Email this pagePrint this page Naphthalene Go back to: Chemical Reagents, pH Indicators and Biological Stains Product Code: C2149 F.W. 128.17CAS# 91-20-3Laboratory Grade, Flake Hazard Rating4-Extreme 3-Severe 2-Moderate 1-Slight 0-Minimal Health2 Flammability2 Reactivity0 † Subject to a UPS hazardous material surcharge of $20.00 per shipment. 500 grams$25.44 each 12 x 500 grams$16.96 each 2.5 kg$76.32 each 4 x 2.5 kg$50.88 each 3-D Molecule Model of Naphthalene : From the ChemExper Chemical Directory MSDS for Naphthalene