Fluorescent whitening agents MDAC

Chemical name: 7-diethylamino-4-methylcoumarin
Structural formula:


Molecular formula: C₁₄H₁₇NO₂

CAS NO.: 91-44-1

C.I.140

Molecular weight: 231.3

The same name: Uvitex SWN

Properties:
       YC Fluorescent brightener SWN is soluble in ethanol, glycol, acidic liquor, resin and varnish. In water, the solubility of SWN is only 0.006 percent. It functions by emitting red light and present purple tincture.

Specifications:
      Appearance: white crystal powder
      Solubility: dissolve in acid water, ethanol and other organic solvent
     Melting Point: 72 -74°C
      Assay: 99% min (HPLC)
      Volatile Content: 0.3%max
      Ash Content: 0.1%max

Application:
      It is used in brightening acetate fiber, polyester fiber, polyamide fiber, acetic acid fiber and wool. It also can be used in cotton, plastic and chromatically press paint, and added into resin to whiten the fiber cellulose

Package:
      Packing in 25kg fiber drum. It also can be packed 250kg in big bag or according to the requirement of the customers.