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| CAS NO: | 91-44-1 | Purity: | 98% |
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| E Value: | 1000 | FORM: | POWDER |
| Application: | Best Whitening Wool,silk | Chemical Name: | 7-Diethylamino-4-methylcoumarin |
| High Light: | optical bleaching agent,fluorescent brightener |
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Best Whitening Optical Brightener Agent SWN/MDAC(CAS NO 91-44-1) fror silk ,wool
Chemical name: 7-Diethylamino-4-methylcoumarin
Molecular formula: C14H17NO2
CAS NO.: 91-44-1
C. I. 140
Molecular weight: 231.3
The same name: Uvitex SWR SWN or the brightener 61.
Property:
1. multipurpose brightener with excellent whiteness, soluble in ethanol but insoluble in water.
2. having properties of good solubility and compatibility.
Application: mainly be used as brightener of wool, natural silk, polyamide fiber and
acrylic fiber.
Process:
Soluble with ethanol before adding.
wool: 0.05-0.35% polyamide fiber: 0.05-0.3%
natural silk: 0.05-0.4% acrylic fiber: 0.05-0.8%
| Appearance | white crystal powder |
| Solubility | dissolve in ethanol and other organic solvent |
| Melting Point | 72 -73°C |
| Assay | 99% min (HPLC) |
| Volatile Content | 0.3%max |
| Ash Content | 0.1%max |
Contact Person: Mr.Wang
Tel: +8618516375790
