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L-Cysteine hydrochloride monohydrate
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[Product
Name]
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L-Cysteine hydrochloride monohydrate
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[Molecular
formula]
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C3H7NO2¡¤HCL¡¤H2O
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[Appearance]
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White crystalline powder
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Assay
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99.0%~100.5%
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Specific rotation
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+5.5¡ã~+7.0¡ã
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Transmittance
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¡Ý98%
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Chloride(Cl)
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19.89%~20.29%
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Amonium(NH4)
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¡Ü0.020%
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Sulfate(SO4)
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¡Ü0.020%
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Iron(Fe)
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¡Ü10ppm
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Heavy metals(Pb)
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¡Ü10ppm
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Arsenic(As2O3)
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¡Ü1ppm
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Other amino acids
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Chromatographically not detectable
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Loss on drying
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8.5%~12.0%
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Residue on ignition
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¡Ü0.1%
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PH value
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1.5~2.0
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