Acid Yellow 185
Name:C.I.Acid Yellow 185,C.I.14101
Molecular Structure: Single azo class,1:2 chromium complex
Molecular Formula:C17H10N2Na2O6S
Molecular Weight: 416.32
CAS Registry Number:61968-07-8
Manufacturing Methods : 6-Aminonaphthalene-1-sulfonic acid diazo, coupled with 2-Hydroxybenzoic acid, and then translate into chromium complex.
Properties and Applications: yellow. Soluble in water for green light yellow, slightly soluble in ethanol for green light yellow. in concentrated sulfuric acid for golden orange, diluted color becomes shallow. Its water solution to join strong hydrochloric acid for green light yellow; Add thick sodium hydroxide solution into gold orange. To be used in leather color.
List of Suppliers:
Indoderme Yellow JS ( Francolor Pigments SA )
Stenochrome Yellow JLS ( S A des Ets. Steiner )