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Aqua Solutions, Inc. P.O. Box 70 Deer Park, TX 77536 Ph (281-479-2569) _______________________________________________ SPECIFICATION SHEET Magnesium Sulfate Heptahydrate / Reagent ACS Product Code Chemical Name / Grade Chemical Formula / CAS# Appearance Harmonization Code M0388 Magnesium Sulfate Heptahydrate / Reagent ACS MgSO4 ∙ 7H2O / CAS No. 10034-99-8 Colorless efflorescent solid 2833.21.0000 CHEMICAL ANALYSIS / SPECIFICATIONS Assay 98.0-102.0% MgSO4 · 7H2O Specification Maximum Allowable pH of a 5% solution at 25.o°C 5.0-8.2 Insoluble matter 0.005% Chloride (Cl) 5 ppm Nitrate (NO3) 0.002% Ammonium (NH4) 0.002% Calcium (Ca) 0.02% Manganese (Mn) 5 ppm Potassium (K) 0.005% Sodium (Na) 0.005% Strontium (Sr) 0.005% Heavy metals (as Pb) 5 ppm Iron (Fe) 5 ppm This product is suitable for use in applications where the grade indicated above is required. PREPARATION DATE (1/8/2014) Original 0.0 STN:(1/8/2014) Revision PLEASE REFER TO THE MATERIAL SAFETY DATA SHEET FOR HEALTH, SAFETY, AND REGULATORY INFORMATION ON THIS PRODUCT. Page 1 of 1