dye|World dye variety

Name:C.I.Solvent Red 44,C.I.45385

Molecular Structure: Xanthene class

C.I.Solvent Red 44,C.I.45385,CAS 6359-04-2,700.01,C21H9Br4KO5

Molecular Formula:C₂₁H₉Br₄KO₅

Molecular Weight: 700.01

CAS Registry Number:6359-04-2

Manufacturing Methods : Fluorescein (C.I. Acid Yellow 73, C.I. 45350) in water or ethanol solution bromide into four bromine derivatives, and then into sodium salt, then product (C.I. Acid Red 87) Metaclazepam change and translated into sylvine.

Properties and Applications: brilliant blue light red. Soluble in hot water for cherry red, soluble in ethanol aqueous solution to red, with brown light yellow fluorescence. In concentrated sulfuric acid to yellow, dilution after brown light yellow precipitation. Dye aqueous solution to join sodium hydroxide as dark solution, with green fluorescence.

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