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Chemical Sampling Information (CSI)
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General Description

Synonyms: Composite Constituent

OSHA IMIS Code Number: 0921

Chemical Abstracts Service (CAS) Registry Number: 111-40-0

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: IE1225000; 31511

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 2079 154; UN2079 Corrosive, Flammable Liquid

Chemical Description and Physical Properties:

Liquid
Exposure Limits

OSHA Construction Industry PEL: 10 ppm, 42 mg/m3 Ceiling (Skin)

American Conference of Governmental Industrial Hygenists (ACGIH) Threshold Limit Value (TLV): 1 ppm, 4.2 mg/m3 TWA (Skin)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 1 ppm TWA (Skin)

Health Factors

Health Effects: Irritation-Eye, Nose, Throat, Skin---Marked (HE14) Pulmonary sensitization (HE9) HISTORY B606 LAB, 3/82

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • sampling media: Coated XAD-2 Tube (80/40 mg sections, 20/60 mesh); Coating is 10% (w/w) 1-Naphthylisothiocyanate(NITC)
    analytical solvent: Dimethylformamide
    maximum volume: 10 Liters
    maximum flow rate: 0.1 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/U.
    method reference: 2 (OSHA 60)
    sampling and analytical error: 0.10
    method classification: Fully Validated
    note: OSHA personnel may obtain sampling tubes from SLTC.

Conditions:

  • column: CN
    mobile phase: 50:50
    isooctane: IPA Detector
    wavelength: 254nm
    detection limit: 0.8 ng/sample
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