Good Quality Optical Brightner Ob for Ink - Optical Brightener SWN – Subang

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Good Quality Optical Brightner Ob for Ink - Optical Brightener SWN – Subang Detail:

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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