Fluorescent Brightener ER-II

Fluorescent Brightener ER-II 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. Fluorescent Brightener ER-II mainly used as whitening agent for polyester fiber, as well the raw material of making paste form brightening agent in textile dyeing.

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Product Description

Fluorescent Brightener ER-II 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.

Fluorescent Brightener ER-II mainly used as whitening agent for polyester fiber, as well the raw material of making paste form brightening agent in textile dyeing.

Product Name Fluorescent Brightener ER-II
Chemical Name 1,4'-bis(2,4'-cyano-phenlene)-benzene
CAS No. 13001-38-2
C.I. No. 199:1
Structural Formula
Molecular Formula C24H16N2
Molecular Weight 332
Properties Bluish color shade with high whitening brightening effect and excellent fastness to sublimation.
Technical Index Appearance:slight yellow powder Melting Point:183~185°C
Purity:≥99% Maximum UV Absorption
Spectrum:369nm
Uses Mainly be used as whitening agent for polyester fiber, as well the raw material of making paste form brightening agent in textile dyeing.
Package 10kg/25kg per fiber drum

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