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Light Yellow Moltec Fluorescent Brightener 185 EBF CAS No 2866-43-5
Product Details
Mat no.10010019 Fluorescent Brightener EBF (FB 185) CAS No.2866-43-5 Light yellow Powder Purity≥99%
| Melting point | 216-220°C |
| Boiling point | 466.4±30.0 °C(Predicted) |
| density | 1.385 |
| Refractive index | 1.6000 (estimate) |
| Acidity coefficient (pKa) | 1.27±0.10(Predicted) |
| Water solubility | 9.551ug/L(25 ºC) |
| EPA chemical substance information | 2,5-Bis(2-benzoxazoyl)thiophene (2866-43-5) |
| Chemical nature | This product is light yellow crystalline powder with bright blue fluorescence. The melting point is 218～219 ℃. It can be miscible with water in any ratio. Resistance to hard water, acid and alkali. After using it, the fabric has good light fastness, chlorine bleaching resistance and good washing fastness. |
| use |
This product is used as a whitening agent for acetate, nylon, polyester, polypropylene, chlorinated and blended fibers. Mainly used in commercial whitening agent EB, and also used for whitening and brightening various polyolefin plastics, BS engineering plastics, organic glass, etc. |
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