Email this pagePrint this page Silicon - 98.5% Go back to: Chemical Reagents, pH Indicators and Biological Stains Product Code: C2471 A.W. 28.09CAS# 7440-21-3Lumps Hazard Rating4-Extreme 3-Severe 2-Moderate 1-Slight 0-Minimal Health1 Flammability1 Reactivity1 2.5 kg$56.82 each 500 grams$16.99 each MSDS for Silicon - 98.5%