ULTRAVIOLET ABSORBER UV-328

Product Name：2 - (2h-benzotriazole-2-yl) - 4,6-di-tert-amylphenol; Ultraviolet absorber UV-328; Light stabilizer 328。
Model No:
Purity：99%
CAS No：25973-55-1
EINECS No：247-384-8
Molecular Formula：C22H29N3O
Molecular Weight：351.49
Technical indicators：
1、APPEARANCE：Light yellow powder
2、MELTING POINT：80~83℃
3、VOLATILE：≤0.3%
4、Ash content：≤0.1%
5、Loss On Drying：≤ 0.5%
6、TRANSMITTANCE：  460nm   ≥98%
500nm   ≥99%
7、Solubility：soluble in benzene, methyl benzene, ethyl acetate and petroleum rice, slightly soluble in pure ethyl and pure methyl, insoluble in water。
Package: 25kg / cardboard barrel lined with plastic bag。
Application: Suitable for polyolefin (especially PVC), polyester, styrene, polyamide, polycarbonate and other polymers. Mainly applicable to polyolefin, polystyrene, polyvinyl chloride, polyurethane, polyester and other products. It is an excellent variety of benzotriazole UV absorber. UV-328 can be used for polypropylene, polyethylene, PVC, plexiglass, ABS resin, coatings, petroleum products, rubber and other products. This product has good compatibility with a variety of polymers and has antioxidant properties. It can be used with general antioxidants。