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Phosphorus oxychloride

Synonyms & Trade Names
Phosphorus chloride [Phosphorus oxychloride], Phosphorus oxytrichloride, Phosphoryl chloride
CAS No.
10025-87-3
RTECS No.
TH4897000
DOT ID & Guide
1810 137
Formula
POCl3
Conversion
1 ppm = 6.27 mg/m3
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
TWA 0.1 ppm (0.6 mg/m3) ST 0.5 ppm (3 mg/m3)
OSHA PEL
none See Appendix G
Measurement Methods
None available
See: NMAM or OSHA Methods
Physical Description
Clear, colorless to yellow, oily liquid with a pungent & musty odor. [Note: A solid below 34°F.]
Molecular Weight
153.3
Boiling Point
222°F
Freezing Point
34°F
Solubility
Decomposes
Vapor Pressure
(81°F): 40 mmHg
Ionization Potential
?
Specific Gravity
(77°F): 1.65
Flash Point
NA
Upper Exposive Limit
NA
Lower 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 contact
Symptoms
irritation eyes, skin, respiratory system; eye, skin burns; dyspnea (breathing difficulty), cough, pulmonary edema; dizziness, headache, lassitude (weakness, exhaustion); abdominal pain, nausea, vomiting; nephritis
Target Organs
Eyes, skin, respiratory system, central nervous system, kidneys
Personal 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.

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 0190
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