Acid Red 25:1
Name:C.I.Acid Red 25:1,C.I.16047
Molecular Structure: Single azo class
Molecular Formula:C17H13N2Na2O4S
Molecular Weight: 364.35
CAS Registry Number:8004-51-4
Manufacturing Methods : O-Methylaniline (0.15 Moore) and 4-Aminonaphthalene-1-sulfonic acid (0.85 Moore) diazo, and 6-Hydroxynaphthalene-2-sulfonic acid (0.25 Moore) and 7-Hydroxynaphthalene-1-sulfonic acid (0.85 Moore) coupled.
Properties and Applications: red. Soluble in water, slightly soluble in ethanol for red orange. The strong sulfuric acid for red purple, diluted for pink. In water solution to join strong hydrochloric acid for red orange; Add thick sodium hydroxide solution for yellow orange.
List of Suppliers:
Crocein Scarlet 3BX( Bayer Group )