Mordant Yellow 1 Introduction Attribute Details CAS Number 584-42-9 Chemical Name 2-Hydroxy-5-[(3-nitrophenyl)azo]benzoic acid monosodium salt Molecular Formula C13H8N3NaO5 Molecular Weight 309.21 g/mol Appearance Yellow powder Solubility Soluble in hot water, soluble in ethanol, s…