Solvent Red 47
Name:C.I.Solvent Red 47,C.I.45435:1
Molecular Structure: Xanthene class
C.I.Solvent Red 47,C.I.45435:1,CAS 6859-68-3,904.78,C20H6Cl2I4O5
Molecular Formula:C20H6Cl2I4O5
Molecular Weight: 904.78
CAS Registry Number:6859-68-3
Manufacturing Methods :4,7 – dichloro-fluorescein with iodine in potassium (or sodium) and the presence of copper chloride tetraiodide.
Properties and Applications:blue light red. Soluble in water for cherry red, no fluorescence. In concentrated sulfuric acid for brown light yellow, dilution after brown light red precipitation. Dye aqueous solution to join sodium hydroxide have carmine soluble precipitation
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | General | Insoluble | Good | |||
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