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L-Methionine

Product Code PG096 Grade Pure
Purity 99% CAS No 63-68-3
Molecular Formula C5H11NO2S Molecular Weight 149.21
H.S.Code 2930.4000 Shelf Life 5 Years

Physical Properties

Physical state at 20 C Solid Colour White Powder Odour Slight odour

Specifications

Description White  Powder
Assay Min 99%
Specific optical rotation +22.5 to +24 deg
pH (2.5% solution) 5.5 - 6.5
Loss on drying (at 105 C) NMT 0.3%
Residue on Ignition (as SO4) NMT 0.1%
Chloride (CI) NMT 0.02%
Sulphate (SO4) NMT 0.03%
Iron (Fe) NMT 0.001%
Heavy Metals (as Pb) NMT 0.001%
Ammonium (NH4) NMT 0.01%
Foreign Amino acid NMT 0.3%
Other Ninhydrin positive substance (as glycine) NMT 0.1%

Packaging

5 Kg, 25 Kg, 50 Kg

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