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Acid Red 93

Name:C.I.Acid Red 93,C.I.45435

Molecular Structure: Xanthene class

C.I.Acid Red 93,C.I.45435,CAS 18265-55-9,948.75,C20H4Cl2I4Na2O5

C.I.Acid Red 93,C.I.45435,CAS 18265-55-9,948.75,C20H4Cl2I4Na2O5

Molecular Formula:C20H4Cl2I4Na2O5

Molecular Weight: 948.75

CAS Registry Number:18265-55-9

Manufacturing Methods : 2,7-Dichloro-6-hydroxy-9-phenyl-3H-xanthen-3-one in Potassium chlorate with iodine (or sodium) and Copper chloride in four of the presence of iodine.

Properties and Applications:  blue-ray red. Soluble in water is cherry red, no fluorescence. The strong sulfuric acid to tan, diluted into tan precipitation. In water solution to join sodium hydroxide solution generation after dark red precipitate.

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