factory low price Fluorescent Brightening Agent Kcb - Special Optical brightener ST-3 for Paint Ink – Credit

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CAS NO: 91-44-1 Color Shade: Blue Appearance: White Powder Application: Best optical brightener For The Wool ,silk Chemcial Name: 7-diethylamino-4-methylcoumarin Transportationg: BY Sea Or By Air Hight whitening Optical Brightener Agent SWN for the wool ,silk . CAS NO 91-44-1 Chemical name: Optical Brightener Agent SWN Structural formula: Molecular formula: C14H17NO2 CAS NO.: 91-44-1 C.I.140 Molecular weight: 231.3 the same name: Uvitex SWR SWN Chemical Structure: Specifications: ...

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factory low price Fluorescent Brightening Agent Kcb - Special Optical brightener ST-3 for Paint Ink – Credit Detail:

CAS NO:	91-44-1	Color Shade:	Blue
Appearance:	White Powder	Application:	Best optical brightener For The Wool ,silk
Chemcial Name:	7-diethylamino-4-methylcoumarin	Transportationg:	BY Sea Or By Air

Hight whitening Optical Brightener Agent SWN for the wool ,silk . CAS NO 91-44-1

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Chemical name: Optical Brightener Agent SWN

Structural formula:

Molecular formula: C₁₄H₁₇NO₂
CAS NO.: 91-44-1
C.I.140
Molecular weight: 231.3
the same name: Uvitex SWR SWN
Chemical Structure:
Specifications:

Appearance	white crystal powder
Solubility	dissolve in ethanol and other organic solvent
Melting Point	72 -74°C
Assay	99% min (HPLC)
Volatile Content	0.3%max
Ash Content	0.15%max

Application:

It is used in brightening acetate fibre, polyester fibre, polyamide fibre, acetic acid fibre and wool.
Packing: 25kg/drum

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