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Phosphorus pentachloride																				Related Pages
Synonyms & Trade Names
			Pentachlorophosphorus, Phosphoric chloride, Phosphorus perchloride
CAS No.
			10026-13-8
	RTECS No.
			TB6125000
	DOT ID & Guide
			1806 137

FormulaPCl5
	Conversion
	IDLH
			70 mg/m3See: 10026138

Exposure Limits
			NIOSH RELTWA 1 mg/m3OSHA PEL TWA 1 mg/m3
	Measurement Methods
			**NIOSH** S257 (II-5)
					
					See: NMAM or OSHA Methods
										
Physical Description
			White to pale-yellow, crystalline solid with a pungent, unpleasant odor.													
										
Molecular Weight208.3	
	Boiling PointSublimes
	Melting Point324°F (Sublimes)
	SolubilityReacts
	Vapor Pressure(132°F): 1 mmHg
	Ionization Potential?											
Specific Gravity3.60	
	Flash PointNA
	Upper Explosive LimitNA
	Lower Explosive LimitNA
Noncombustible Solid
Incompatibilities & Reactivities
			Water, magnesium oxide, chemically-active metals such as sodium & potassium, alkalis, amines
					[Note: Hydrolyzes in water (even in humid air) to form hydrochloric acid & phosphoric acid. Corrosive to metals.]
Exposure Routes
			inhalation, ingestion, skin and/or eye contact
Symptoms
			irritation eyes, skin, respiratory system; bronchitis; dermatitis
Target Organs
			Eyes, skin, respiratory system
										
Personal Protection/Sanitation
			(See protection codes) **Skin:**Prevent skin contact
							**Eyes:**Prevent eye contact
							**Wash skin:**When contaminated
							**Remove:**When wet or contaminated
							**Change:**Daily
							**Provide:**Eyewash, Quick drench
	First Aid
			(See procedures)**Eye:**Irrigate immediately
							**Skin:**Water flush immediately
							**Breathing:**Respiratory support
							**Swallow:**Medical attention immediately
Respirator Recommendations
			**NIOSH/OSHA****Up to 10 mg/m3**: (APF = 10) Any supplied-air respirator***Up to 25 mg/m3**: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode***Up to 50 mg/m3**: (APF = 50) Any self-contained breathing apparatus with a full facepiece(APF = 50) Any supplied-air respirator with a full facepiece**Up to 70 mg/m3**: (APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode**Emergency or planned entry into unknown concentrations or IDLH conditions:** (APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus**Escape:** (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister having an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters.Any appropriate escape-type, self-contained breathing apparatus
				Important additional information about respirator selection
See also
			INTRODUCTION
					  ICSC CARD: 0544
					  MEDICAL TESTS: 0189

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
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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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