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8.22339 EMD Millipore

Phosphoryl chloride

Phosphoryl chloride for synthesis. CAS 10025-87-3, EC Number 233-046-7, chemical formula POCl₃., for synthesis

Synonym: Phosphorus oxide trichloride, Phosphorus oxychloride

  • CAS Number 10025-87-3

  • Linear Formula Cl₃OP

  • Molecular Weight 153.33 g/mol

  •  EC Number 233-046-7



packaging   250 ml in Glass btl. pl.coat. (8223390250)
bp   105.3 °C (1013 hPa)
vapor pressure   36 hPa (20 °C)
density   1.68 g/cm3 (20 °C) DIN 51757
mp   1 - 2 °C
pH   1.0 (5 g/l, H₂O, 25 °C)
LD 50 oral   LD50 Rat 36 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (argentometric): ≥ 99.0 %
  Density (d 20 °C/ 4 °C): 1.673 - 1.677
  Identity (IR): passes test

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Safety Information

HS Code 
2812 12 00
Hazard Statement(s) 
H302: Harmful if swallowed.
H314: Causes severe skin burns and eye damage.
H330: Fatal if inhaled.
H372: Causes damage to organs through prolonged or repeated exposure if inhaled.
EUH014: Reacts violently with water.
EUH029: Contact with water liberates toxic gas.
Precautionary Statement(s) 
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Storage class 
6.1B Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK 1 slightly water endangering
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.
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Pictogram(s) 
GHS06  GHS06
Hazard Pictogram(s) 
GHS08  GHS08
Hazard Symbols 
Corrosive  Corrosive
Hazard Symbols 
Very toxic  Very toxic
Declaration (railroad and road) ADR, RID 
UN 1810 , 6.1 (8), I
Declaration (transport by air) IATA-DGR 
UN 1810 , 6.1 (8),
Declaration (transport by sea) IMDG-Code 
UN 1810 , 6.1 (8), I, Segregation Group: 1 (Acids)
Categories of danger 
very toxic, corrosive
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).
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