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  • Special Additives & Vitamin

  • Allantoin

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  • Allantoin is an imidazolidine-2,4-dione that is 5-aminohydantoin in which a carbamoyl group is attached to the exocyclic nitrogen. Chemical formula    C4H6N4O3 Molar mass              158.117 g·mol−1 Density            1.45 g/cm3 Melting point           230 °C (446 °F; 503 K) (decomposes) Boiling point           478…