产品信息 - fluorescent brightener ER->Optical Brightening Agent

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Zhejiang Shangyu Chemical Co., Ltd

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fluorescent brightener ER

产品分类 :

化學->染料->螢光增白劑

产品描述

Optical Brightener ER
Chemical name: 4,4-bis(2,2-cyano-phenylene)-benzene
Structure:

Formula: C24H16N2

Molecular Weight: 332

C.I. Number: 199

Appearance: greenish yellow crystalline powder

Melting Point: 230-232ºС

Purity:>99.0%

Application: Mainly be used in whitening of polyester fiber and as the raw material of paste form Brightener in textile dyeing.

Property: with strong fluorescence, high whitening performance and excellent
fastness to sublimation.

Maximum UV Absorption Spectrum: 365nm

Packing: 25kg per fiber drum

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