Optical Brightener SWN
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
Write your message here and send it to us