... crystallization technique It is also known as sodium glutamate and MSG, a sodium salt of the naturally ... appears as a white crystalline powder which rapidly dissociates into sodium cations and glutamate anions on contact with water ... be observed. Mesh: 20, 30, 40, 60, 80, 100 and powder etc. Purity: 99%, 90%, 80%, 70%, 60%, 50 ... , small bag, carton. Color: Shiny white, crystal. Monosodium glutamate(MSG)