R404AR404A is a colorless gas under ordinary temperature, and a colorless & transparent liquid under the pressure of itself,mixed by R125, R134a and R143. It is a long-term substitute for R502, mainly used in the refrigerating systems of low & moderate temperature.Properties:UnitR404AChemical formulaR-134a/R-125/R-32Molecular weightg/molMelting point?-46.1Critical temperature?72.4Critical pressureMPa3.69Saturated liquid density (25?)g/cm31.045ODP0GWP0.35Quality Specification:IndexExcellent GradeAppearanceColorless , not turbidodorNo strange stenchPurity % =99.8Moisture % =0.001Acidity (as HCl)
Mixed Refrigerants R404a