Acid Red 51
Name:C.I.Acid Red 51,C.I.45430
Molecular Structure: Xanthene class
C.I.Acid Red 51,C.I.45430,CAS 16423-68-0,879.86,C20H6I4Na2O5,Erythrosine,Simacid Pink
Molecular Formula:C20H6I4Na2O5
Molecular Weight: 879.86
CAS Registry Number:16423-68-0
Manufacturing Methods : fluorescent element (C.I. Acid Yellow 73, C.I. 45350) or ethanol in aqueous solution of the four iodine, then into sodium salt.
Properties and Applications: blue light pink. Soluble in water is cherry red, no fluorescence. The strong sulfuric acid is palm in light yellow, diluted into palm yellow light precipitation. In water solution to join sodium hydroxide to create soluble red precipitate.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 1 | 3 | 4 | 1 | 2-3 | |||
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