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Phosphorus oxychloride																				Related Pages
Synonyms & Trade Names
			Phosphorus chloride [Phosphorus oxychloride], Phosphorus oxytrichloride, Phosphoryl chloride
CAS No.
			10025-87-3
	RTECS No.
			TH4897000
	DOT ID & Guide
			1810 137

FormulaPOCl3
	Conversion
			1 ppm = 6.27 mg/m3
	IDLH
			N.D.See: IDLH INDEX

Exposure Limits
			NIOSH RELTWA 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 Weight153.3	
	Boiling Point222°F
	Freezing Point34°F
	SolubilityDecomposes
	Vapor Pressure(81°F): 40 mmHg
	Ionization Potential?											
Specific Gravity(77°F): 1.65	
	Flash PointNA
	Upper Explosive LimitNA
	Lower Explosive LimitNA
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

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
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Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
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