Suzhou Azalea Dyes foucs on production of green& environmental metal complex dyes, we are inspirational in providing the best products of metal complex solvent dyes!
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Product Name: Rhodamine Bextra Molecular formula: |
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| CAS No. | 81-88-9 |
| Atomic weight | 479.02 |
| Melting Point（℃） | 210～211 |
| Density | 0.79g/mL at 20 ℃ |
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Chemical Properties:Purple powder or green crystal. Easier to soluble in water and the color turns to rose-bengal, bright and beautiful, there is fluorescence when you dilute it. It is mainly used for dying paper and cosmetics, and also for making toner and dying silk. Made by condensation of Hydroxy -Diethyl-m-Aminophenol and o-Phthalic anhydride. Bright green crystal powder. Soluble in water and alcohol turns blue light with red color( with strong fluorescence), Slightly soluble in acetone, and easy to dissolve in ethylene glycol ether. It shows yellow light with brown in strong vitriol and with pretty strong green light fluorescence, it becomes scarlet after dilution, and then blue light with red to orange, cotton-shaped sediment comes out after heated. |
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Usage:It is mainly used for dying paper and cosmetics, and also for making toner and dying silk. It is also used for dying calendered paper of paper industry, typing paper, glazed paper etc, and produce toner with PTMA. |
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