Absorbentes UV 328
Notitiae Fundamentales:
Nomen producti: Absorbentes UV 328
Nomen chemicum: 2-(2'-hydroxy-3',5'-di-tert-amylphenyl) benzotriazolum
Synonyma:
2-(3,5-Di-tert-amyl-2-hydroxyphenyl)benzotriazolum; HRsorb-328; 2-(3′,5′-di-t-aMyl-2′-hydroxyphenyl)benzotriazolum; 2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)-Phenolum; 2-(2H-Benzotriazol-2-yl)-4,6-di-t; UV-328; 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-amylphenolum; UVABSORBERUV-328.
Numerus CAS: 25973-55-1
Formula molecularis: C22H29N3O
Pondus moleculare: 351.49
Numerus EINECS: 247-384-8
Formula structuralis:
Categoriae conexae: intermedia chemica; absorbens ultraviolaceae radios; stabilisator lucis; materiae rudis chemicae organicae;
Descriptio: Benzotriazolum ultraviolaceae absorbens
Aspectus: Pulvis albus - flavus dilutus
Punctum liquefactionis: 80-83°C
Punctum ebullitionis: 469.1±55.0°C (Praedictum)
Densitas 1.08±0.1 g/cm³ (Praedicta)
Pressio vaporis: 0 Pa ad 20℃
Solubilitas: solubilis in tolueno, styreno, cyclohexano, methyl methacrylato, ethyl acetato, ketonis, etc., insolubilis in aqua.
Proprietates: Pulvis pallide flavus.
LogP: 7.3 ad 25℃
Merces Periculosae Signum Xi, Xn
Categoriae periculi 36/37/38-53-48/22
Instructiones salutis - 36-61-22-26 wgkgermchemicalbookany2 53
Codex Telonearius 2933.99.8290
Data de Substantiis Periculosis 25973-55-1 (Data de Substantiis Periculosis)
| Specificatio | Unitas | Norma |
| Aspectus | Pulvis flavus dilutus | |
| Punctum fusionis | Celsius | ≥80.00 |
| Contentum cineris | % | ≤0.10 |
| Volatiles | % | ≤0.50 |
| Transmissio lucis | ||
| 460nm | % | ≥97.00 |
| 500nm | % | ≥98.00 |
| Contenta principalia | % | ≥99.00 |
UV 328 est absorbens UV 290-400nm cum bono effectu stabiliendi lucis per photochemiam; productum fortem absorptionem lucis ultraviolettis habet, colorem initialem humilem in colore producti, facile solubile in plastificante et systemate monomerico, volatilitate humili, et bonam compatibilitatem cum plurimis materiis fundamentalibus habet; in productis externis, cum antioxidante phenolico et antioxidante esteris phosphatis et photostabilizante aminae impeditae adhiberi potest.
Praecipue adhibetur in polyolefino, PVC, HDPE, styreno simplici et copolymero, ABS, polymero acrylico, polyestere insaturato, polyamina polythermoplastica, polyurethano humido curante, polyacetalo, PVB (polyvinylbutyaldehydo), systemate epoxy et polyurethano bicomponenti, systemate picturarum magneticarum acrylicarum cum acido alcoholico et thermoindurentibus; etiam in tunicis autocineticis, tunicis industrialibus, tunicis ligneis.
Quantitas addenda: 1.0-3.0%, quantitas addenda specifica secundum probationem applicationis emptoris determinatur.
In sacculo chartaceo kraft 20/25 kg vel cartone conditum.
Vitanda sunt luces solis, luces altae, humiditas, et stabilimenta lucis sulphure vel halogenis continentia. In vase clauso, sicco, et a luce remoto conservanda sunt.
