Chemical name: 95% Benzenepropanoic acid, 3-(2H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxy-C7-9-branched and linear alkyl esters,and 5% 1-methoxy-2-propyl acetate CAS No.:127519-17-9 Molecular Formula: C27H39N3O3 Molecular Weight: 451.61 Appearance: Pale yellow liquid Purity: 93%(HPLC) min. Viscosity, 20 degree: 2600-3600mPas Density, 20 degree: 1.07g/cm�³ UV ABSORBER HOSORB-UV 384-2 is non-toxic, non-flammable, non-explosive, non-corrosive, good storage stability. It� is recommended for automotive coatings and general industrial applications i.e. coil coatings, wood coatings. It is easy incorporation into water borne systems. The performance provided by UV 384-2 can be enhanced when used in combination with a HALS stabilizer such as HLAS-292.