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Optical Brightener MDAC

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Chemical name:7-diethylamino-4-methylcoumarin

Molecular formula: C 14 H 17 NO 2

CAS NO.:91-44-1

C.I.Number :140

Molecular weight:231.3 

Equivalent :Uvitex SWN 

 

Properties:

MDAC is soluble in ethanol, glycol, acidic liquor, resin and varnish. It functions by emitting red light and present purple tincture. 

 

Physical and chemical properties:

1.     High whiteness, soluble in organic solvent such as ethanol, etc. Insoluble in water

2.     Good compatibility and solubility

 

Application and Recommended dosage:

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

Application

Recommended Dosage

Remarks

H-PVC 

0.03% - 0.1%


S-PVC

0.02% - 0.08% 

Can be used by mixing with plastic and auxiliary.

Wool

0.05% - 0.35%

 

20% liquid is recommended

Natural silk

0.05% - 0.4%


0.05% - 0.8%

Detergent 

0.001% - 0.005%


 

Packing: 20kg fiber drums or plastic drums.

Shelf life: One year in dry place at normal temperature.

 

 



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