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UV Absorber BP-2 2018-09-19T09:21:18+00:00
UV Absorber BP-2

UV Absorber BP-2 | CAS 131-55-5

  • CAS No.: 131-55-5
  • EINECS No.: 205-028-9
  • Molecular Formula: C13H10O5

Information of UV Absorber BP-2 (CAS 131-55-5)

UV Absorber Benzophenone 2 (BP-2) is dissolved in methanol and ethanol, capable of absorbing the UV radiation of 320-400nm wavelength with the characteristics of light color, nontoxic, good compatibility. Stability of light, heat chemical is better then BP-3(UV-9). It is widely applied to PP, PE, PC, PVC, solar films, stickers, high-end cosmetics, the new high-grade paint and as well as textiles.

  • Product Name: UV Absorber BP-2
  • Chemical Name: 2,2′,4,4′-Tetrahydroxybenzophenone
  • Molecular Weight: 246.22 g/mol
  • Synonyms: Bis(2,4-dihydroxyphenyl)methanone; Benzophenone-2; Methanone, bis(2,4-dihydroxyphenyl)-; Uvinol D-50
  • Category: Benzophenone UV Absorber
  • Storage Condition: Preserve in a well-closed container at low temperature, keep away from moisture, heat and light.
  • Package: 25kg fibre drum or 10g, 100g, 500g, 1kg/bag, or as customers’ request.

Specifications of UV Absorber BP-2 (CAS 131-55-5)

Appearance Yellow to brown crystalline powder
Solubility Transparent without insoluble substance
Assay (HPLC) ≥99.0%
Melting point 195.0°C-203.0°C
E345 ≥580
Loss on drying ≤0.5%
Gardner color ≤3.0
Heavy metals ≤5 ppm
Turbidity ≤12NTU

Applications of UV Absorber BP-2 (CAS 131-55-5)

  1. UV Absorber Benzophenone 2 is usually called BP-2, it has wide absorption range, it is suitable for use as a UV-A filter for product protection, particularly for protecting colorants against fading.
  2. It is also frequently used to improve the stability of perfumes to oxidation.
  3. UV Absorber BP-2 is widely used in pharmaceutical intermediates, photographic materials, cosmetic UV protection additives, etc.
  4. UV Absorber Benzophenone 2 is Class I sunscreen approved by the FDA.

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