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L-METHIONINE
| [Commodity name]: L-METHIONINE
[Structural formula]: CH3SCH2CH2CH(NH2)COOH [Molecular Formula]: C5H11NO2S [Molecular weight]: 149.21 [Properties]: White crystals or crystalline powder,special odor, slightly bitterness. Soluble in water, insoluble in ethanol and in ether. [Standard]: EP 4, USP24 or according to buyer. |
| Items |
EP
4 |
USP24 |
| Assay(on dry basis) | 99%~101 % |
98.5%~101.5% |
| Specific rotation | +22.5°~ +24.0° |
+21.9°~ +24.1° |
| Chloride | 0.02% MAX |
0.05% MAX |
| Ammonium | 0.02% MAX |
- |
| Iron | 0.001% MAX |
0.003% MAX |
| Heavy metals | 0.001% MAX |
0.0015% MAX |
| Arsenic | - |
0.00015% MAX |
| Loss on drying | 0.5% MAX |
0.3% MAX |
| Residue on ignition | 0.1% MAX |
0.1% MAX |
| [USAGE]: L-METHIONINE is one of the
essential amino acids, mainly used as food additives, and formatting
complex amino acid perfusion and preparation. [Packing]: In fiber drum 25KG net each. [Transport and Storage]: Handle with cares to avoid damaging the package, protects them from sunshine or rain. Don’t transport it with poisonous or harmful goods. Stored in shaded, cool and dry places. |
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| Add: NO. 46, FANXI ROAD, SHIJIAZHUANG, CHINA. | P.C.: 050011 |
| Tel: 0086-311-86046166 | Fax: 0086-311-86041112 |
| E-MAIL: gchem@heinfo.net | |
| HTTP:// www.aminoacid-chem.com |
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Copyright(C)2002,
Shijiazhuang Shixing Amino Acid Co.,Ltd. All Rights Reserved. |
