toxic


RTECS TH3675000
Storage class Non combustible substances, toxic
WGK WGK 1 slightly water endangering


Transport information
Declaration (transport by sea) IMDG-Code UN 1809 PHOSPHORUS TRICHLORIDE, 6.1 (8), I, Segregation Group: 1 (Acids)
Declaration (transport by air) IATA-DGR UN 1809 PHOSPHORUS TRICHLORIDE, 6.1 (8),


Toxicological data
LD 50 oral LD50 rat 18 mg/kg


Assay (argentometric) ≥ 99 %
Density (d 20 °C/ 4 °C) 1.572 – 1.574