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2-Chloropyridine
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General Description
    Synonyms: o-chloropyridine; alpha-chloropyridine

    OSHA IMIS Code Number: C740

    Chemical Abstracts Service (CAS) Registry Number: 109-09-1

    Department of Transportation Regulation Number (49 CFR 172.101) and guide [2008 Emergency Response Guidebook, 2.5 MB PDF]: 2822 153

    Chemical Description and Physical Properties: colorless to pale yellow liquid
      molecular formula: C5H4CIN
      molecular weight: 113.55
      boiling point: 167-170°C (760 mm Hg)
      flash point: 26°C closed cup
      freezing/melting point: -46°C
      vapor pressure: 2.77 mm Hg @ 25°C
    Potentially hazardous incompatibilities: oxidizing agents, ignition sources, excess heat
Health Factors
    Potential symptoms: may be fatal if absorbed through the skin; may cause severe irritation of skin; may cause irritation of eyes, digestive tract, and respiratory tract

    Health Effects: Potential Irritation-Eye, Nose, Throat, Bronchi, Lungs---Moderate (HE15)

    Affected organs: Eyes, respiratory system, skin
Monitoring Methods used by OSHA
    Laboratory Sampling/Analytical Method:

    • sampling media: XAD-7 tubes (50/100 mg)
      analytical solvent: 95:5 methylene chloride:N,N-dimethylformamide
      maximum volume: 24 Liters   maximum flow rate: 0.1 L/min
      current analytical method: Gas Chromatography; GC/FID
      method reference: OSHA In-House File
      method classification: Study

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