Email this pagePrint this page Maleic Anhydride Go back to: Chemical Reagents, pH Indicators and Biological Stains Product Code: C2035 F.W. 98.06CAS# 108-31-6Laboratory Grade Hazard Rating4-Extreme 3-Severe 2-Moderate 1-Slight 0-Minimal Health3 Flammability1 Reactivity2 † Subject to a UPS hazardous material surcharge of $20.00 per shipment. 500 grams$39.60 each 2.5 kg$112.83 each 3-D Molecule Model of Maleic Anhydride : From the ChemExper Chemical Directory MSDS for Maleic Anhydride