dye|World dye variety

Name:C.I.Solvent Red 45,C.I.45386

Molecular Structure: Xanthene class

C.I.Solvent Red 45,C.I.45386,CAS 6359-05-3,714.03,C22H11Br4KO5,Eosine spirit soluble,Red Eosine Spirit Sol,Simpsol Red 22200

Molecular Formula:C₂₂H₁₁Br₄KO₅

Molecular Weight: 714.03

CAS Registry Number:6359-05-3

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) ethyl ester and translated into potassium.

Properties and Applications:brilliant blue light red. Slightly soluble in hot water for cherry red, with weak green yellow fluorescence, slightly soluble in ethanol to red, with brown light yellow fluorescence. In concentrated sulfuric acid to yellow, dilution after brown light yellow precipitation.

List of Suppliers:

Eosine spirit soluble( Farbwerke vorm. Meister Lucius &Brtining )

Eosine Spirit Soluble (Simpsons (UK) Ltd)

Red Eosine Spirit Sol (Simpsons (UK) Ltd)

Simpsol Red 22200(Simpsons (UK) Ltd)