Specifications include, but are not limited to: The Diesel Exhaust Fluid (DEF) will be a mixture of at least 67.5% de-ionized water and 32.5% high purity synthetic urea. Flash Point: none to boiling Aerosol Boiling Point: 212 degrees F Crystallization Point: 12 degrees F Pounds/Gallons: 9.08 Specific Gravity: 1.09 Solubility in Water: 100% Vapor Density (Air=1): 0.6H20, >1 pH: 7.5 -9.5 Odor: None to Slight Ammonia Must be certified by the American Petroleum Institute Must have a minimum shelf life of two years when stored in temperatures between 12 and 90 degrees Fahrenheit. Must meet ISO-22241-1 specification for DEF Material Safety Data Sheet and copy of test results for each batch to be included with each shipment.