1, MF: (C6H11NO4)n 2, CAS: 9012-76-4 3, Color :light yellow powder ItemHigh density ChitosanAppearancelight yellow powderDeacetylated Degree %≥90, 95Moisture %≤8.0Ash %≤1.0Viscosity mpa.s≤100Arsenic ppm (as As)≤0.5Heavy Metals ppm(as Pb)≤10Bulk Density g/ml≥0.6, 0, 7Total Plate Count cfu/g≤1000E.Coli cfu/g≤30SalmonellanegativePackingcarton, 20kg/drum, or according to customer's demands Hot sell ...