Product Name:Allantoin CAS:97-59-6 MF:C4H6N4O3 MW:158.12 EINECS:202-592-8 Mol File:97-59-6.mol Melting point:230 �°C (dec.)(lit.) Boiling point:283.17�°C (rough estimate) Density 1.6031 (rough estimate) refractive index 1.8500 (estimate) Flash point:230-234�°C storage temp. Refrigerator solubility H2O: soluble0.1g/10 mL, clear, colorless form Powder pka8.96(at 25�ºC) color White Water Solubility Slightly soluble in water. Freely soluble in alkalis Decomposition 230-234 �ºC Merck 14,258 BRN 102364 Stability:Stable. Incompatible with strong oxidizing agents.