1, purity: 99.9% 2, meet client's requirement 3, H.S NO.2903710000 4, differnt packages 5,good service after sale Chlorodifluoromethane (R22)1. Molecular Formula: CHCLF2Commodity Code: 29034910 Danger Code: 1018 Danger Class: 2.22. Physical Properties: Molecular Weight86.48Boiling Point, °C-40.82Relative Density(30°C), liquid, g/cm3 1.177Melting Point, °C-160.00Critical Temperature, °C96. ...