NIOSH Pocket Guide to Chemical Hazards

Pentaerythritol CAS 115-77-5
C(CH2OH)4 RTECS RZ2490000
Synonyms & Trade Names
2,2-bis(Hydroxymethyl)-1,3-propanediol; Methane tetramethylol; Monopentaerythritol; PE; Tetrahydroxymethylolmethane; Tetramethylolmethane
DOT ID & Guide
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)
IDLH N.D. See: IDLH INDEX Conversion
Physical Description
Colorless to white, crystalline, odorless powder. [Note: Technical grade is 88% monopentaerythritol & 12% dipentaerythritol.]
MW: 136.2
BP: Sublimes
MLT: 500°F (Sublimes)
Sol(59°F): 6%
VP: 0.00000008 mmHg
IP: ?

Sp.Gr: 1.38
Fl.P: ?
UEL: ?
LEL: ?

Combustible Solid
Incompatibilities & Reactivities
Organic acids, oxidizers [Note: Explosive compound is formed when a mixture of PE & thiophosphoryl chloride is heated.]
Measurement Method
Filter; none; Gravimetric; IV [Particulates NOR: #0500 (total), #0600 (respirable)] See: NMAM INDEX
Personal Protection & Sanitation
Skin: N.R.
Eyes: N.R.
Wash skin: N.R.
Remove: N.R.
Change: N.R.

First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water wash
Breathing: Fresh air
Swallow: Medical attention immediately
Respirator Recommendations To be added later
Exposure Routes inhalation, ingestion, skin and/or eye contact
Symptoms irritation eyes, respiratory system
Target Organs Eyes, respiratory system
See also: INTRODUCTION