| 摘要 |
A storage stable mixture containing 86 to 97% by weight of 2-hydroxy-4-methylthiobutyronitrile, 2 to 14% by weight of water, 0.05 to 0.5% by weight of HCN and having a pH of 1 to 4, measured using a pH electrode at 23� C. is provided. A method to produce the storage stable mixture and its use in manufacture of DL-methionine or 2-hydroxy-4-methylthiobutyric acid is also provided. |
