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Beijing Yangcun Chemical Co., Ltd

    
Optical Brightener SWN

Optical Brightener SWN


[Optical Brightener SWN,YC-03] [China]
Posted Date: March 10, 2007
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Description
Chemical name: 7-diethylamino-4-methylcoumarin, 7-(Diethylamino)-4-methyl-2H-1-benzopyran-2-one, Methyl-7-(diethylamino)coumarin, Coumarin 1, MDAC
Molecular formula: C14H17NO2
Molecular weight: 231.3
CAS NO.: 91-44-1
EINECS: 202-068-9
C.I: 140
The same name: Uvitex SWN; SWR (Uvitex); FBO (Blankophor); VPA (Rylux); LS (Delft Weiss) ; WNS(Blancol); WN(Kayaphor).
Optical Brightener SWN, Fluorescent Whitening Agent SWN, Fluorescent Brightener SWN ,C.I.140, Optical Brightening Agent SWN,
Properties:
YC Fluorescent Whitening Agent SWN 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.
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 or according to the requirement of the customers.
 
 
Other Information
Location:  China 
Minimum Order:   
Price for Minimum Order:   
  (This price is only for minimum order, for large quantities, please contact)
Sample Available:  YES 
Price for Sample:   
Sample Shipping Cost:   
Sample Delivery Time:   
Payment Method:   
Related Categories: Chemical Additives, Auxiliary
Related Products: tinopal, methane disulfonic acid »
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