Chromium(III) potassium sulfate dodecahydrate

About Chromium(III) potassium sulfate dodecahydrate

LC1376 Chromium(III) potassium sulfate dodecahydratefor analysis EMSURE ACS,Reag. Ph Eur Order number Packaging Quantity Price AC28376 Glass bottle 250 g 30.83 Product information Grade ACS,Reag. Ph Eur Synonyms Potassium chromium(III) sulfate, Alum chrome Hill Formula CrKO8S2 * 12 H2O Chemical formula KCr(SO4)2 * 12H2O HS Code 2833 30 00 EC number 233-401-6 Molar mass 499.41g/mol CAS number 7788-99-0 Chemical and physical data Solubility 250g/l (25C) Melting point 89C Molar mass 499.41g/mol Density 1.83g/cm3 (20C) Bulk density 800-1000kg/m3 pH value 3 (50g/l, H2O, 20C) Safety information according to GHS Hazard Statement(s) H315: Causes skin irritation.H319: Causes serious eye irritation. Precautionary Statement(s) P302 + P352: IF ON SKIN: Wash with plenty of soap and water.P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Signal Word Warning Hazard Pictogram(s) RTECS GB6845000 Storage class 10 - 13 Other liquids and solids WGK WGK 2 water endangering Disposal 14Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). Safety information R Phrase R 36/38Irritating to eyes and skin. Categories of danger irritant Hazard Symbol Irritant Specifications Assay(iodometric) 99.0 - 102.0% Insoluble matter 0.01% Chloride (Cl) 0.002% Heavy metals(as Pb) 0.01% Al (Aluminium) 0.005% Cu (Copper) 0.001% Fe (Iron) 0.010% NH4 (Ammonium) 0.010% Pb (Lead) 0.005%