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BRC Certified DFI accreditions

L-METHIONINE - DFI-311440

Published:27/06/2018

Description

AppearanceWhite or almost white, crystalline powder or colourless crystals
Shelf life24 Months
Country of originChina
Country of originChina
Shelf life36 months

Specification

IdentificationInfrared absorption
Specific Rotation22.4 to 24.7°
pH5.6 to 6.1
Loss on drying Max:0.3%
Residue on ignition Max:0.4%
Chloride (Cl) Max:0.02%
Sulfate Max:0.03%
Iron (Fe) Max:10ppm
Heavy metals Max:10ppm
Chromatographic purityMeets the requirements
Organic Volatile ImpuritiesMeets the requirements
Assay98.5 to 101%
Lead Max:1ppm
Cadmium Max:0.5ppm
Mercury Max:0.1ppm
Arsenic Max:0.5ppm
SolubilityFreely soluble in water, very slightly soluble in alcohol
Ammonium Max:0.02%
Individual Impurity Max:0.5%
Total impurities Max:2%
Optical Rotation @20°C+22.5° to +24°
Optical rotation(@25°C)+22.4° to +24.7°

Microbiological

Total plate count1000
Total yeasts and moulds Max:100cfu/g
SalmonellaAbsent /10g
EnterobacteriaceaeAbsent /10g
Staphylococcus aureusAbsent
Escherichia ColiAbsent
Total Viable Count Max:1000cfu/g
Staphylococcus aureusAbsent
ColiformsAbsent
Bacillus CereusAbsent
ClostridiumAbsent

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