<< Back to Chemical Sampling Information

Chemical Sampling Information (CSI)
Search (use word(s)/phrase)
Table of Contents
By Name
A B C D E F G H I J K L M
N O P Q R S T U V W X Y Z

By CAS Number
Quick Links

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 Guide: 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):

  • sampling media: Coated Charcoal Tube (100/50 mg sections, 20/40 mesh); coating is 10% (w/w) 4-t-Butylcatechol.
    analytical solvent: Carbon Disulfide
    maximum volume: 12 Liters
    maximum flow rate: 0.05 L/min
    current analytical method: Gas Chromatography; GC/FID
    method reference: 2 (OSHA In-House File)
    method classification: Partially Validated

Secondary Sampling/Analytical Method (SAM2):

  • device: Detector Tube
    company: Kitagawa
    part #: 211U
    range: 5-60 ppm
    class: Mfg

  • device: Instrumentation
    company: Organic Vapor Analyzer
    part #: Organic Vapor Analyzer
    class: Mfg
** All Trademarks are the property of their respective owners.