S-Carboxymethyl-L-cycteine, Powder

Tests Specifications
Assay More than 98.5%
Identification To pass test
Specific Rotation [a]20D -30.5' ~ -35.5'
Color & Clarity of Solution Colorless and clear
Chloride (Cl) Less than 0.1%
Ammonium (NH4) Less than 0.03%
Sulfate (SO4) Less than 0.05%
Heavy Metals (as Pb) Less than 30 ppm
Iron (Fe) Less than 30 ppm
Arsenic (as As2 O3) Less than 2 ppm
Other Amino Acids Chromatographically not detectable
Loss on Drying Less than 0.5%
Residue on Ignition (as sulfate) Less than 0.1%
Bulk Density 0.5 ~ 0.9 gram/ml

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