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DL-Methionine DL-Methionine
DL-Methionine » DL-Methionine

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DL-Methionine

DL-Methionine

CAS No. 59-51-8
Other Names Methionine
MF C5H11NO2S
EINECS No. 200-562-9
Place of Origin Zhejiang, China (Mainland)
Type Vitamins, Amino Acids and Coenzymes

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DL-Methionine Details

 

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Item Specifications
EP4/BP2001 FCCIV
Appearance White crystalline platelets or powder
Assay (C5H11NO2S),%(on dry matter) 99.0~101.0 98.5~101.5
Clarity of solution, Clear Clear
Transmittance, % (2.5%, 430ml) ≥98.0 - - -
pH Value(5% in water) 5.4~6.1 5.6~6.1
Heavy Metals (as Pb), % ≤0.001 ≤0.002
Arsenic (as As), % ≤0.0001 ≤0.0002
Sulfate (as SO4), % ≤0.02 ≤0.02
Chloride (as Cl),% ≤0.02 - - -
Loss on drying, % ≤0.5 ≤0.5
Residue on ignition, % ≤0.1 ≤0.1
Ammonium as (as NH4), % ≤0.01 - - -
Other amino acid Not detd. No

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