dye|World dye variety

Name:C.I.Food Yellow 8,C.I.14270

Molecular Structure: Single azo class

C.I.Food Yellow 8,C.I.14270,CAS 547-57-9,C12H9N2NaO5S,316.27,Uranine

Molecular Formula:C₁₂H₉N₂NaO₅S

Molecular Weight: 316.27

CAS Registry Number:547-57-9

Manufacturing Methods : 4-Aminobenzenesulfonic acid diazo, Coupled with resorcinol.

Properties and Applications: brown light yellow. Soluble in water (golden), ethanol (lemon yellow), acetone and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for yellow, diluted for lemon yellow; In nitric acid solution for yellow. And C.I. Acid orange 5 the same chemical structure.

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