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L-CYSTEINE HCL MONOHYDRATE (FERMENTED) - DFI-777391

Published:16/05/2018

Description

AppearanceWhite or almost White Crystal or Crystalline Powder
StorageStore in dry conditions and fresh place, away from sunlight, water & heat. Avoid any contact with floor and any source of combustion.
Shelf life24 Months

Specification

Assay98.5 to 101.5%
pH1.5 to 2
IdentificationInfrared Absorption Spectrum
Specific Rotation(@25°C)+ 5.7° to +6.7°
Loss on drying8 to 12%
Residue on ignition Max:0.4%
Sulfate Max:0.03%
Ammonium Max:0.02%
Heavy metals Max:10ppm
Lead Max:1ppm
Arsenic Max:1ppm
Cadmium Max:1ppm
Mercury Max:0.1ppm
Iron (Fe) Max:20ppm
Individual Impurity Max:0.5%
Total Impurities Max:2%
PackagingSealed or Closed container
Specific Rotation(@20°C)+5.5° to +7.0°

Microbiological

Total Viable Count Max:1000cfu/g
Yeasts Max:100cfu/g
Moulds Max:100cfu/g
EnterobacteriaceaeNegative/25g
ColiformsNegative/g
Escherichia ColiNegative/g
SalmonellaNegative/10g
Staphylococcus aureusNegative/g

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