DL-methionine

CAS NO.:59-51-8     

MF: C5H11NO2S     

MW: 149.21    

Nature:White flake crystal or powder. It has a special smell. Slightly sweet. Melting point 281 degrees (decomposition). The PH value of 10% aqueous solution is 5.6-6.1. No optical activity. Stable to heat and air. It is unstable to strong acids and can lead to demethylation. Soluble in water (3.3g

100ml,25 ° C), dilute acid and dilute solution. Extremely insoluble in ethanol and almost insoluble in ether. 

Application: It can be used as a nutritional supplement. The physiological effect is the same as L-methionine, but the price is low (L-type is prepared by DL-type), so DL-methionine is generally used. In oats, rye, rice, corn, wheat, peanut powder, soybeans, potatoes, spinach and other plant foods to improve amino acid balance.