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Place of origin: CN ShaType:AntioxidantsType: nutrition enhancersCAS No.:83512-85-0, 83512-85-0Other names: Poly(beta-(1,4)-d-glucosamine)MF :( C6H11NO4) NEINECS No.:222-311-2FEMA No.:/Brand name: AsclepiusProduct Name: carboxymethyl chitosanAppearance: white or yellowish powder or flakeDegree of substitution:80% minPH:7.0-9.0Heavy metal:u2264 10ppmGrade standard: food grade, medicine gradeSolubility: free soluble in waterOther name:: CMCsMOQ:1kgShelf life:24 months