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Pentaerythritol

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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
Formula
C(CH₂OH)₄
Conversion
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
TWA 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 Weight
136.2
Boiling Point
Sublimes
Melting Point
500°F (Sublimes)
Solubility
(59°F): 6%
Vapor Pressure
0.00000008 mmHg
Ionization Potential
?
Specific Gravity
1.38
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