Port | Tianjin Xingang |
Packaging | As required |
Lead Time | 10days |
optical brightener SWN
OBA SWN (CAS:91-44-1) OBA 140 Optical Brighteneing Agent SWN
optical brightener SWN (optical brightener 140) is used in brightening acetate fiber, polyester fiber, polyamide fiber, acetic acid fiber and wool. optical brightener SWN (optical brightener 140) also can be used in cotton, plastic and chromatically press paint, and optical brightener SWN added into resin to whiten the fiber cellulose.
Fluorescent whitener for polyester fiber
Product Details
optical brightener SWN (optical brightener 140)
other name: optical brightener 140, fluorescent brightener SWN, fluorescent whitener SWN
C.I. 140
CAS: 91-44-1
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
EINECS:
202-068-9
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, UVITEX SWN, SWR(Uvitex)
Properties:
optical
brightener SWN (optical brightener 140) is soluble in ethanol,
acidic liquor, resin and varnish. In water, the solubility of
optical brightener SWN (optical brightener 140) is only 0.006
percent. optical brightener SWN (optical brightener 140)
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:
optical
brightener SWN (optical brightener 140) is used in brightening
acetate fiber, polyester fiber, polyamide fiber, acetic acid
fiber and wool. optical brightener SWN (optical brightener 140)
also can be used in cotton, plastic and chromatically press
paint, and optical brightener SWN (optical brightener 140) added
into resin to whiten the fiber cellulose
Package:
Packing in 25kg fiber drum or according to the requirement of the
customers.
Find trusted Optical Brightener for Plastic, Optical Brightener for Fiber, Optical Brightener for Detergent sellers. Any requirements and problems can ask us at any time.
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