UV absorber, a light protective substance for technical application e.g. paint, adhesive, alkyd-resin, epoxy-resin, acrylic varnish, SiOx – system, CTA, CDA, PMMA, PP, PVC, PC, PET – reqired concentration: 0.2 – 0.5 wt% and combination with HALS (0.1 – 0.25 wt%) are compatible.
Formula: C12 H11 N O4
Molecular weight: 217, 22 g/ mol
Chem. name: (E)-Ethyl 2-cyano-3-(4-hydroxyphenyl)acrylate
CAS: 6935-44-0
Appearance: yellowish, crystalline
Melting point: 112°C – 114°C
Identity: NMR / ESI-MS
Ethanol: 8,0 %
Ethylacetat: 5,0 %
Aceton: 14,0 %
Ethyl methyl cetone, EMC: 17.0%
Dowanol DPM: 17.0 %
Dichlormethan/Methanol (9:1): 13,0 %