1,4-Bis(2-cyanostyryl)benzene CAS NO.13001-39-3

Optical Brightening Agent ER Chemical name: 4,4’-bis(2,2’-cyano-phenlene)-benzene Structure: Formula: C24H16N2 Molecular Weight: 332 C.I. Nu…

Optical Brightening Agent ER Chemical name: 4,4’-bis(2,2’-cyano-phenlene)-benzene Structure: Formula: C24H16N2 Molecular Weight: 332 C.I. Number: 199 Appearance: slight yellow powder 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. Maximum UV Absorption Spectrum: 369nm Packing: 20kg per fiber drum