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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