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Chemical Sampling Information (CSI)
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General Description

Synonyms: 1,2-Dichloropropane

OSHA IMIS Code Number: 2190

Chemical Abstracts Service (CAS) Registry Number: 78-87-5

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: TX9625000; UC8300000; 67154

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 1279 130; UN1279 Flammable Liquid

NIOSH Pocket Guide to Chemical Hazards, Propylene Dichloride: chemical description, physical properties, potentially hazardous incompatibilities, and more

Chemical Description and Physical Properties:
colorless liquid with an odor like chloroform
molecular weight: 113
boiling point: 205°F
vapor pressure: 40 mm
melting point: -148°F
Incompatibilities: Strong oxidizers and acids

Exposure Limits

OSHA Permissible Exposure Limit (PEL):
General Industry: 75 ppm, 350 mg/m3

Construction Industry: 75 ppm, 350 mg/m3 TWA
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 75 ppm, 347 mg/m3 TWA; 110 ppm, 508 mg/m3 STEL; Appendix A4 (Not Classifiable as a Human Carcinogen)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): Potential carcinogen


Health Factors

Carcinogenic Classification:
International Agency for Research on Cancer (IARC): Group 3, not classifiable as to its carcinogenicity to humans [94 KB PDF, 8 pages]
Potential Symptoms: Eye, skin irritation; drowsiness, lightheadedness; (carcinogenic); In animals: liver, kidney disease; skin irritation

Health Effects: Cumulative liver and kidney damage (HE3); Narcosis (HE8) Irritation-Eyes, Nose, Throat---Moderate (HE15)

Affected Organs: Skin, eyes, respiratory system, liver, kidneys

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • sampling media: Petroleum Charcoal Tube (100/50 mg sections, 20/40 mesh)
    analytical solvent: Carbon Disulfide
    maximum volume: 10 Liters
    maximum flow rate: 0.2 L/min (TWA)
    maximum volume: 3 Liters
    maximum flow rate: 0.2 L/min (STEL)
    current analytical method: Gas Chromatography; GC/FID
    method reference: 1 (NIOSH 1013) [225 KB PDF, 4 pages]
    sampling and analytical error: 0.09
    method classification: Fully Validated
On-Site Sampling Techniques/Methods:
  • device: Detector Tube
    company: MSA
    part #: 85834
    range: 25-250 ppm
    class: Mfg
  • device: Instrumentation
    company: Infrared Spectrophotometer
    part #: MIRAN 1A & 1B
    RANGE: 0.8 ppm @ 9.9 um
    class: Mfg
  • device: Instrumentation
    company: Organic Vapor Analyzer
    part #: Organic Vapor Analyzer
    class: Mfg
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Page last updated: 05/19/2000

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