... . H2OCAS Code: 6106-04-3Form: Solid, GranuleSpecifications: 99% purityMesh Size: 30,40, 50, 60, 80, 120 mesh etc.Storage: Preserve in tight ... .Shelf time: 18 months.Store in cool and dry place; keep out of direct sunlight. 99% MSG monosodium glutamate20,30,40,80 mesh