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Acrylic acid

General Description

  • Synonyms: Acroleic acid, Aqueous acrylic acid (technical grade is 94%), Ethylenecarboxylic acid, Glacial acrylic acid (98% in aqueous solution), 2-Propenoic acid
  • OSHA IMIS Code Number: 0117
  • Chemical Abstracts Service (CAS) Registry Number: 79-10-7
  • NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: AS4375000
  • Department of Transportation Regulation Number (49 CFR 172.101) and Emergency Response Guidebook: 2218 132P (inhibited)
  • NIOSH Pocket Guide to Chemical Hazards, Acrylic acid: chemical description, physical properties, potentially hazardous incompatibilities, and more.

Exposure Limits

  • American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 2 ppm, 5.9 mg/m3 TWA ; Skin; Appendix A4, Not Classifiable as a Human Carcinogen
  • National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 2 ppm, 6 mg/m3 TWA; Skin

Health Factors

  • Carcinogenic Classification:
  • Potential Symptoms: Irritation and corrosion of eyes, skin, respiratory system; cough, sore throat, shortness of breath, burning sensation, labored breathing, pulmonary edema (may be delayed); eye, skin burns, pain, blindness (from contact with liquid); skin sensitization. Ingestion Acute: burning sensation; weakness; abdominal cramps, diarrhea; shock; corrosive; unconsciousness
  • Health Effects: Irritation-Eyes, Nose, Throat, Skin---Marked (HE14); Respiratory effects---pulmonary edema (HE11)
  • Affected organs: Eyes, skin, respiratory system
  • Note: Metabolized to carbon dioxide and acetyl coenzyme A in a variety of mammalian tissues. There is no OSHA PEL, but some states have standards (see Pohanish, 2002).
  • Date Last Revised: 01/14/2004
  • Literature Basis:
    • NIOSH Pocket Guide to Chemical Hazards. Acrylic acid.
    • International Chemical Safety Cards (WHO/IPCS/ILO). Acrylic acid.
    • 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.

Monitoring Methods used by OSHA

Laboratory Sampling/Analytical Method:
  • Two SKC, Inc. Anasorb 708 Tubes in series
  • analytical solvent: Methanol
  • maximum volume: 24 Liters
  • maximum flow rate: 0.1 L/min
  • current analytical method: High Performance Liquid Chromatography; HPLC/UV
  • method reference: OSHA Manual of Analytical Methods (OSHA PV2005)
  • method classification: Partially Validated
  • Two XAD-8 Tubes in series (XAD-8 is no longer available)
  • analytical solvent: (50:50) Methanol/Water
  • maximum volume: 24 Liters
  • maximum flow rate: 0.1 L/min
  • current analytical method: High Performance Liquid Chromatography; HPLC/UV
  • method reference: OSHA Manual of Analytical Methods (OSHA 28)
  • method classification: Fully Validated

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