Ultraviolet Absorbent-UV-9 CAS NO :131-57-7
Chemical name : 2-Hydroxy-4-benzophenone
Molecular Formula : C14H12O3
Molecular weight : 228.25
CAS NO.: [131-57-7]
Empirical Formula:
Appearance : Pale yellow crystalline Powder
Specifications : Assay : ≥99.0%
Melting range : 62 -64 ℃
Loss on Drying : ≤0.5%
Residue on ignition : ≤0.1%
E(1.0%, 1cm ) : 630-660
Solubility(g/solvent 100 g , 25 ℃ )
Benzene : 56.2 Hexane : 4.3
Xylol : 47.5
Ethanol :( 95%v/v ) :5.8
Paking : 25kgs net in fibre cardboard drums lined with plastic bags perserve in tight,light-resistant containers Avid exposure to excessive heat.
Storage : Keep in the dark place.
Use : Ultraviolet absorbent. Especially used in the light yellow transparent goods. This product is good tomere, hot stability. Can be used in paint and various kinds of plastic products. It is the polyvinyl chloride, polyester, the resin of acrylic acid, Polystyrene, and the good cosmetics additive
