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Chemical Sampling Information (CSI)
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General Description

Synonyms: DBCP; Dibromochloropropane; 1-Chloro-2,3-dibromopropane

OSHA IMIS Code Number: 0935

Chemical Abstracts Service (CAS) Registry Number: 96-12-8

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: TX8750000; 65480

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 2872 159; UN2872 Keep Away From Food

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

Chemical Description and Physical Properties:
dense yellow or amber liquid with a pungent odor at high concentrations. May also appear in granular form
molecular weight: 236
boiling point: 383°F
vapor pressure: 0.8 mm
melting point: 43°F
Incompatibilities: Chemically active metals: aluminum, magnesium, tin and alloys; attacks some rubber and coatings

Exposure Limits

OSHA Permissible Exposure Limit (PEL):
General Industry: Cancer Hazard 29 CFR 1910.1044 . TWA 1 ppb
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): Carcinogen, use 29 CFR 1910.1044


Health Factors

Carcinogenic Classification:
International Agency for Research on Cancer (IARC): Group 2B, possibly carcinogenic to humans [136 KB PDF, 22 pages]

National Toxicology Program (NTP): Suspect human carcinogen [140 KB PDF, 2 pages]
Potential Symptoms: Drowsiness, nausea, vomiting; eye, nose, throat, skin irritation; pulmonary edema (carcinogenic)

Health Effects: Male sterility (HE5); Mutagen (HE2)

Affected Organs: CNS, skin, liver, kidney, spleen, reproductive system, digestive system

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • sampling media: Petroleum Base Charcoal Tube (100/50 mg sections, 20/40 mesh)
    maximum volume: 10 Liters
    maximum flow rate 0.2 L/min (TWA)
    current analytical method: Gas Chromatography; GC/ECD
    method reference: 2 (OSHA In-House File)
    sampling and analytical error: 0.12
    method classification: Partially Validated
Conditions: C/P CJE 11/77

Secondary Sampling/Analytical Method (SAM2):
  • PID Photoionization Detector
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