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N-ACETYL -L-CYSTEINE POWDER - DFI-740257

Published:09/12/2016

Description

Shelf life36 Months
OdourOdourless
CharacteristicWhite crystals or crystalline powder

Specification

Country of originChina
IdentificationInfrared Absorption
Specific Rotation+21.3 to +27°
State of Solution(Clear and colourless) Min:98%
Chloride (Cl) Max:0.04%
Ammonium Max:0.02%
Sulphate Max:0.03%
Iron (Fe) Max:20ppm
Heavy metals Max:10ppm
Arsenic Max:0.5ppm
Other Amino AcidsChromatographically not detectable
Loss on drying Max:0.5%
Residue on ignition Max:0.2%
Assay98.5 to 101%
pH2 to 2.8
Melting point106 to 110°C
Lead Max:0.5ppm
Cadmium Max:0.5ppm
Mercury Max:0.1ppm
Particle size(Through 40 mesh) Min:50%
Particle size(Through 80 mesh) Max:30%
Bulk Density0.64 to 0.85g/ml
Tapped Density0.82 to 0.95g/ml

Microbiological

Total plate count Max:1000cfu/g
Total yeasts and moulds Max:100cfu/g
Coliforms Max:10cfu/g
Escherichia ColiAbsent
SalmonellaAbsent
Staphylococcus aureusAbsent
Pseudomonas aeruginosaAbsent

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