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LC4704 Phosphoryl chloride
for synthesis


Order number Packaging Quantity Price €
AC31704 Glass btl. pl.coat. 250 ml 15.75
AC31704 Glass btl. pl.coat. 1 l 12.15
AC31704 Safebreak btl. 2.5 l 63.45


Product information
Synonyms Phosphorus oxide trichloride, Phosphorus oxychloride
Hill Formula Cl3OP
Chemical formula POCl3
HS Code 2812 10 11
EC number 233-046-7
Molar mass 153.33 g/mol
EC index number 015-009-00-5
CAS number 10025-87-3


Chemical and physical data
Solubility (20 °C) Risk of violent reaction.
Melting point 1 – 2 °C
Molar mass 153.33 g/mol
Density 1.68 g/cm3 (20 °C) DIN 51757
pH value 1.0 (5 g/l, H2O, 25 °C)
Boiling point 105.3 °C (1013 hPa)
Vapor pressure 36 hPa (20 °C)


Safety information according to GHS
Hazard Statement(s) H330: Fatal if inhaled.
H302: Harmful if swallowed.
H314: Causes severe skin burns and eye damage.
H372: Causes damage to organs through prolonged or repeated exposure.
EUH014: Reacts violently with water.
EUH029: Contact with water liberates toxic gas.
Precautionary Statement(s) P233: Keep container tightly closed.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P301 + P330 + P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word Danger
Hazard Pictogram(s)

RTECS TH4897000
Storage class NNon combustible substances, toxic
WGK WGK 1 slightly water endangering
Disposal 24
Liquid inorganic halides and hydrolysis-sensitive reagents can be carefully stirred dropwise into ice-cool 10% sodium hydroxide solution (Cat. No. 105587) (caution: caustic gases!); container D or E.


Safety information
R Phrase R 14-22-26-35-48/23-29
Reacts violently with water.Harmful if swallowed.Very toxic by inhalation.Causes severe burns.Toxic: danger of serious damage to health by prolonged exposure through inhalation.Contact with water liberates toxic gas.
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



Transport information
Declaration (transport by sea) IMDG-Code UN 1810 PHOSPHORUS OXYCHLORIDE, 8, II, Segregation Group: 1 (Acids)
Declaration (transport by air) IATA-DGR UN 1810 PHOSPHORUS OXYCHLORIDE, 8,


Assay (argentometric) ≥ 99 %
Density (d 20 °C/ 4 °C) 1.673 – 1.677
Identity (IR) ≤ 56 °C