Fluorescent Brightener ER-III

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Optical Brightening Agent OM Chemical name: 4,4’-bis(2,3’-cyano-phenlene)-benzene Structure: Formula: C24H16N2 Molecular Weight: 332 C.I. Num…

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Optical Brightening Agent OM Chemical name: 4,4’-bis(2,3’-cyano-phenlene)-benzene Structure: Formula: C24H16N2 Molecular Weight: 332 C.I. Number: 199: 4 Appearance: slight yellow powder Melting Point: 181~184°C Purity: ≥98.0% Application: mainly be used as whitening agent for polyester fiber, as well the raw material of making paste form brightening agent in textile dyeing. Property: bluish color shade with strong fluorescence, high whitening performance and excellent fastness to sublimation. Maximum UV Absorption Spectrum: 369nm Packing: 20kg per fiber drum

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