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Phosphorus oxychloride

Synonyms & Trade Names
Phosphorus chloride, 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
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.]
MW:
153.3
BP:
222°F
FRZ:
34°F
Sol:
Decomposes		 VP(81°F): 40 mmHg
IP:
?
Sp.Gr(77°F): 1.65
Fl.P:
NA
UEL:
NA
LEL:
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   See ICSC CARD: 0190
 

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