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Beijing Yangcun Chemical Co., Ltd

    

buy Optical Brightener SWN


[China]
Posted Date: March 19, 2007    Expiry Date: September 19, 2007
Free Member
   
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: 72-74C
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
 
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Related Categories: Chemical Additives, Auxiliary, Dyestuffs »
Related Product: optical brightener swn, uvitex swn »
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Chemical Additives, Auxiliary: ketamine, phosphoric acid, sodium hydroxide, acetic acid, potassium chloride, sodium bicarbonate, bentonite, calcium chloride, sodium chloride, bromelain, hydrochloric acid, titanium dioxide, potassium nitrate, anhydrous ammonia, stearic acid
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Pigment: printer ink, paint colors
 
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