dye|World dye variety

Name:C.I.Acid Red 112,C.I.27195

Molecular Structure: Double azo class

C.I.Acid Red 112,C.I.27195,CAS 6226-79-5,760.57,C22H12N4Na4O13S4,Java Scarlet R,Ponceau S

Molecular Formula:C₂₂H₁₂N₄Na₄O₁₃S₄

Molecular Weight: 760.57

CAS Registry Number:6226-79-5

Manufacturing Methods : 3,4′-Disulfo-4-aininoazobenzene diazo, coupled with 3-Hydroxynaphthalene-2,7-disulfonic acid.

Properties and Applications: colourful red blue light. Soluble in water for product red. The strong sulfuric acid in blue, diluted into orange red. Add in aqueous solution hydrochloric acid basic color; Add sodium hydroxide, thicker solution will appear precipitation.

List of Suppliers:

Java Scarlet R ( Vondelingerplaat Dyestuffs BV )

Ponceau S( Simpsons (UK) Ltd )