... acid 1) Raw material: white rice and corn 2) Purity: 99%, 3) Sizes: 20,30,40,60,80 4)Packing:25kg ... , 1kg.500g Monosodium Glutamate 99% Mesh size :20-30.40-60.60-80 ,powder ... needs and produce the MSG you want. No.ITEMSSTANDARD Results01Assay99.00%min 99.43%02Specific Rotation +24.8 – 25.3 25.103PH ... complies with the GB/T 8967-2007/FCCIV grade 99% Monosodium Glutamate(MSG)-25kg