Email this pagePrint this page Barium Standard - 500 ppm w/v Go back to: Chemical Reagents, pH Indicators and Biological Stains Product Code: C1278 1 ml = 0.5 mg BaIn 3.5% Nitric Acid Hazard Rating4-Extreme 3-Severe 2-Moderate 1-Slight 0-Minimal Health3 Flammability0 Reactivity0 † Subject to a UPS hazardous material surcharge of $20.00 per shipment. 500 mls$31.81 each MSDS for Barium Standard - 500 ppm w/v