light stabilizer

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