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ER series
Features and uses:

ER series are suitable for whitening of the staple polyester fiber and making the paste for the whitening and brightening of polyester fabrics.

Chemical name: 1,4’-bis(2,2’-cyano-phenylene)-benzene
Structure:ER series

Formula: C24H16N2

Molecular Weight: 332

C.I. Number:  199

CAS Number: 13001-39-3

Appearance: greenish yellow crystalline powder

Melting Point: 230~232℃

Purity: ≥98.0%

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

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


Maximum UV Absorption Spectrum: 365nm

Attention: The above information is just for reference. Customers shall adjust the formulations according to actual requirements.

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