light stabilizer 1.UV Absorber 326 2.Assay (GC): 99%min 3.Transmittance: 460nm 93.0%
light stabilizer
1.Product name
Chemical Name: 2-Hydroxy-4-n-octoxybenzophenone
Product Name: UV Absorber 531
CAS Number: 1843-05-6
Molecular Formula: C21H26O3
Molecular Weight: 326.43
Structure:
2. Specifications: Appearance: Light Yellowish Powder or Flake
Assay (GC): 99.5% min
Melting Point: 47°C -49°C
Volatile: 0.5% max
Ash: 0.1% max
Transmittance: 450nm 94.0% min
500nm 97.0% min
3. Properties: Specific Gravity (20)°C: 1.16 g/cm3
Solubility (20°C) % w/w: Acetone 43; Ethyl acetate 44; Ethanol 3.5; n-Hexane 12; Toluene >50; Water < 0.01
4. Applications:
An effective light stabilizer for a variety of plastics and other organic substrates such as polycarbonate, PE, PVC, ABS resin, polyurethane, phenolic resin, paraffin and rubber.
Features/Benefits: protects polymers from UV radiation, helping to preserve the original appearance and physical integrity of molded articles, films, sheets, and fibers.
Dosage: Between 0.1-1.0%
5. Storage and Transport:
Keep container tightly closed. Avoid ingestion and inhalation
6. Packing:
25KG Cartons or as customers’ requirements
light stabilizer
