Welcome to Zhejiang Synose Tech Co., Ltd.!

Light stabilizer series

Light Stabilizer UV-2908

Light Stabilizer UV-2908

Chemical Name: Hexadecyl 3,5-di-tert-butyl-4-hydroxybenzoate

Synonyms: 3,5-di-t-Butyl-4-Hydroxybenzoic Acid, Hexadecyl Ester; UV-2908; Hexadecyl-3,5-bis-tert-butyl-4-hydroxybenzoate; Palmitoyl-3,5-di-tert.butyl-4-hydroxybenzoate.

CAS Number: 67845-93-6

Molecular formulaC31H54O3

Molecular weight: 475

Molecular structure






White to faint yellow powder

Melting point, ℃



≥ 98


≤ 60

Loss on drying,%

≤ 0.5


Properties: It is white to faint yellow powder. The specific gravity is 1.07 at 25℃. It is easy soluble in toluene, chloroform, hexane, soluble in acetone etc.

Uses: The product belongs to the class of hindered hydroxybenzoate light stabilizer. UV-2908 is most suitable for the protection of polyolefins, polycarbonate and the systems containing flame retardants and thioesters. It can be used alone or in combination with benzophenone UV stabilizer or phosphite antioxidant, showing good synergistic effect.

    The dosage of UV-2908 ranges between 0.25% and 1% are recommended for protection. It depends on the substrate and performance requirement of the final application.

Performance Benefits

Low volatility, minimal color contribution, good chemical stability, acid and alkali resistant, excellent compatibilty with UV absorbers, HALS, and thioesters, FDA sanctioned to 0.5% in polyolefins

Storage: Closed storage in a cool, dry place

Package: 20, 180kg/drum or as customer require. 

Expiration Date: 1 years

No.1958 Liyu Road Jinhua, Zhejiang, China



Home|About us|News|Products|Custom|Contact us|中文版|English|日本语|Français|Pусский|España
Copyright(C)2017, Zhejiang Synose Tech Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice 浙ICP备06002737号-1