chemical name:2-Benzoyl-5-methoxy-1-phenol-4-sulphonic acid

(Benzophenone-4)

chemical structure:

Molecular formula:C14H12O6S

CAS No.:4065-45-6

Molecular weight:308.31

Appearance:White or light yellow crystal powder

Assay:99.0%

Heavy metals:5ppm max.

Colour(Gardner-10% aqueous solution): 2.0 max..

Loss on drying:3.0% max.

PH vaule:1.2-2.2

UV Absorbance Max@285nm:460 min

UV Absorbance Max@325nm:290 min

Melting Point (deg C):140 min

Turbidity in water:4.0 max

Package:25kg met cardboard drum

Storage:Preserve in tight, light-resistant containers

Application:
UV-284 (BP-4) has an other namesun-resist no. 3，a broad-spectrum UV absorber，with high efficiency, non-toxic, non-freakish effect. Its light and thermal stability is better than others. It is a grade I suntan agent approved by FDA with capacity of absorbing UV-A and UV-B, widely used in suntan oil, frost, cream, honey, and suntan cosmetic products.