UV ABSORBER UV 312 CAS NO.23949-66-8


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Product Specifications

UV ABSORBER UV 312CAS NO.23949-66-8
Chemical name: N-(2-Ethoxyphenyl)-N’-(4-ethylphenyl)-ethlyene diamide
CAS No.: 23949-66-8
Molecular formula: C18H20N2O3
Molecular weight: 312.37
Molecular structure

Appearance: White crystalline powder
Assay, %: ≥99
Melting point,℃:122-127℃
Transmittance: 460nm ≥95%
500nm ≥97%
Loss on Drying, %: ≤0.5

UV ABSORBER HOSORB UV 312  has a low volatility and good thermal stability. It is particularly effective for short-wavelength UV light. It can be used in solventborne coatings and general industrial coatings to provide standard UV stabilization performances. In particular, it is recommended for UV cured systems. It is suitable for polyesters, PVC plastisol, polyurethanes, polyamides, polymethylmethacrylate, polybutyleneterephtalate, polycarbonates and cellulose esters.  It is particularly effective include polyamides, PVC (rigid and flexible), polyesters (thermoplastic and thermoset).info at hhochem.com