Responders' Protection Information

Chemical Toxicity and Properties


To find a hazardous material entry in the database, simply key in the name, UN# or CAS#. Basic information is displayed for the hazardous material - CAS#, UN#, ERG Guide #, NFPA 704 Hazard Classification rating. Additional fundamental information required to understand how the material will behave is presented, i.e., boiling and melting point, LEL, UEL, flash point, auto ignition temperature, vapor pressure, vapor density, ionization energy, molecular weight, formula, liquid specific gravity, and published toxicity values (IDLH; ERPG-1,2,3; TEEL-1,2,3; STEL, TWA).
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