dye|World dye variety

Name:C.I.Acid Green 4,C.I.410025

Molecular Structure: nitroso class

C.I.Acid Green 4,C.I.410025,CAS 25424-72-0,878.46,C30H15FeN3Na3O15S3,Naphthol Green G

Molecular Formula:C₃₀H₁₅FeN₃Na₃O₁₅S₃

Molecular Weight: 878.46

CAS Registry Number:25424-72-0

Manufacturing Methods : Will on nitrosation 4-Hydroxynaphthalene-1-sulfonic acid, and then turn it into iron sodium salt.

Properties and Applications:  yellow light green. Soluble in water for yellow-green solution. The strong sulfuric acid for yellow brown, after dilution is yellow, with Potassium ferricyanide blue precipitation. In water solution to join sodium hydroxide don’t change color.

List of Suppliers:

Naphthol Green G( Levinstein Ltd )