HomeCONGO RED INDICATOR PAPERSCONGO RED INDICATOR PAPERS Product CodeB-00846BRANDBio-ChemGradeCAS NoNAMolecular FormulaC32H22N6Na2O6S2Molecular Weight696.66H.S.Code2934.00900Shelf Life60 MonthsPurity99 % COAs MSDS Physical Properties Physical state at 20 °CPaperColourRed Color PackagingSpecification AppearanceRed colored paper stripspH 3.0-5.2Blue violet to red orangeSafety Information and Hazard Symbols Symbol: GHS07Signal Word: Danger