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 L-Serine
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| Alias: |
L-2-amino-3-hydroxy propionic acid |
| CAS RN.: |
56-45-1 |
| Molecular formula: |
HO-CH2-CH-COOH |
| Molecular weight: |
105.09 |
| Appearance and shape: |
It is white crystal or crystalline powder , smellless, without impurity, sweet taste. t is easy to be dissolved in water and hardly to be dissolved in ethanol, acetone and ethyl ether . |
| Picture: |
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| Uses: |
1.Pharmaceutical materials
2.Food: sports beverage, diet beverage;
3.feed |
| Packing: |
25KG fibre drum |
| Quality index: |
USP28 |
Test Items |
Standard |
Assay
, % |
98.5－101.0 |
Specific rotation
[α]D20 |
+14.4o-+15.5o |
Light transmittance, ％, ≥ |
98.0 |
Chloride(Cl), %, ≤ |
0.020 |
Ammonium salt (NH4), ％, ≤ |
0.02 |
Sulfate(SO4), ％, ≤ |
0.020 |
Fe, ≤ |
10ppm |
Heavy metals(Pb), ≤ |
10ppm |
Arsenic
(As2O3), ≤ |
1ppm |
Loss on drying
, ％, ≤ |
0.20 |
Residue on ignition
, ％, ≤ |
0.10 |
Other amino acids |
no other spots |
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| ADD.: RM 1003 10/F Zhaoyin Building, |
| 518 Jianshe Ave., Jianghan Dist., |
| Wuhan, China. |
| Post Code: 430015 |
| Tel Exchange: +86-27-59209880 |
| Fax: +86-27-59209881 |
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