| Product Name | 7-Diethylamino-4-methylcoumarin (Fluorescent brightener SWN) |
| CAS No. | 91-44-1 |
| Appearance | White powder |
| Assay | ≥99% |
| Capacity | 500mt/year |
| Min.packing | 1kg |
| Application | Fluorescent brightener/dye intermediate |
| Standard | Enterprise export |
| Manufacturer | Hong Kong tiansheng new material trading Co., LTD. |
| More information | Synonyms: Fluorescent brightener SWN
Optical brightener SWN
Optical Whitener SWN
Fluorescent Brightener 52
7-(Diethylamino)-4-methyl-2H-1-benzopyran-2-one
7-Diethylamino-4-methylcoumarin
4-Methyl-7-(diethylamino)coumarin
Coumarin 1
Fluorescent Brightener 140
Leucophor WS
Molecular Formula: C14H17NO2
Molecular Weight: 231.29
CAS Registry Number: 91-44-1 (61968-71-6;12224-03-2)
EINECS number: 202-068-9
Density: 1.122
Melting point: 70-73 ºC
Flash point: 152 ºC
Water solubility: slightly soluble |
double clearance
Ensure quality and quantity
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Nancy
China Hong Kong
