dye|World dye variety

Name:C.I.Acid Red 98,C.I.45405

Molecular Structure: Xanthene class

C.I.Acid Red 98,C.I.45405,CAS 6441-77-6,792.96,C20H4Br4Cl2K2O5

Molecular Formula:C₂₀H₄Br₄Cl₂K₂O₅

Molecular Weight: 792.96

CAS Registry Number:6441-77-6

Manufacturing Methods : Commonly known Phloxine, Resorcinol and 4,7-Dichloroisobenzofuran-1,3-dione condensation of 4,7 dichloro-dichloro-fluorescein tetrabromide, and converted to potassium.

Properties and Applications:  blue-ray red. Soluble in water is cherry red, with greenish fluorescence. The strong sulfuric acid to tan, heating discoloration, diluted into tan precipitation. In aqueous solution for blue-ray red her person sodium hydroxide solution.

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