Ultraviolet Absorbent UV-P CAS NO.2440-22-4

Chemical name: 2-(2'-Hydroxy-5'-methylphenyl)benzotriazole
Molecular formula: C13H11N30
Molecular weight:225.3

Chemical name: 2-(2'-Hydroxy-5'-methylphenyl)benzotriazole
Molecular formula: C13H11N30
Molecular weight:225.3

Specification:
Item                                                Standard
Appearance                 White or light yellow crystal or powder
contents                                             ≥99%
Melting Point                                128-130°C
Volatiles                                           ≤ 0.5%
Ash                                                  <0.1%
Transmittance                            440nm≥97%
                                                 500nm≥98%
Characteristic:
1. Odorless, will not make the polymer have smells,
2. Insensitive to metallic ion,
3. Noninflammable, Non-explosive,Non-toxicity, harmless to health,
4. Strongly absorption to Ultraviolet ray,
5. Excellent thermal stability,it can be used in the product,which
be required high-temperature processing.
Application:
This product is a highly efficient ultraviolet absorber, it can effective absorb 270-
340nm UV-light,It mainly used in PVC, polypropylene (PP), unsaturated resin,PC,
PMMA,PE,ABS, Epoxy resin,Fiber etc.It hardly absorb the visible light,especially suitable
for the Colorless transparent or light-colored products. The general dosage is 0.1-0.5% in
thin products，to thick products,the dosage is 0.05-0.2%.UV-P is allowed to use for the food package.
Toxicity: Low toxicity, Rats by oral LD50>5g/kg
Storage & Package:Noninflammable, Non-explosive,Non-toxicity, No corrosion,
Good storage stability.25KG/ Cardboard barrels or carton lined with plastic bag.