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Chemical Sampling Information (CSI)
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General Description

Synonyms: Allyl trichloride; Glycerol trichlorohydrin; Glycerin trichlorohydrin; Trichlorohydrin

OSHA IMIS Code Number: 2510

Chemical Abstracts Service (CAS) Registry Number: 96-18-4

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: TZ9275000; 66146

NIOSH Pocket Guide to Chemical Hazards, 1,2,3-Trichloropropane: chemical description, physical properties, potentially hazardous incompatibilities, and more

Chemical Description and Physical Properties:

colorless liquid with a strong, acid odor
molecular weight: 147
boiling point: 313°F
vapor pressure: 3.4 mm
melting point: 5°F

Incompatibilities: Active metals, strong caustics and oxidizers

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

General Industry: 50 ppm, 300 mg/m3

Construction Industry: 50 ppm, 300 mg/m3 TWA

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 10 ppm, 60 mg/m3 TWA (Skin); Appendix A3 (Confirmed Animal Carcinogen with Unknown Relevance to Humans)

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

Health Factors

Carcinogenic Classification:

International Agency for Research on Cancer (IARC): 2A Probably carcinogenic to humans [2 MB PDF, 22 pages]

Potential Symptoms: Eye, throat irritation; CNS depression; liver injury; skin irritation; (carcinogenic)

Health Effects: Irritation-Eye, Nose, Throat, Skin---Marked (HE14) Cumulative liver damage (HE3) Mutagen (HE2); Narcosis (HE8)

Affected Organs: Eyes, respiratory system, skin, CNS, liver

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Charcoal Tube (100/50 mg sections, 20/40 mesh)
    analytical solvent: Carbon Disulfide
    maximum volume: 10 Liters
    maximum flow rate: 0.2 L/min
    current analytical method: Gas Chromatography; GC/FID
    method reference: 1 (NIOSH 1003) [113 KB PDF, 7 pages]
    sampling and analytical error: 0.12
    method classification: Partially Validated

On-Site Sampling Techniques/Methods:

  • device: Detector Tube
    company: MSA
    part #: 85834
    range: 10-500 ppm
    class: Mfg
  • device: Instrumentation
    company: Infrared Spectrophotometer
    part #: MIRAN 1A & 1B
    range: 1.0 ppm @ 12.4 um
    class: Mfg
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