Mfsorb® 234

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

CAS No.：70321-86-7

EC No. : 274-570-6

Chemical Formula:C30H29N3O

English Synonyms: 2-(2H-BENZOTRIAZOL-2-YL)-4,6-BIS(1-METHYL-1-PHENYLETHYL)PHENOL，2-(3',5'-BIS(1-METHYL-1-PHENYLETHYL)-2'-HYDROXYPHENYL)BENZOTRIAZOLE，TINUVIN 234，TINUVIN 900，2-(2h-benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)-pheno，Ultraviolet absorbent UV-234，UV-234，2-[2'-hydroxy-3',5'-bis(-dimethyl benzyl)-phenyl-benzotriazole，2-[2'-Hydroxy-3',5'-Bis(A,A-Dimethyl Benzyl)-Phenyl]Benzotriazole，2-(2H-BENZOTRIAZOL-2-YL)-4,6-BIS(1-METHY UV ABSORBER 234.

Appearance：Light yellow powder or granule

Purity (GC): 99.0% min

Melting Point: 137.0℃~141.0℃

Volatile：0.5% max

Transmittance：425nm: 97.0% min

                            500nm: 98.0% min

Features& Application：

•High M.W. hydroxyphenyl benzotriazole UV absorber, excellent light stability to a mass of polymers.

•Low volatility, strong light absorption, good compatibility with base materials.

•Shields UV rays, prevents plastic polymer materials from fading, and protects the color of products.

•Used for molds, films, plates and fibers.

Concentration：0.15-0.6%

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