Chemical Name

2-(2’-hydroxy-3 ',5 '-di-cumyl phenyl)benzotriazole

Formula

C₃₀H₂₉N₃O

Structure

CAS NO.

70321-86-7

Molecular Weight

447.6

Specifications

Appreance

Off-white powder

Purity

≥99%(HPLC)

Melting Point

139.5-141 ^oC

Ash

≤0.1%

Loss On Drying

≤0.5%

Transmittance

  460 nm≥97%   500 nm≥98%

Advantage and

Application

1. UV-234 has high thermal stability and good compatibility in various substrates.

2. This product is suitable for PC, PVC, POM, PA, polyester, etc..

Recommended

 dosage

Polyester

PC

PVC

0.3-0.5%

0.3-0.5%

0.25-0.5 %

Solubility

(25 ^oC:g/110g Solvent)

Water

N-hexane

Xylene

Ethyl acetate

Toluene

<0.01

1

10

7

36

Package

20/25KG cartons or drums

Louise Su
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