Hydrochloric Acid → HCID 20476260, compound

Participants

Reaction Conditions

Reaction Steps

150 Grams (1 mole) of DL-methionine and 100 g (1 mole) of potassium cyanate having 80% purity were mixed with 700 ml of water and stirred at 70° C. for 1 hour. After cooling to room temperature, the reaction solution was adjusted to pH 2~3 with 12% hydrochloric acid to obtain 154 g of DL-methionine hydantoic acid having a melting point of 95°~98° C.

Provenance & Evidence