Optical Brightener SWN

Short Description:

Optical brightener SWN is Coumarin Derivatives. It is soluble in ethanol, 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.


Product Detail

Product Tags

Optical Brightener SWN

Formula C14H17NO2
C.I. 140
CAS No. 91-44-1
Chemical Name 7-Diethylamino-4-methylcoumarin
Appearance White crystalline
Melting Point 70.0-75.0
Content >99.0
Volatile Content 0.5
Molecular Weight 213.3
UV Strength 98.0-102-0
Extinction value 1000~1050

Property      

Optical brightener SWN is Coumarin Derivatives. It is soluble in ethanol, 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.

Application 

It's applicable in wool, silk, acetate fiber, triacetate fiber, etc. It also can be used in cotton, plastics?(low temperature) and chromatically press paint, and added into resin to whiten the fiber cellulose. Also can be used for detergent. It can't blend with chloritic natrium.

Package

Fiber drum, carton box or plastic bag. 10kg, 20kg, 25kg per drum.

Storage     

Should be stored in cool,dry and ventilate place, and storage time should not exceed 2 years


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