Benzophenone-4 UV-284 (BP-4)
Product name: UV Absorber Benzophenone-4
Synonyms: UV 284;2-hydroxy-4-methoxybenzophenone-5-sulfonic acid
Molecular Formula: C14H12O6S
Structural formula:
Molecular Weight: 308.31
CAS No.: 4065-45-6
Appearance: White or light yellow crystalline powder
Assay: 99% min.
Heavy metals: 5ppm max.
Colour (Gardner-10% aqueous solution): 1.0 max.
Loss on drying: a.5.0% max b. 3.0% max
PH value: 1.2-2.2
UV Absorbance Max at 285nm: 460 min.
UV Absorbance Max at 325nm : 290 min.
Melting Point :140oC min.
Turbidity in water (EBC):1.5 max
Applications: UV Absorber Benzophenone-4 is mainly used in cosmetics.
Package: Packed in 25kgs fiber drum with double PE liners, or according to customers' request.
Storage: Preserve in tight, light-resistent containers
