Fluorescent Brightener ER-Ⅰ

Fluorescent 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.
Product Name Fluorescent 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 
Properties 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
Fluorescent Brightener ER-Ⅰmainly used in whitening of polyester fiber and as the raw material of paste form brightening agent in textile dyeing.