I. Basic information Chinese Name: Fluorescent Brightener 71 English name: Fluorescent brightener 71 Chinese alias: Fluorescent Brightener CXT formula: C40H38N12Na2O8S2 Molecular Weight: 924.9149 CAS No. 16090-02-1 Appearance: white or light yellow uniform powder The fluorescence intensity (equivalent to standard E370), points: 100 ± 3 color (and standard): Approximate ~ Micro Moisture%: ≤5.0 water content can not be%: ≤0.5 Second, the product description: Fluorescent Brightener 71, is a kind of chemical intermediates, Chinese alias: Fluorescent Brightener CXT. CXT chemical structure of stilbene heterocyclic generic type, with high temperature resistance (heat temperature of 140 ℃), good fastness and fresh brightness, can be used for washing / cotton and blended fabrics by a bath white, and whitening of synthetic detergent, the user synthetic detergent product, can be improved synthetic detergent (especially detergent) appearance, by uniformly mixing with detergent, to achieve the effect of changing its appearance, and reach the clothes whitening, brightening effect.