【English name】Bwtyl  Methooxydibenzoylmethane；Avobenzone
【CAS Number】70356-09-1
【Chemical alias】parseal-1789; ; 1-(4-(1,1-Dimethylethyl)phenyl)-3-(4-methoxyphenyl)-1,3-propanedione; 4-tert-Butyl-4'-methoxy-dibenzoylmethane; Parsol 1789; Sunscreener 1789; Butyl Methoxydibenzoylmethane; 1-(4-tert-butylphenyl)-3-(4-methoxyphenyl)propane-1,3-dione; 2-pentoxy-1,3-diphenyl-propane-1,3-dione; Parsol-1789; P-methoxydibenzoylmethane; Eusolex 9020; Escalol 517
【Structural formula】
【Molecular formula】C20H22O3            
【Molecular weight】310.39
【Appearance】white to light yellow crystal powder; insoluble in water, propylene glycol, glycerinum and mineral oil; soluble in ester
【Quality standard】melting point: 82-86℃
heavy metal: ≤0.002%
content≥98%
loss on drying≤0.5%
UV extinction coefficient: 1100-1180℃
【Characteristics and uses】It is also named Parsol-1789. It has fine compatibility, stability and excellent effect of sun block.
【Packaging and storage】0.5kg/bag     15kg/drum  in cool condition sealing; shelf life: 2 years