Sta-Lube® Air Tool Oil, Non-Flammable, Bottle Container, 1 gal Container, 1 gal Net Weight, Naphthenic Distillate Base, Composition: Distillate (Petroleum), Hydro Treated Light Naphthenic, Distillate (Petroleum), Solvent Refined Heavy Naphthenic, Phosphorodithioic Acid, O, O-di-c1-14-Alkyl Ester, Zinc Salts, Liquid Form, Amber/Blue, Faint Petroleum Odor/Scent, -20 to 225 deg F, 0.91 Specific Gravity, >300 deg F Flash Point, 40 Viscosity, -5 deg F Pour Point, Flammability: 1 HMIS/NFPA, ISO 22 Grade