Major Category
        Nitrogen Compounds
       
      
     
    
   
  Synonyms
  alpha-Picoline; 2-Methylpyridine; AI3-24109; PICOLINE, ALPHA; Picoline; Pyridine, 2-methyl-; alpha-Methylpyridine; o-Picoline; [ChemIDplus] UN2313
 
  Description
  Colorless liquid with a strong unpleasant odor; [Hawley] Colorless or yellow tinted clear liquid; [MSDSonline]
 
  Sources/Uses
  Used as an intermediate (dyes, resins, agrochemicals, and pharmaceuticals), solvent, and laboratory reagent; [HSDB] Found naturally in coal tar; Used as a solvent and to make dyes and resins; [MSDSonline] Picolines are constituents in cigarette smoke, bone oil, coal tar, and coke oven emissions. [AIHA]
 
  Comments
  A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation of high concentrations can cause unconsciousness; The liquid defats the skin; [ICSC] An irritant; Harmful if swallowed, inhaled, or absorbed through skin; A strong respiratory tract irritant; May cause convulsions; Oral LD50 (rat) = 790 mg/kg;  [MSDSonline] An irritant that can cause CNS depression; Liver changes occur in rats exposed to chronic high doses; [AIHA] See "Pyridine."
 
  Vapor Pressure
  11.2 mm Hg
 
  Odor Threshold Low
  0.013 ppm
 
  Odor Threshold High
  0.45 ppm
 
  Lethal Concentration
  LCLo (rat) = 4,000 ppm/4h
 
  Explanatory Notes
  Flash point = 26 deg C; [ICSC] Odor threshold low = 0.05 mg/m3; High = 0.17 mg/m3; [HSDB] The Guide in the Emergency Response Guidebook is for "Picolines." VP from ChemIDplus;
 
  NFPA
  may ignite at ambient temp
 
  Neurotoxin
  Other CNS neurotoxin
 
  Hepatotoxin
  Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
 
  Other Information
  No other related information on this agent was found.