September 2010
NIOSH Publication Number 2010-168c

2-Hydroxypropyl acrylate

Synonyms & Trade Names
HPA, β-Hydroxypropyl acrylate, Propylene glycol monoacrylate
CAS No.
999-61-1
RTECS No.
AT1925000
DOT ID & Guide
Formula
CH2=CHCOOCH2CHOHCH3
Conversion
1 ppm = 5.33 mg/m3
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
: TWA 0.5 ppm (3 mg/m3) [skin]
OSHA PEL
†: none
Measurement Methods

None available
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 140°F and below 200°F.
Incompatibilities & Reactivities
Water [Note: Can become unstable at high temperatures & pressures or may react with water with some release of energy, but not violently.]
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
Personal Protection/Sanitation
(See protection codes)
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

See also: INTRODUCTION   See ICSC CARD: 0899