... technique It is also known as sodium glutamate and MSG, a sodium salt of the naturally occurring non-essential ... its pure form, it appears as a white crystalline powder which rapidly dissociates into sodium cations and glutamate anions ... observed. Mesh: 20, 30, 40, 60, 80, 100 and powder etc. Purity: 99%, 90%, 80%, 70%, 60%, 50% etc ... bag, carton. Color: Shiny white, crystal. Monosodium glutamate(MSG)