紫外线吸收剂Lowilite 20S Ultraviolet Light Absorber Lowilite 20S is a water soluble ultraviolet light absorber belonging to the benzophenone class of UV absorbers. 2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid CAS Reg. Number [4065-45-6] Typical Properties Appearance Pale yellow powder Molecular Weight 308 Melting Point, °C 108 - 110 Acid Number (mg KOH/g) 182 Specific Gravity @ 25°C 1.262 Solubility @ 20°C (g/100 ml solvent) Water 25 Toluene <0.5 n-Hexane 0 Acetone 8.5 Isopropanol 25 Ethyl Acetate 0 Lowilite 20-S is a water soluble derivative of Lowilite 20. It is an ultraviolet light absorber for use in water based cosmetics, including sun tan lotions, shampoos, hair sprays and dyes, and wool fabrics. It is also used in polymers for the stabilization of coatings, photographic films and lithographic plates. Please contact your Great Lakes Chemical sales representative before using Lowilite 20-S in any cosmetic application.