China Fluorescent Brightener ER C.I.199 CAS: 13001-39-3 for Textile Optical Whitener ER C.I.199 CAS: 13001-39-3 for Textile, Find details about China Optical Brightener, C. I. 199 from Fluorescent Brightener ER C.I.199 CAS: 13001-39-3 for Textile Optical Whitener ER C.I.199 CAS: 13001-39-3 for Textile
Product name | Optical Brightener ER | |
Description | Chemical name: | 4,4'-bis(2,2'-cyano-phenlene)-benzene |
CAS NO. | 13001-39-3 | |
Formula: | C24H16N2 | |
Molecular Weight: | 332 | |
C.I. Number: | 199 | |
Appearance: | slight yellow powder | |
Maximum UV Absorption Spectrum: | 369nm | |
Melting Point: | 230~232°C | |
Purity: | ≥98.0% | |
Application: | mainly be used as whitening agent for polyester fiber, as well the raw material of making paste form brightening agent in textile dyeing. | |
Property: | bluish color shade with strong fluorescence, high whitening performance and excellent fastness to sublimation. |