ACRYLIC ACID

Chemical Identification
Chemical Identification
CAS # 79-10-7
Formula

C₃H₄O₂

Synonyms

acroleic acid; acrylic acid, inhibited; aqueous acrylic acid (technical grade is 94%); ethylenecarboxylic acid; glacial acrylic acid (98% in aqueous solution); 2-propenoic acid

Physical Properties
Physical Properties
Physical description Colorless liquid or solid (below 55°F) with a distinctive, acrid odor.
Boiling point 286°F Molecular weight 72.1
Freezing point/melting point 55°F Vapor pressure 3 mmHg
Flash point 121°F Vapor density
Specific gravity 1.05 Ionization potential
Lower explosive limit (LEL) 2.4% Upper explosive limit (UEL) 8.02%
NFPA health rating 3 NFPA fire rating 2
NFPA reactivity rating 2 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs
Monitoring Methods Used by OSHA
Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 0117
Sampling group
Sampler/Sampling media 2 Anasorb 708 tubes in series [SKC 226-30-08]
Sampling time*

240 min

Sampling volume (TWA)*

24 L

Sampling flow rate (TWA)*

0.1 L/min

Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments LC-UV
Method reference OSHA PV2005 (partially validated)
Notes
Special requirements

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Wipe Method
Wipe Method
Sampler/Sampling media
Bulk Method
Bulk Method
On-Site Screening Techniques
On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)
Exposure Limits
Exposure Limits
OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA REL-TWA

2 ppm (6 mg/m³)

TLV-TWA

2 ppm [1986]

PEL-TWA

2 ppm (5.9 mg/m³)

PEL-STEL REL-STEL TLV-STEL PEL-STEL
PEL-C REL-C TLV-C PEL-C
Skin notation

NA

Skin notation

Y

Skin notation

Y

Skin notation

Y

Notes:

Not established

Notes: Notes: Notes:
Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: IARC-3, TLV-A4 Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

1 ppm/50 ppm/250 ppm

Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Acrylic acid, stabilized

NIOSH: Pocket Guide to Chemical Hazards - Acrylic acid

Literature References

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Acrylic acid. See annual publication for most recent information.
  • EPA Air Toxics Website. Acrylic Acid. U.S. Environmental Protection Agency Technology Transfer Network.
  • Black, K.A., Beskitt, J.L., Finch, L., Tallant, M.J., Udinsky, J.R. and Frantz, S.W. Disposition and metabolism of acrylic acid in C3H mice and Fischer 344 rats after oral and cutaneous administration. J. Toxicol. Environ. Health 45(3): 291-311, 1995. vPohanish, R.P. (editor): Acrylic Acid. In Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 69-71.

Last Updated Date : 12/15/2020