dye|World dye variety

Name:C.I.Mordant Red 4,C.I.58240

Molecular Structure: anthraquinones

C.I.Mordant Red 4,C.I.58240,CAS 82-29-1,256.21,C14H8O5

Molecular Formula:C₁₄H₈O₅

Molecular Weight: 256.21

CAS Registry Number:82-29-1

Manufacturing Methods :  commonly known as yellow, purple hormone (Flavopurpurin). 9,10-Dioxo-9,10-dihydroanthracene-2,6-disulfonic acid under pressure and Sodium hydroxide and Potassium chlorate and Sodium nitrate or Potassium nitrate heating, and at the same time will be generated 2, 6 – dihydroxyanthraquinone separation open.

Properties and Applications:  dark red (chromium). Soluble in hot ethanol and Cellosolve, slightly soluble in Acetone, cold ethanol, benzene, Chloroform, insoluble in Stout solvent. In concentrated sulfuric acid to dark brown, dilution after yellow orange precipitation.

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