NIOSH Publication No. 2005-151:

NIOSH Pocket Guide to Chemical Hazards

September 2005

2-Hydroxypropyl acrylate

CAS
999-61-1

CH2=CHCOOCH2CHOHCH3

RTECS
AT1925000
Synonyms & Trade Names

HPA, beta-Hydroxypropyl acrylate, Propylene glycol monoacrylate
DOT ID & Guide

Exposure
Limits

NIOSH REL: TWA 0.5 ppm (3 mg/m3) [skin]
OSHA PEL: none
IDLH
N.D. See: IDLH INDEX
Conversion
1 ppm = 5.33 mg/m3
Physical Description
Clear to light-yellow liquid wiith a sweetish, solvent odor.
MW: 130.2
BP: 376°F
FRZ: ?
Sol: ?
VP: ?
IP: ?

Sp.Gr: 1.05
Fl.P: 149°F
UEL: ?
LEL: 1.8%

Class IIIA Combustible Liquid: Fl.P. at or above 140F and below 200F.
Incompatibilities & Reactivities

Water [Note: Can become unstable at high temperatures & pressures or may react with water with some release of energy, but not violently.]
Measurement Methods
None available
See: NMAM or OSHA Methods
Personal Protection & Sanitation
(See protection)
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: Soap flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations
Not available.
Important additional information about respirator selection
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
Irritation eyes, skin, respiratory system; eye, skin burns; cough, dyspnea (breathing difficulty)
Target Organs
Eyes, skin, respiratory system
See also: INTRODUCTION   See ICSC CARD: 0899