1. Basic Information
Product name Benzophenone-9; BP-9
CAS No. 76656-36-5
EINECS No.  278-520-4
Molecular Formula: C15H12Na2O11S2
Molecular Weight: 478.36
Structure Formula


Technical Specification


Item        Specification
Appearance Light yellow powder
Assay ≥ 65.0%
K-value >16.0
Solubility 5g/100ml Water
Hazen ≤6.0
Purity >98.0%





  1. Application field

Benzophenone-9 acts as a water soluble UV stabilizer. Benzophenone-9 has a very broad absorption band which extends into the UVA and UVB range. Additionally, it is an effective light stabilizer for protecting cosmetics from the damaging UV radiation which is a component of natural sunlight. Used in cosmetics, fragrances, hair care and personal care products.


  1. Packing

Standard packaging includes the following:

25kg per drum

Other package sizes are available upon request.


  1. Storage

Store in a well-ventilated, cool, dry area, out of direct sunlight. Keep containers tightly closed when not in use.


  1. Period of validity

24 months