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L-VALINE
[Name of product]: L-VALINE
[Chemical Formula]: 
[Molecular Formula]:
C5H11NO2
[Molecular weight]: 117.15
[Character]:White crystalline powder, odorless,lightly sweet but then bitter, freely soluble in water, very slightly soluble in ethanol.
[Quality]:Pharma Grade adopted as USP32
Food grade adopted as the American FCC V
Standard According to buyer's Requirements, Generally |
Items |
Pharma Grade(USP32) |
Food Grade(FCC Ⅴ) |
Appearance |
White crystal powder |
White crystal powder |
Assay(on dry matter) |
98.5% ~ 101.5%
|
98.5% ~101.5 % |
Specific rotation |
+26.6º ~+28.8º |
+26.7º ~+29.0º |
PH |
5.5 ~ 7.0 |
5.5 ~ 7.0 |
Loss on drying |
0.3% Max. |
0.3% Max. |
Residue on ignition |
0.1% Max. |
0.1% Max. |
Chloride |
0.05% Max. |
-- |
Sulfate |
0.03% Max. |
-- |
Iron |
0.003%% Max. |
-- |
Heavy metals |
0.0015% Max. |
-- |
Lead |
-- |
5mg/kg |
Chromatographic purity |
Pass USP test |
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[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. |
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