| abstract |
The invention relates to a chemical compound of the formula (I), n n n Compositions comprising 3-methylthiopropionaldehyde, 3-methylthio-1,1-propanediol, a compound according to formula and water, further processes for their preparation and their use for the preparation of 2-hydroxy-4- (methylthio) butyronitrile, methionine hydantoin, methionine and their Use as a protected form for the storage and / or transport of 3-methylthiopropionaldehyde. |