Bathocuproine, Sulfonated, Sodium Salt,25 G - 14853 Appearance - White to light tan powder/solid, Color of solution, H2O (KF) 12.5 % Max, Sensitivity to Copper CAS #:52698-84-7 UN#:CHEMICAL N Ship Name:BATHOCUPROINE, SULFONATED Formula:C!1!2H!4N!2(CH!3)!2(C!6H!4SO!3Na)!2