Optical Brightener ER-I -II-III 199 is yellow powder form,can be used for plastics industry,also can be made to be liquid,which used for textile,such as polyester and blend,and it has another name Optical Brightener PS-1
Optical Brightener ER-I 199 powder and Optical Brightener PS-1 Liquid
Product Name | Optical Brightener ER-I 199 |
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 | 25kg per fiber drum |
