Benzophenone-6

Product name: UV Absorber Benzophenone-6
Synonyms: Benzophenone-6; 2,2'-dihydroxy-4,4'-dimethoxybenzophenone; 
bis-(2-hydroxy-4-methoxy-phenyl)-methanone
CAS No.:131-54-4 
Appearance:Light yellow crystalline powder 
Molecular formula:C₁₅H₁₄O₅
Structural formula:

Molecular weight:274 .27 
Melting point:134-136°C 
Moisture:0.5% max 
Color: 4 max 
K value:49 min 
UV Absorbance: 300-400nm:1.0% max    
UV Absorbance: 450-550nm:90.0% min 
Applications: UV Absorber Benzophenone-6 is a UV absorber of the hydroxyphenyl benzophenone class which imparts outstanding light stability to plastics and other paintings, especially suitable for Polystyrene, polysters and cosmetics etc.
Package:Packed in 25kgs fiber drum with double PE liners, or according to customers' request.
Storage: 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.