Chemical Specifications Vapor Pressure 23.3mmhg at 30deg C Arsenic (As) 0.1ppm max Assay 3.0 to 3.5 % Chloride 5ppm max Density 1.00g/cm3 Formula Weight 34.01 Phisical Form Liquid Free Acid 0.4% max Heavy Metals(as Pb) 1ppm Max Identification Pass Test Iron (Fe) 0.5ppm max Nitrogen Compoiunds 0.005% max Phosphate 0.035% max Residue afrer Evaporation 0.4% max Sulfate 0.005% max Vapor Pressure 23.3mmHg at 30deg C Boiling Point 100deg C Color Undesignated Melting Point 0deg C