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L-CYSTEINE HCL MONOHYDRATE - DFI-444895

Published:23/03/2016

Description

AppearanceWhite crystals or crystalline powder
StorageKeep container unopened in cool, dry place, prevent from light
Concentration
Shelf life12 Months

Specification

IdentificationInfrared absorption spectrum
Specific Rotation+ 5.5° - + 7.0°
State of Solution Min:98%
Chloride (Cl)19.89 to 20.29%
Ammonium (NH4) Max:0.02%
Sulphate Max:0.02%
Iron (Fe) Max:10ppm
Heavy metals Max:10ppm
Arsenic Max:1ppm
Other Amino AcidsChromatographically not detectable
Loss on drying8.5 to 12%
Residue on ignition Max:0.1%
Assay99 to 100.5%
pH1.5 to 2
Country of originChina