dyes.synthesia.eu / Organic dyes / Optical brightening agents / RYLUX BSU
RYLUX BSU
| Characteristic | |
| C. I. | Fluorescent Brightener 264 |
| C. I. No. | 406235 |
| CAS No. | 68971-49-3 |
| Chemical Class |
Diaminostilbenedisulphonic acid derivate |
| Properties | |
| Commercial form | powder |
| Solubility | 100 g/l at 90°C |
| Efficiency on various types of materials | |
| Textile industry | |
| Cotton | suitable |
| Flax | suitable |
| Viscose | suitable |
| Polyamide | unsuitable |
| Wool | unsuitable |
| Natural silk | unsuitable |
| Paper industry | |
| In mass | usable |
| In surface | suitable |
| In coating | suitable |
| Detergents industry | |
| Cellulosic fibres | |
| Polyamide | |
| Wool | |
| Natural silk | |
| Acetate | |
| Triacetate | |
| Basic application characteristic | |
| Shade of white | bluish violet |
| Ionogenity | anionaktiv |
| Afinity | low |
| Stability | |
| Hard water | stable |
| pH | 2 |
| Oxidizing enviroment | stable |
| Reducing enviroment | stable |
| Sodium hypochlorite | unstable |
| Sodium chlorite | unstable |
| Fastness | cotton | polyamide | wool |
| standard depth | |||
| Light Xenotest | 3-4 | 5 | 4-5 |
| Washing 40°C | 5 | 4 | |
| 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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