pvc pipe stabilizer 1.UV Absorber 531 2.Assay (GC): 99%min 3.Transmittance: 460nm 93.0% pvc pipe 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 ...
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