2-(2'-hydroxy-3',5'-di-tert-amyl phenyl) benzotriazole NEW

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Min. Order25kg
Purity99.0%
Cas No25973-55-1
Supply Ability1600 Tons
Update time2025-01-03

Shanghai Tiandui New Material Co., Ltd

1YR

China

Since2020-06-23

AddressRoom J3336, Building 2, No. 988 Andingtang Road, Nanxiang, Jiading District, Shanghai

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Chemical Properties

Product Name	2-(2'-hydroxy-3',5'-di-tert-amyl phenyl) benzotriazole
CAS No	25973-55-1
EC-No
Min. Order	25kg
Purity	99.0%
Supply Ability	1600 Tons
Release date	2025/01/03

Typical Properties

Molecular weight: 351

Melting range ℃: 80-88

Density at 20℃: 1.17

Product form: White-light yellow powder

Solubility at 20℃ ( g/100g solvent ):

Acetone	12	Methyl n-pentanone	35	100# solvent oil	>50	Water	<0.01
Xylene	>50	Propanediol methyl ether acetate	13	Butyl acetate	35	N-hexane	27
Ethanol	2	Diethylene glycol butyl ether	9

Applications

UV Absorber 328 is a benzotriazole UV absorber with strong UV absorption, good solubility and compatibility with the system. 328 can effectively slow down the aging phenomena of coatings such as discoloration, gloss loss, and cracking. It is commonly used in wood coatings, general industrial coatings, and vehicle coatings. 328 is recommended for use in systems that cure at room temperature or low temperature.

Storage

UV Absorber 328 is stable in nature and has no special requirements; pay attention to moisture-proof and avoid high temperature.

Recommended Concentrations

0.1-0.5% (the specific amount to be added is subject to the actual application of the customer).

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