ULTRAVIOLET RADIATON ABSORBENT UV-326
Chemical Name: 2- (2'-Hydroxy-3'-tert-5' methyphenyl) -5-chlorobenzo+riozole
Molecular formula | C17H18N3OCL | |
| Molecular Weight | 315.8 | |
| CAS# | 3896-11-5 |
Introduction: This product can be dissolved in such organic solvent as benzol, touene, phenyethene, etc. Can not be dissolved in water. It can be easily dissolved in some kinds of resin, and it is not sensitive to mental ions. Under alkalinity, as low volatile, it is not turned into yellow, and can absorb the ultraviolet ray of 270-380mm wavelength effectively. When used with antioxidant, it has cooperative effect. With lower poison, it is considered as the world's sagest plastic accretion.
Physical Properties:
Appearance: | Yellowish Powder | Assay: | ≥99% |
Melting Range: | ≥138°C | Ash: | ≤0.1% |
Light Transmittance: | 460nm≥93% 500nm≥96% | Volatiles: | ≤0.5% |
Solubility: (At 20°Cg/100ml solvent)
Water | insoluble | Methanol | / |
Acetone | 1 | Ethyl acetate | 2 |
Chloroform | 11 | n-Hexane | 1 |
Applications: This product is an excellent light stability for plastics. It is suitable for polyalkemer (especially foodstuffs), polyvinyl choired, polyamide, ABS resin, AS resin and polyurethane etc.
Package: The package is the paperboard drum lined with plastic bag.The net weight is 25kg / drum
Storage: When stored, please avoid the rain, moisture and sunshine.
2- (2'-Hydroxy-3'-tert-5' methyphenyl) -5-chlorobenzo+riozole
