CAS No.: | 1119-34-2 |
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Type: | Food Additives |
Appearance: | Powder |
Quality: | Technical |
Colour: | White |
Color: | White |
Samples: |
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Customization: |
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Name | L-Aspartic Acid |
Cas No. | 56-84-8 |
Net Weight | 25kg/drum |
Batch No. | 029-231001E |
SI. NO. | Items | USP2023 | EP10.0 | AJI92 |
1 | Assay | 98.5%~101.5% | 98.5%~ 101.5 % | 99.0%~ 100.5 % |
2 | Identification | The IR spectrum conforms to that of Reference Standard | The IR spectrum conforms to that of Reference Standard | The IR spectrum conforms to that of Reference Standard |
3 | Specific rotation | +24.0°~ +26.0° | +24.0°~ +26.0° | +24.8°~ +25.8° |
4 | pH | —— | —— | 2.5~3.5 |
5 | Transmittance | —— | The solution is clear and not more intensely coloured than reference solution BY6 | ≥98.0% |
6 | Loss on drying | ≤ 0.5% | ≤0.5% | ≤0.20% |
7 | Residue on ignition | ≤ 0.1% | ≤ 0.1% | ≤0.10% |
8 | Chloride | ≤ 0.02% | ≤200 ppm | ≤ 0.020% |
9 | Sulfate | ≤ 0.03% | ≤300 ppm | ≤ 0.020% |
10 | Ammonium | —— | ≤0.02% | ≤0.02% |
11 | Iron | ≤ 10ppm | ≤10 ppm | ≤10 ppm |
12 | Heavy metals | —— | —— | ≤10 ppm |
13 | Arsenic | —— | —— | ≤1ppm |
14 | Other amino acids | Maleic acid ≤ 0.05% Malic acid ≤ 0.20% Fumaric acid ≤ 0.10% Individual impurity ≤ 0.05% Total impurities ≤ 0.10% |
Impurities A ≤ 0.2% Impurities B ≤ 0.10% Impurities H ≤ 0.10% Unspecified impurities : each impurity ≤ 0.10% Total ≤ 0.3% |
Conforms |
15 | Ninhydrin-positive substances | —— | Impurities C,D,G: each impurity ≤ 0.2% Any ninhydrin-positive substance:for each impurity ≤ 0.10% Total ≤ 0.5% |
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16 | Endotoxin | (Optional) | (Optional) | —— |
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