Caustic Blue Indicator, *% (100mL)$17.74 – $21.53 % Indigo Carmine Choose an option0.5%1.0%Clear Caustic Blue Indicator, *% (100mL) quantity Add to cart SKU: C-300 & C-298 Categories: Indicators, Laboratory Testing Solutions & Chemicals Tag: C Description Additional information Description The 1% solution is more stable and will have a longer shelf-life than the 0.5% solution. Additional information % Indigo Carmine 0.5%, 1.0% Related products Potassium Ferrocyanide, Solution $94.15 – $125.60 Ammonium Hydroxide, *% v/v Solution $15.02 – $39.38 Ammonium Hydroxide, 1:1 Solution $22.66 – $151.82 Ammonium Persulfate, Reagent Grade $29.34 – $67.02