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Butyl Acrylate

General Description

  • Synonyms: Acrylic acid, butyl ester; Butyl 2-propenoate; n-Butyl Acrylate
  • OSHA IMIS Code Number: 0450
  • Chemical Abstracts Service (CAS) Registry Number: 141-32-2
  • NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: UD3150000; 67199
  • Department of Transportation Regulation Number (49 CFR 172.101) and Emergency Response Guidebook: UN2348 129P Flammable Liquid
  • Chemical Description and Physical Properties:
    • molecular weight: 128.17
    • boiling point: 145°C

Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 2 ppm TWA; SEN; Appendix A4 (Not Classifiable as a Human Carcinogen) (TLV listed for n-Butyl Acrylate)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 10 ppm TWA

Health Factors

  • Carcinogenic Classification:
    • International Agency for Research on Cancer (IARC): Group 3, not classifiable as to its carcinogenicity to humans (n-Butyl Acrylate)

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • Coated Charcoal Tube (100/50 mg sections, 20/40 mesh); coating is 10% (w/w) 4-t-Butylcatechol.
  • maximum volume: 12 Liters
  • maximum flow rate: 0.05 L/min
  • current analytical method: Gas Chromatography; GC/FID
  • analytical solvent: Carbon Disulfide
  • method reference: 2 (OSHA In-House File)
  • method classification: Partially Validated
Secondary Laboratory Sampling/Analytical Method (SAM2):
  • Detector Tube
  • company: Kitagawa
  • part #: 211U
  • range: 5-60 ppm
  • class: Mfg
Secondary Laboratory Sampling/Analytical Method (SAM2):
  • Instrumentation
  • company: Organic Vapor Analyzer
  • part #: Organic Vapor Analyzer
  • class: Mfg

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