Chemical Name

2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5-

chlorobenzotriazole

Formula

C₁₇H₁₈N₃OCl

Structure

CAS NO.

3896-11-5

Molecular Weight

315.8

Specifications

Appreance

Yellowish crystalline powder

Purity

≥99%(HPLC)

Melting Point

137-142 ^oC

Ash

≤0.1%

Loss On Drying

≤0.5%

Transmittance

460 nm≥93%   500 nm≥96%

Advantage and Application

1. This product is a high efficient UV absorber, which can effectively absorb 270-380 nm UV light.
2. Odorless, good thermo stability under high temperature.
3. Not stained in alkali，and oil resistant.
4. This product almost does not absorb visible light, particularly applicable to colorless and light-colored products.
5. Mainly applied to polyolefin (especially in food grade products), PVC, PA, ABS resin, AS resin, PU, etc.

Recommended

dosage

PVC

polyolefin

ABS resin

0.2-0.5 %

0.2-0.5%

0.3-0.5%

Package

20KG cartons or drums