UV Absorbers 328
Basic Information:
Product nomen: UV Absorbers 328
Nomen chemicum: 2-(2 '-hydroxy-3′,5 '-di-tert-amyl phenyl) benzotriazole
Synonyma:
2-(3′,5′-di-t-amyl-2′-hydroxyphenyl) benzotriazole;2-(2H- benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)-Phenol;2-(2H-Benzotriazol-2-yl)-4,6-di-t;UV-328;2-(2H -Benzotriazol-2-yl)-4,6-di-tert-amylphenol;UVABSORBERUV-328;
CAS number: 25973-55-1
Formulae hypotheticae: C22H29N3O
Pondus hypotheticum: 351.49
EINECS Number: 247-384-8
Formulae structurae:
Genera chemicorum intermedia; ultraviolet bibulus; lucem stabiliens; organici materiae chemicae rudis;
Descriptio Benzotriazole ultraviolet absorbent
Species White - flavo pulveris lumen
Punctum liquescens: 80-83°C
Fervens punctum: 469.1±55.0°C (Predicted)
Densitas 1.08 ± 0.1 g/cm3 (Praedicta)
Vapor pressura: 0 Pa ad 20℃
Solubilitas: solutum in toluene, tyrene, cyclohexano, yl methacrylato, ethyl acetate, ketone, etc., in aqua solubile.
Properties: Lumen luteum pulveris.
LogP: 7.3 ad 25℃
Periculo bona Mark XI, Xn
Discrimen categoriae in codice 36/37/38-53-48/22
Salus instructionum - 36-61-22-26 wgkgermchemicalbookany2 53
Consuetudines Codicis 2933.99.8290
Periculosae substantiae Data 25973-55-1 (Ancipitia substantiae Data)
| Specification | Unitas | Standard |
| Aspectus | Lumen luteum pulveris | |
| punctum liquescens | ℃ | ≥80.00 |
| Cinis content | % | ≤0.10 |
| Volatiles | % | ≤0.50 |
| lux transmissio | ||
| 460nm | % | ≥97.00 |
| 500nm | % | ≥98.00 |
| Summa content | % | ≥99.00 |
UV 328 Estne 290-400nm UV absorber cum bona luce stabilizationis effectus per photochemisticam; productum validam effusio lucis ultraviolacae, humilis initialis color in producto colore, facile solubilis in systemate plasticizer et monomer, humilis volatilis, et cum turpissimis materiis bene convenientiam habet; in productis velit, adhiberi potest cum antioxidante et phosphate phosphate ester antioxidante impedito amine photographico.
Maxime in polyolefin, PVC, HDPE, styrene simplex et copolymer, ABS, polymerus acrylicus, polyester insaturatus, polythermoplastic polyamine, sanans polyurethanum, polyacetale, PVB (polyvinyl butyaldehyde), epoxy et polyurethane systematis duo-componentis, acidum alcohole et thermosetting acrylicos. ratio magnetica pingit; etiam usus est in autocinetis tunicis, in tunicis industrialibus, in artibus ligneis.
Moles adde: 1.0-3.0%, specifica addendi quantitas secundum applicationem thecustomatis experimenti determinatur.
Referta in 20Kg/25Kg kraft charta sacculi vel lobortis.
Fuge solem, lucem, umorem, lucemque stabilimenta in quibus elementa sulphuris vel halogen continentur. Signatum, arida et a luce repositum oportet.
