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DL-METHIONINE
| [Commodity name]: DL-METHIONINE
[Structural formula]: CH3SCH2CH2CH(NH2)COOH [Molecular Formula]: C5H11NO2S [Molecular weight]: 149.21 [Properties]: White flake crystal powders, have a special smell, bulk density 1.34g/cm3, melting at 281ºC, It’s soluble in water, slightly soluble in alcohol, belongs of sulfur amino acid and non-toxic. [Standard]: Pharm Grade(EP5),Food Grade(FCC Ⅴ)or according to buyer. |
| Items |
Pharm Grade(EP
5) |
Food Grade(FCC Ⅴ) |
| Appearance |
White
flake crystal powders |
White
flake crystal powders |
| Appearance of Solution | Clear and Colorless |
-- |
| Assay(on dry matter) | 99% ～ 101% |
98.5% ～ 101.5% |
| Loss on drying | 0.5% Max |
0.5% Max |
| Residue on ignition | 0.1% Max |
0.1% Max |
| Chlorides | 200ppm Max |
-- |
| Sulphates | 200ppm Max |
-- |
| Heavy metals | 20ppm Max |
-- |
| PH | 5.4 ～ 6.1 |
5.6 ～ 6.1 |
| Lead | -- |
5mg/kg Max |
| [Packing]: In kraft paper bags or
in fiber drum of 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. |
 |
| Add: NO.260-1, HEPING DONGLU, SHIJIAZHUANG, CHINA. | P.C.: 050011 |
| Tel: 0086-311-86046166 | Fax: 0086-311-86041112 |
| E-MAIL: gchem@heinfo.net | |
| HTTP:// www.aminoacid-chem.com |
| |
|
Copyright(C)2002,
Shijiazhuang Shixing Amino Acid Co.,Ltd. All Rights Reserved. |
