Optical Brightener Agent

PRODUCT NAME:Optical brightener SWN

Chemical Name       7-diethylamino-4-methylcoumarin

Molecular Formula         C14H17NO2

Molecular Weight   231.3



CAS Number 91-44-1


Specification   Appearance:     White crystalpowder

                 Assay:       99%min (HPLC)

                 Melting Point:72-74°C

                 Volatiles Content     0.5% max

                 Ash content:     0.15%max

                 Solubility:        Dissolve in acid water, ethanol and other organic solvent


Packing   25kg / Fiber drum


Applications   Itis used in brightening acetate fiber, polyester fiber, polyamide fiber, aceticacid fiber and wool. It also can be used in cotton, plastic and chromaticallypress paint, and added into resin to whiten the fiber cellulose.