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L-Leucine
| [Name]: L-Leucine, L-Leu [Structural formula]: (CH3)2CHCH2CH(NH2)COOH [Molecular Formula]: C6H13NO2 [Molecular weight]: 131.17 [Properties]: White crystals or crystalline powder. Practically odorless,slightly bitter taste. Freely soluble in formic acid , sparingly soluble in water, practically insoluble in ethanol and in ether. [Usage]: -Leucine is one of the eight essential amino acids, mainly used as food additives, and formatting complex amino acid perfusion and preparation. [Quality standard] Pharma Grade(USP32) , Food Grade(FCC V) or discuss. |
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Items |
Pharma Grade(USP32) |
Food Grade(FCCⅤ) |
| Appearance | White crystals or crystalline powder |
White crystals or crystalline powder |
| Assay(on dry matter) | 98.5% ～ 101.5% |
98.5% ～ 101.5% |
| Specific rotation | +14.9º ～ +17.3º |
+14.5º ～ +16.5º |
| PH | 5.5 ～ 7.0 |
-- |
| Loss on drying | 0.2% Max |
0.2% Max |
| Residue on ignition | 0.4% Max |
0.1% Max |
| Chloride | 0.05% Max |
-- |
| Sulfate | 0.03% Max |
-- |
| Iron | 0.003% Max |
-- |
| Heavy metals | 0.0015% Max |
-- |
| Lead | -- |
5mg/kg Max |
| Chromatographic purity | Pass USP test |
| [Packing]: In fiber drum of 25KG net each or according to buyer’s need. [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.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 |
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Copyright(C)2002,
Shijiazhuang Shixing Amino Acid Co.,Ltd. All Rights Reserved. |
