Email this pagePrint this page Tannic Acid Go back to: Chemical Reagents, pH Indicators and Biological Stains Product Code: C2844 F.W. 1701.23CAS# 1401-55-4Laboratory Grade, Powder Hazard Rating4-Extreme 3-Severe 2-Moderate 1-Slight 0-Minimal Health1 Flammability1 Reactivity0 100 grams$27.84 each 500 grams$51.70 each 2.5 kg$198.82 each MSDS for Tannic Acid