UV Absorber UV-531 for PVC

• Certification: REACH
• Color: Yellow
• Kind: Stabilizer
• Appearance: Powder
• Transport Package: 25kg/Carton
• Specification: 99%
• Model NO.: UV531
• Trademark: DEBORN
• Origin: China
• HS Code: 381220

Product Description

Ingredients: 2-hydroxy-4-(octyloxy)benzophenone

Molecular formula:C₂₁H₂₆O₃

Molecular weight:326

CAS NO.: 1843-05-6

Chemical structural formula:

Technical index:
Appearance:light yellow crystal powder
Content: ≥ 99%
Melting point: 47-49°C
Loss on drying: ≤ 0.5%
Ash: ≤ 0.1%

Light transmittance:

Wave length nm         Light transmittance %

          450                                   ≥ 90

          500                                  ≥ 95

Toxicity: almost non-toxic,rattus norvegicus oral LD 50 =12g/Kg weight.

Use:This product is mainly used in polyolefine, polystyrene, polyester, polyamide glue and others. Man absorption wave length range is 300-375nm.
General dosage 0.2-0.6% .

Solubility: 25°C unit:g/100mLsolvent

solvent Acetone Benzene Methyl alcoholn-Heptane Alcohol (95%) Hexane Water

Solubility 74            72                2                    40                2.6                   40.1     <0.5