BP-3 2018-12-21T09:16:31+00:00

UV Absorber BP-3 | CAS 131-57-7

  • CAS No.: 131-57-7
  • EINECS No.: 205-031-5
  • Molecular Formula: C14H12O3

Product Information of UV Absorber BP-3 (CAS 131-57-7)

2-Hydroxy-4-methoxy benzophenone (BP-3 or UV-9) is an UV Absorber which efficient in radiation absorption of 290-400 nm except visible light, particularly to light-colored transparent products with high stabilization against light and heat and indecomposable below 200°C; applicable to paint and various plastic products, particular effective to polyvinyl chloride, polystyrene, polyurethane, acrylic resin, light-colored transparent furniture, as well as to cosmetics, with the incorporation of 0.1% to 0.5% (based on polymer weight) required.

  • Product Name: UV Absorber BP-3
  • Synonyms: 2-Hydroxy-4-methoxy benzophenone; UV-9; Benzophenone-3; Oxybenzone; Methanone, (2-hydroxy-4-methoxyphenyl)phenyl-
  • Molecular Weight: 228.243 g/mol
  • Storage Condition: Preserve under tight and light-resistant condition
  • Package: 25kg fiber drum or cartons
  • Category: Benzophenone

Specifications of BP-3 (CAS 131-57-7)

Appearance light yellow crystalline powder
Assay(HPLC) ≥99.0%
Melting Point 62.0°C-65.0°C
Specific Extinction(1%, 1cm) E285nm≥630; E325nm≥400
Loss on Drying ≤2.0%
Gardner Color ≤3.0
Heavy Metals ≤5 ppm

Applications of BP-3 (CAS 131-57-7)

  1. BP-3(UP-9) is soluble in common organic solvents and readily compatible with many polymer.
  2. BP-3(UP-9) is approved for skin care, it is widely used in sun preparations.
  3. It is widely used as day creams to prevent premature ageing of the skin and to protect the lips.
  4. BP-3 (UP-9) can also be used in coatings and polyolefin to improve the weather ability.

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