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CharacteristicWhite crystals or crystalline powder, odourless having a peculiar sweetness. It readily solves in water, slightly in ethanol, does not dissolve in acetone or ethyl ether. Mesh size: 20-80 mesh
AppearanceWhite crystal powder
Appearance of solutionQualified
Shelf life24 Months


Identification AInfrared absorption specrtophotomtry comparison: glycine CRS. If the spectra obtained in the solid state show differences, dissolve the substance to be examined and the reference substance separately in the minimum volume of ethanol (60 percent v/v), evap
Identification BExamine the chrmatograms obtained in the test for ninhydrin-positive substances. The principal spot in the chromatogram obtained with test solution (b) is similar in position, colour and size to the principal spot in the chromatogram obtained with referen
Identification CDissolve 50 mg in 5 ml of water R, add 1 ml of strong sodium hypochlorite solution R and boil for 2 min. Add 1 ml of hydrochloric acid R and boil for 4-5 min. Add 2 ml of hydrochloric acid R and 1 ml of a 20g/l solution of resorcinol R, boil for 1 min and
Assay(on dry basis)98.5 to 101.5%
Chloride (Cl) Max:0.007%
Heavy metals Max:0.001%
ArsenicMax 0.0001%
LeadMax 0.0005%
SulphateMax 0.0065%
Loss on drying(105°C 3h) Max:0.2%
Residue on ignition Max:0.1%
pH(50 g/L water solution)5.5 to 7
Country of originChina