UV absorber and Light-protective for technical applications – e.g. polymers, PMMA, PP, PVC, PET – employment concentrations depending upon layer thickness: 0.2 – 0,5 % by weight. – combinations with HALS (0,1 – 0,25 % by weight) are possible amongst others.
Chemical formula: C27H31N5O2
Molecular weight: 345,35 g·mol-1
Chem. name: 1-(3-(2Hbenzo[d][1,2,3]triazol-2-yl)-2-hydroxy-5-(2,4,4-trimethylpentan-2-yl)phenyl)-3- phenylurea
CAS: 248938-72-9
Appearance: light yellow, powder
Melting point: 198 – 200°C
Identity: NMR/ ESI-MS
Appearance of the solution (1 %, ethanol): Light yellow, clear
Acetone: 6.0 %
Ethanol: 1,5 %
Isopropanol: 2,0 %
Acetylacetone: 3,0 %
Methylethylcetone (MEC): 6,0 %
Dichlormethane/Methanol (9:1): 9,0 %
Dichlormethane/Ethanol (9:1): 4,5 %
Methanol: 0,4 %
Gasoline: < 0.01
Xylene: < 0.01
Water: < 0.01