Ultraviolet Absorber UV-360

Ultraviolet Absorber UV-360



Chemical Name:Methylene bis [3-(2-benzotriazolyl)-2-hydroxy-5-tert-octylphenyl]
Molecular   Formula:C41H50N6O2
Molecular Weight:659
Structural formula:

Propery and applications:
UV-360  is  a  very  low  volatile.  Dimeric  2-hydroxy  benzotriazole UV-absorber  used  in  a  variety  of polymers  and  resin  compositions. UV-360 is an excellent UV absorber and can be used in polyacrylic resin, polyalkene, polyamide and in elastoplastic goods with good compatibility and higher UV absorbability. Used with other additive such as antioxidant, is shows synergistic effect. Yellowish powder, insoluble in water, soluble in esters. And benzoid solvents, high thermostability.
Specification:

Appearance yellowish powder
Assay ≥ 98.0%(HPLC)
Volatile ≤  0.5%
Residue ≤  0.1%
Melting point 194—198℃
Transmissirity 450nm ≥  97%
500nm ≥  98%

Package: 25Kg, paperboard packing drum lining plastics bag

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