dyes.synthesia.eu / Organic dyes / Optical brightening agents / RYLUX DKE
RYLUX DKE
| Characteristic | |
| C. I. | Fluorescent Brightener 71 |
| C. I. No. | 40625 |
| CAS No. | 16090-02-1 |
| Chemical Class |
Diaminostilbenedisulphonic acid derivate |
| Properties | |
| Commercial form | powder |
| Solubility | 2 g/l in water at 98°C |
| Efficiency on various types of materials | |
| Textile industry | |
| Cotton | |
| Flax | |
| Viscose | |
| Polyamide | |
| Wool | |
| Natural silk | |
| Paper industry | |
| In mass | |
| In surface | |
| In coating | |
| Detergents industry | |
| Cellulosic fibres | suitable |
| Polyamide | usable |
| Wool | usable |
| Natural silk | usable |
| Acetate | unsuitable |
| Triacetate | unsuitable |
| Basic application characteristic | |
| Shade of white | bluish violet |
| Ionogenity | anionaktiv |
| Afinity | high |
| Stability | |
| Hard water | stable |
| pH | 6 |
| Oxidizing enviroment | stable |
| Reducing enviroment | stable |
| Sodium hypochlorite | unstable |
| Sodium chlorite | unstable |
| Fastness | cotton | polyamide | wool |
| standard depth | |||
| Light Xenotest | 4 | ||
| Washing 40°C | 5 | ||
| Washing 60°C | 5 |
| Application possibilities |
Application in textile industry 1 
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| Application in textile industry 2
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| Application in paper industry
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| Application in detergents
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| Testing methods | ||||||
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