UV Absorber 2908 (UV-2908)with CAS 67845-93-6

CAS No.: 67845-93-6

MF: C31H54O3

MW: 474.76

EINECS No.: 267-342-2

Other Names: UV Absorber 2908; HRsorb-2908; 3,5-bis(1,1-dimethylethyl)-4-hydroxy-benzoicacihexadecylester; Benzoicacid,3,5-bis(1,1-dimethylethyl)-4-hydroxy-,hexadecylester; Hexadecyl 3,5-bis-tert-butyl-4-hydroxybenzoate; HEXADECYL 3,5-DI-TERT-BUTYL-4-HYDROXYBENZOATE; 3,5-Bis[1,1-dimethylethyl]-4-hydroxybenzoic acid hexadecyl ester; 3,5-DI-TERT-BUTYL-4-HYDROXYBENZOIC ACID HEXADECYL ESTER; HEXADECYL 3 5-DI-TERT-BUTYL-4-HYDROXY- &; EINECS 267-342-2; Cyasorb 2908; n-Hexadecyl-3,5-di-tert-butyl-4-hydroxybenzoate; Palmityl 3,5-DI-tert-butyl-4-hydroxybenzoate; 3,5-Di-(t-Butyl)-4-hydroxy benzoic acid, hexadecyl ester; Light Stabilizer UV-2908; light stabilizer 2908; Hexadecyl 3,5-di-t-butyl-4-hydroxy benzoate; UV STABILIZER TRUELICHT UV 2908; JADEWIN UV2908; UV-2908

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What Is UV Absorber 2908 with CAS 67845-93-6?

The UV Absorber 2908 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.

Specification

ITEM	INDEX
Appearance	White to light yellow Powder
Assasy, %	≥ 98
Melting Point(℃)	59.00-64.00℃
Volatile(%)	≤0.50
Volatile(%)	≤0.10
Transmittance(%): 460nm	≥ 95.00
Transmittance(%): 500nm	≥ 97.00

Application

This product is an excellent high-efficiency, aging-preventing agent, capable of absorbing the ultraviolet radiation of 270-340 nanometers, widely applied to PE,PVC,PP,PS,PC,polypropylene fiber, ABS resin, epoxy resin, resin fiber and ethylene -vinyl acetate etc. It can be applied to plastic containers and food-packing boxes as packaging materials, providing good light-stabilizing effect. Recommended dosage:0.1-0.5% for thin products and 0.05-0.2% for thick products.

Packing and storage

25kgs/drum,9tons/20'container, 25kgs/bag, 20tons/20'container.
Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and put down.