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CAS:3864-99-1
MF:C20H24ClN3O
MW:357.88
EINECS:223-383-8
Synonyms:2-(3′,5′-DI-TERT-BUTYL-2′-HYDROXYPHENYL)-5-CHLOROBENZOTRIAZOLE; 2-(3,5-DI-TERT-BUTYL-2-HYDROXYPHENYL)-5-CHLOROBENZOTRIAZOLE
What is UV-327 CAS 3864-99-1？
UV absorber UV-327 is an excellent benzotriazole UV absorber, usually light yellow or white powder, soluble in styrene, benzene, toluene and other solvents. The absorption wavelength range is greater than the ultraviolet absorber UV-P, can strongly absorb 300-400 mm of ultraviolet light, the highest absorption peak is 353 nm, and the chemical stability is good, small volatility.
Specification
| Item | Specification |
| Melting point | 150-153 °C(lit.) |
| Boiling point | 469.2±55.0 °C(Predicted) |
| Density | 1,26 g/cm3 |
| Acidity coefficient (pKa) | 9.23±0.48(Predicted) |
| Flash point | 234°C |
Application
UV absorber UV-327 is an excellent light stabilizer and has good synergistic effect with antioxidant. The product has low volatility, good compatibility with resin, suitable for polypropylene, polyethylene, polyformaldehyde and polymethyl methacrylate, etc., especially suitable for polypropylene fiber.
Packaging
25kg/drum or according to customer requirements.
Related keywords
2-(5-Chloro-2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylChemicalbookethyl)-phenol; 2,4-DI-T-BUTYL-6-(5-CHLORO-2H-BENZOTRIAZOL-2-YL)PHENOL.
