dye|World dye variety

Name:C.I.Acid Black 36,C.I.27275

Molecular Structure: Double azo class

C.I.Acid Black 36,C.I.27275,CAS 8004-70-4,962.74,C30H15N4Na5O16S5,Biebrich Patent Black BO

Molecular Formula:C₃₀H₁₅N₄Na₅O₁₆S₅

Molecular Weight: 962.74

CAS Registry Number:8004-70-4

Manufacturing Methods : 4-Aminonaphthalene-2,7-disulfonic acid diazo, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, coupled with 3-Hydroxynaphthalene-2,7-disulfonic acid.

Properties and Applications:  a dark grey light black. Soluble in water for dark red light purple. The strong sulfuric acid in dark green light for blue, diluted into dark purple. In water solution to join hydrochloric acid for blue; Add sodium hydroxide solution for pure blue.

List of Suppliers:

Biebrich Patent Black BO ( Kalle & Co. AG )