Fluorescent Brightener 393
TECHNICAL DATA SHEET Product name: Fluorescent Brightener 393CAS NO.: 1533-45-5C.I.: 393EINECS: 216-245-3Chemical formula: C28H18N2O2Molecularstructure: Appearance: Shade: Strength: Odor: Specific gravity: PH value: Max spectrum absorption wavelength: Max fluorescence emission wavelength:Melting point: Purity: Ash: Volatile content: Yellowrish/Greenrish powder Similar to the standard 100±3% Weak odor Not availablenot tested374nm(ethanol)434nm 365℃-370℃ ≥98.5% ≤0.5% ≤0.5%Propertyand application: Mainly be used in whitening of polyester fabric and its blends with strong fluorescence,Website:, high whitening performance, and good fastness to light, wash and excellent fastness to sublimation.
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