Phosphorus oxychloride
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Synonyms & Trade Names
Phosphorus chloride [Phosphorus oxychloride], Phosphorus oxytrichloride, Phosphoryl chloridePhysical Description
Clear, colorless to yellow, oily liquid with a pungent & musty odor. [Note: A solid below 34°F.]Molecular Weight
153.3Boiling Point
222°FFreezing Point
34°FSolubility
DecomposesVapor Pressure
(81°F): 40 mmHgIonization Potential
?Specific Gravity
(77°F): 1.65Flash Point
NAUpper Exposive Limit
NALower Explosive Limit
NA
Noncombustible Liquid, but may set fire to combustible materials.
Incompatibilities & Reactivities
Water, combustible materials, carbon disulfide, dimethyl-formamide, metals (except nickel & lead) [Note: Decomposes in water to hydrochloric & phosphoric acids.]Exposure Routes
inhalation, ingestion, skin and/or eye contactSymptoms
irritation eyes, skin, respiratory system; eye, skin burns; dyspnea (breathing difficulty), cough, pulmonary edema; dizziness, headache, lassitude (weakness, exhaustion); abdominal pain, nausea, vomiting; nephritisTarget Organs
Eyes, skin, respiratory system, central nervous system, kidneysPersonal Protection/Sanitation
(See protection codes)Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
Change:No recommendation
Provide:Eyewash, Quick drench
First Aid
(See procedures)Eye:Irrigate immediately
Skin:Water flush immediately
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations
Not available.
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division