dye|World dye variety

Name:C.I.Direct Red 46,C.I.23050

Molecular Structure: Double azo class

C.I.Direct Red 46,C.I.23050,CAS 6548-29-4,969.65,C32H18Cl2N6Na4O12S4

Molecular Formula:C₃₂H₁₈Cl₂N₆Na₄O₁₂S₄

Molecular Weight: 969.65

CAS Registry Number:6548-29-4

Manufacturing Methods : 4-(4-Amino-3-chlorophenyl)-2-chlorobenzenamine double nitriding, and 3-Aminonaphthalene-2,7-disulfonic acid (2 Moore) coupled.

Properties and Applications: colourful red blue light. Soluble in water for red to blue light red, not soluble in ethanol and other organic solvents. The strong sulfuric acid in blue, diluted as a pale red brown. The dye solution to join strong hydrochloric acid for red light brown, have precipitation; Add thick hydrogen for quality solution uranium oxide red, precipitation; Add in 10% sodium hydroxide solution for yellow light red.

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