emily.shen(at)lepuz.com.cn UV Absorber Benzophenone-4 (BP-4) Chemical ...    More ...

emily.shen(at)lepuz.com.cn

UV Absorber Benzophenone-4 (BP-4) Chemical name: 2-Hydroxy-4-methoxy benzophenone-5-sulphonic Acid
CAS No.: 4065-45-6
Molecular Formula: C₁₄H₁₂O₆S
Structural Formula:
Specifications: Appearance: Off-white or Practically White Powder or Crystal
Purity: 97.0-103.0% min
Melting Point: 170 min
Loss On Drying: 5.0%max
Heavy Metals(ppm): 20max
Specific Extinction: at 285nm.460min
at 325nm.290min
 
  Description & Applications:
　　  It is water-soluble and mainly applied in manufacturing of water-soluble cosmetics for sun screening; applicable to water-based inks and coating materials for UV absorption.
Packing:  25kg/drum

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