UV Absorber 234

Product name: UV Absorber 234 / UV-900

Chemical Name: 2-(2'-hydroxy-3' ,5' -di-cumyl phenyl)benzotriazole

CAS NO.: 70321-86-7

Molecular Weight: 447.6

Formula: C30H29N3O

Structure

Specifications

Appearance Off-white powder
Purity ≥99%(HPLC)
Melting Point 139.5-141℃
Ash ≤0.1%
Loss On Drying ≤0.5%
Transmittance 460 nm≥97%   500 nm≥98%

Properties and Application:

UV-234 has high thermal stability and good compatibility in various substrates.
This product is suitable for PC, PVC, POM, PA, polyester, etc..

Recommended dosage:

Polyester: 0.3-0.5%

PC: 0.3-0.5%

PVC: 0.25-0.5 %

Solubility (25℃:g/110g Solvent)

Water:<0.01

N-hexane:1

Xylene:10

Ethyl acetate:7

Toluene:36

Package: 20/25kg cartons or drums.

Company Info

Henan Wising Chem Co., Ltd