Chemical Name: 2,2'-dihydroxy-4,4'-dimethoxybenzophenone-5,5'-disodium sulfonate

CAS No.: 76656-36-5

Molecular Weight:  478.35

Molecular Formula: C15H12O15S2Na2  /  (C15H12Na2011S2)

Chemical Structure:

Application: BP-9 is a UV absorber of the hydroxyphenyl benzophenone class which

imparts outstanding light and heat stability to Polystyrene, polyesters and

cosmetic raw materials etc.

Specifications

Appearance:  light yellow crystalline powde

Heavy Metal: As: 3ppm max ; Pb:10ppm max;Hg:1ppm max

Colour(Gardner):  4 max.

Loss on drying:  0.50% max.

Packing:  25kgs ber fibre drum.