产品描述

Appearance White crystalline powder Purity (on dry base) % 99.0~104.0 Melting point of propyl paraben sodium (°C) 96~99 pH(0.1% water liquor) 9.5~10.5 Sulfate ppm =<300 Chloride ppm =<350 Loss on drying (%) =<5.0 Related substances Qualified Heavy metals pb(ppm) =<10.0 Appearance of solution Qualified