Optical Brightener ER-I
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Optical Brightener ER-I

Optical Brightener ER-I is a kind of plastics additives that can absorb UV light then emit visible blue light to reduce the yellowish and make the products whiter. Optical Brightener ER-I mainly used in whitening of polyester fiber and as the raw material of paste form brightening agent in textile dyeing.

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Product Description

Optical Brightener ER-I is a kind of plastics additives that can absorb UV light then emit visible blue light to reduce the yellowish and make the products whiter.
Optical Brightener ER-I mainly used in whitening of polyester fiber and as the raw material of paste form brightening agent in textile dyeing.


Product Name

Optical Brightener ER-I

Chemical Name

1,4'-bis(2-cyanostyryl) Benzene

CAS No.

13001-39-3

C.I. No.

199

Structural Formula

Molecular Formula

C24H16N2

Molecular Weight

332

Porperty

It has high whitening brightening effect and excellent fastness to sublimation.

Technical Index

Appearance:greenish yellow crystalline powder
Melting Point:230-232°C Purity:≥99% Maximum UV Absorption Spectrum:365nm

Uses

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

Package

10kg/25kg per fiber drum




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