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Phosphorus oxychloride

Details for Phosphorus oxychloride

Phosphorus oxychloride


Organic chemicals and Derivatives

Phosphorus oxychloride
CAS NO: 10025-87-3
EC NO: 233-046-7
Molecular Formula: Cl3OP
Molecular Weight: 153.33216
InChI: InChI:1S/Cl3OP/c1-5(2,3)4
Product description:

Physicochemical properties

Color and smell status: colorless smoky liquid with pungent odor

Toxicity: Poisoning     

Flammability: non-flammable      

Density: 1.675

Volatility: Volatile

Corrosion: strong corrosion

Boiling point: 105.8℃     

Stability: unstable     

Melting point: 1.25℃   

Alkalinity or acidity:acidity

Deliquescence: easy to decompose 

Flash point: 105.8 ℃ 

Solubility: soluble in alcohol, soluble in water

Moisture absorption: exposed to moist air, hydrolyzed to phosphoric acid and hydrogen chloride     


Used in plasticizers, pesticides, dye intermediates, chlorinating agents, catalysts, and flame retardants. Uses of electronic grade phosphorus oxychloride are mainly used for N-type dopant sources in the solar energy industry, integrated circuits, separation devices, and the semiconductor industry. The reaction effect is best at 0°C.

Hazard category

Class 6.1 Toxic and Class 8 Dangerous Goods

Fire-fighting measures

Fire extinguishing method: fire extinguishing agent: dry powder, dry sand. Prohibition of water

Emergency treatment

Skin contact: Take off contaminated clothing immediately and rinse with plenty of running water for at least 15 minutes. Seek medical attention

Eye contact: Lift the eyelid immediately, and rinse thoroughly with plenty of running water or normal saline for at least 15 minutes. Seek medical attention

Inhalation: quickly leave the scene to a place with fresh air. Keep the airway unobstructed. If breathing is difficult, give oxygen. If breathing stops, give artificial respiration immediately. Seek medical attention

Ingestion: Rinse mouth with water, gastric lavage for those with no symptoms of corrosion. Avoid taking oils. Seek medical attention

Packaging, storage, transportation

Plastic drums of 300 kg/drum, stored in a cool, dry and well-ventilated warehouse. Keep away from fire and heat sources. The storage temperature does not exceed 25℃, and the relative humidity does not exceed 75%. The packaging must be sealed and protected from moisture. Mixed shipment and transportation with reducing agents, active metal powders, alcohols, edible chemicals, etc. are strictly prohibited. Transport as required by dangerous goods

Synonyms: Fosforoxychlorid;Oxychlorid fosforecny;oxychloridfosforecny;Phosphoroxidchlorid;Phosphortrichloridoxid;Phosphorus chloride oxide (POCl3);Phosphorus oxytrichloride;Phosporus Oxychloride;phosphoric trichloride;Phosporus Oxychoride;phosphoryl trichloride;
Molecular Structure: Phosphorus oxychloride 10025-87-3
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