2- (2-Hydroxy-5-Tert-Octylphenyl) -Benzotriazole CAS 3147-75-9 UV-329

Since the establishment of the company, the export of our UV P, Uv Absorber For PC, Uv Absorber For Cosmetics has made great progress. We have a large space for collaboration in terms of target customers, sales channels, technical reserves, and human resources. Our company takes reform and innovation as the driving force to enhance our brand and strengthen the function of capital operation.

Other trade Name: UV-5411

Chemical Name: 2- (2'-Hydroxy-5'-tert-octylphenyl) benzotriazole

Synonyms: 2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol; TINUVIN 329

Formula: C₂₀H₂₅N₃O

Structure:

CAS NO.: 3147-75-9

Molecular Weight: 323.4

Appearance: White powder

Purity: ≥99%

Melting Point: 103-105.3 ^°C

Ash: ≤0.1%

Loss On Drying: ≤0.3%

Transmittance: 440 nm≥97% 500 nm≥98%

Advantage and Application:

1. This product is an excellent high-efficiency, aging-preventing agent, which can effectively absorb 270-380 nm UV light.

2. Non-flammable, non-explosive, non-toxic, harmless to health.

3. This product almost does not absorb visible light, particularly applicable to colorless and light-colored products.

This product is suitable for polyester, rigid PVC, PS, PMMA, PC, ABS resin, etc. It effects better in a transparent products and engineering plastics under high temperature processing. This product can also be used for polyolefin.

Guidelines for use:

The use levels of UV-329 range between 0.1 and 1.0 %, depending on substrate and performance requirements of the final application. The product can be used alone or in combination with other additives such as light stabilizers (hindered amines), antioxidants (hindered phenols, phosphites, thiosynergists, hydroxylamines), and other functional stabilizers and additives. The use of UV-329 in combination with hindered amine light stabilizers is particularly noteworthy in that a synergistic performance is often observed. Performance data of UV-329 alone or in combination with other additives are available in selected substrates.

Package: 25KG cartons or drums

Product quality is the cornerstone of a company's survival, and user needs are the goal of the company's efforts. We will continue to work hard for the development of 2- (2-Hydroxy-5-Tert-Octylphenyl) -Benzotriazole CAS 3147-75-9 UV-329, and strive to meet the needs of new and old users. Since its establishment, our company has maintained cooperative relations with major companies in the spirit of serving customers practically. We believe that being socially responsible is important to our employees, to the global population, to our planet, and critical to the success of our business.

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