Sinosorb® UV-234 / UV Absorber 234 CAS 70321-86-7

Chemical Name:2-(2H-benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol

Cas No.:70321-86-7

Synonym:Eversorb 76;Milestab 234;THASORB UV-234;UV Absorber UV-234

Structure:

紫外吸收剂 234

Description

Sinosorb® UV-234 / UV Absorber 234 CAS 70321-86-7

Appearance Off-white powder
Content ≥99%(HPLC)
Melting point 139.5-144℃
Ash ≤0.1%
Volatile ≤0.5%
Transmittance 460nm≥95%   500nm≥97%

UV Absorber 234 Application

Suitable for polycarbonate, polyvinyl chloride, polyoxymethylene, polyamide, polyester, etc.

Polyvinyl chloride Polycarbonate Polyester
0.25-0.5% 0.3-0.5% 0.3-0.5%

SINOSORB® UV-234 has the advantages of good compatibility, low volatility, strong UV absorption, and excellent thermal stability. Suitable for polycarbonate, polyester, polyoxymethylene, polydilute amine, polyphenylene ether, thermoplastic polyurethane and polyurethane fiber, etc.

UV Absorber 234 Storage

Being kept in dry, clean warehouse with well ventilation.
Avoid exposing to light and heating for prevention of oxidation.
Protecting the product from leakage, rain and insolation during transportation.

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