Allantoin
- CAS NO. : 97-59-6
- CAT NO. : PH-EXC-7596
Physical State: White crystalline powder
Color/Appearance: Colorless crystals or white crystalline powder
Melting Point: 230–240 °C (decomposes)
Density: Approximately 1.45 g/cm³
Solubility: Slightly soluble in water (~0.57 g/100 mL at 25 °C); soluble in hot water, alcohol, and dilute sodium hydroxide; insoluble in ether and chloroform
Refractive Index: 1.8500 (estimate)
Storage Conditions: Store at 2–8 °C in a cool, dry, well-ventilated place; keep container tightly closed; protect from light and moisture
Molecular Formula: C₄H₆N₄O₃
Molecular Weight: 158.12 g/mol