L-Methionine
Inquiry
| Post Date: | Oct 21,2013 |
| Expiry Date: | Oct 21,2014 |
| Detailed Description: |
Cas No. :63-68-3
Details:
Item Specifications AJI92 USP24 FCC IV Description White crystals or crystalline powder Colorless or white lustrous plates, or a white crystalline powder, it has slight, characteristic odor. Identification Infrared absorption spectrum Specific rotation +23.0 - +24.0 +22.4- +24.7 +21.0- +25.0 State of solution (Transmittance) ≥ 98.0% --- Soluble in water, alkali solutions and in dilute mineral acids Chloride(CL) ≤ 0.020% ≤ 0.05% --- Sulfate(SO4) ≤ 0.020% ≤ 0.03% --- Ammonium(NH4) ≤ 0.02% --- Heavy metals(Pb) ≤ 10PPm ≤ 0.0015% ≤ 10ppm Lead --- --- ≤ 10mg/kg Iron(Fe) ≤ 10PPm ≤ 0.003% --- Arsenic(As2O3) ≤ 1PPm --- --- Other amino acids Conforms --- --- Loss on drying ≤ 0.20% ≤ 0.30% ≤ 0.5% Residue on ignition (sulfated) ≤ 0.10% ≤ 0.40% ≤ 0.1% Assay 99.0--- 101.0% 98.5-101.5% 98.5-101.5% PH 5.6-6.1 5.6-6.1 --- O.V.I --- Meet the requirements --- |
| CAS Registry Number: | 63-68-3 |
| Synonyms: | ;(S)-2-Amino-4-(methylthio)butyric acid;H-Met-OH;L-Methionine, USP Grade;(L)-S-methylhomocysteine;2-Methyl Eneghlutaronitrile;Methionine; |
| Molecular Formula: | C5H11NO2S |
| Molecular Weight: | 149.21 |
| Molecular Structure: | 
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| Safety Description: | S24/25:; |
| Company: | zexing amino acid Co,.Ltd [ China ] |
| Contact: | Danae |
| Tel: | 86-0311-87315132 |
| Fax: | 86-0311-87315125 |
| Email: | Danxzx@gmail.com |
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