2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole CAS NO.3147-75-9

Chemical name: 2-(2'-hydroxy-5'-tert-o…

Chemical name: 2-(2'-hydroxy-5'-tert-octyllphenyl)benzotriazole

Molecular formula: C₂₀H₂₅N₃O

Molecular Weight :323

Specifications:
Item                          standard
Appearance     White or Light yellow powder
contents                    ≥ 99%
Melting point          101-106℃
loss on drying           ≤ 0.5%
Ash content             ≤ 0.1%
Transmittance         440nm≥97%
                              500nm≥98%
Application:
UV-329 is a highly efficient ultraviolet absorber of azimino-benzene series,It
can strongly absorb the ultraviolet ray of wavelength in 270-340nm.
It widely used in PE, PVC, PP, PS, PC, polypropylene fiber,ABS resin, epoxy
resin, resin fiber,and Vinyl acetate, Vinyl ester and so on.Moreover,it can used for
the plastic package of plastic container and food packing box to provided an
excellent light-stabilizer effect. A general dosage is 0.1-1%.
Toxicity: Non-toxicity, Rats by oral LD50=10g/kg, it be allowed to contact directly.
Stoage: Non-toxicity, Noninflammable, Non-explosive, No corrosion,Good
storage stability.
Package: 25KG/ Cardboard barrels or carton lined with plastic bag.