dye|World dye variety

Name:C.I.Food Red 1:1,C.I.14700:1

Molecular Structure: Single azo class

C.I.Food Red 1:1,C.I.14700:1,CAS 12227-57-5,436.46,C18H16N2O7S2

Molecular Formula:C₁₈H₁₆N₂O₇S₂

Molecular Weight: 436.46

CAS Registry Number:12227-57-5

Manufacturing Methods : 2,4-Dimethyl-5-aminobenzenesulfonic acid diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid, and then into aluminum salt deposit color.

Properties and Applications: yellow light red. Soluble in water for yellow light red, slightly soluble in alcohol. The strong sulfuric acid is a deep in the red, red after diluted precipitation; In nitric acid solution for orange, then become yellow. The dye solution to join strong hydrochloric acid red slightly deepen; Add thick sodium hydroxide solution for orange.

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