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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 Emergency Response Guidebook: 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):
  • National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): Carcinogen, use 29 CFR 1910.1044

Health Factors

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

C/P CJE 11/77

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