Chemical name	2,2'-dihydroxy-4,4'-dimethoxybenzophenone
Formula	C15H14O5; MW 274 g/mol

AakoSun BP6 is a UV absorber of the hydroxyphenyl benzophenone class which imparts outstanding light stability to plastics and other paintings,especially suitable for Polystyrene, polyesters and cosmetics etc.

Appearance:	Light yellow crystalline powder
Melting point:	134.0-136.0° C
Moisture:	0.5% max
Color	4.0 max
K value:	49.0 min
UV Absorbance 300-400nm:	1.0% max
450-550nm:	90.0% min
Package	25KG Cardboard drum
Storage Conditions	Kept in the dry and cooling place under usual conditions of transport and storage. The minimum expiration date for BP-6 is two years in the original sealed container.
Turbidity in water (EBC)	1.5 max

Other names: Unvinul D 49