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Pentaerythritol																				Related Pages
Synonyms & Trade Names
			2,2-bis(Hydroxymethyl)-1,3-propanediol, Methane tetramethylol, Monopentaerythritol, PE, Tetrahydroxymethylolmethane, Tetramethylolmethane
CAS No.
			115-77-5
	RTECS No.
			RZ2490000
	DOT ID & Guide

FormulaC(CH2OH)4
	Conversion
	IDLH
			N.D.See: IDLH INDEX

Exposure Limits
			NIOSH RELTWA 10 mg/m3 (total) TWA 5 mg/m3 (resp)
					OSHA PEL TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp) See Appendix G
	Measurement Methods
			**NIOSH** 0500 , 0600
					
					See: NMAM or OSHA Methods
										
Physical Description
			Colorless to white, crystalline, odorless powder.
					[Note: Technical grade is 88% monopentaerythritol & 12% dipentaerythritol.]													
										
Molecular Weight136.2	
	Boiling PointSublimes
	Melting Point500°F (Sublimes)
	Solubility(59°F): 6%
	Vapor Pressure0.00000008 mmHg
	Ionization Potential?											
Specific Gravity1.38	
	Flash Point?
	Upper Explosive Limit?
	Lower Explosive Limit?
Combustible Solid
Incompatibilities & Reactivities
			Organic acids, oxidizers
					[Note: Explosive compound is formed when a mixture of PE & thiophosphoryl chloride is heated.]
Exposure Routes
			inhalation, ingestion, skin and/or eye contact
Symptoms
			irritation eyes, respiratory system
Target Organs
			Eyes, respiratory system
										
Personal Protection/Sanitation
			(See protection codes) **Skin:**No recommendation
							**Eyes:**No recommendation
							**Wash skin:**No recommendation
							**Remove:**No recommendation
							**Change:**No recommendation
	First Aid
			(See procedures)**Eye:**Irrigate immediately
							**Skin:**Water wash
							**Breathing:**Fresh air
							**Swallow:**Medical attention immediately
Respirator Recommendations
			Not available.
				Important additional information about respirator selection
See also
			INTRODUCTION

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
Search the Pocket Guide
Chemical Names, Synonyms and Trade Names
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G
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M
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CAS Numbers
RTECS Numbers
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
First Aid Procedures Follow NIOSH Facebook
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