Description
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Chemical Name: |
L-Alanine |
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CAS Number: |
56-41-7 |
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Chemical Formula: |
C3H7NO2 |
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Molecular Weight: |
89.0938 |
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Synonyms: |
L-2-Aminopropionic Acid; 2-Aminopropanoic acid; |
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Description: |
White Crystals or crystalline powder |
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* Melting Point: |
314.5℃ - 316.5 ℃ |
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Analytical Procedure |
Specification |
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Assay: |
98.5%~101.5% |
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Specific rotation [α]D20: |
+14.3o to +15.2o |
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State of solution: |
Clear and colorless |
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Transmittance: |
98.0% min. |
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Loss on drying |
0.20% max. |
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PH: |
5.7 to 6.7 |
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Residue on ignition [sulfated]: |
0.1% max |
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Chloride [Cl]: |
0.02% max. |
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Ammonium [NH4+]: |
0.02% max. |
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Sulfate [SO4]: |
0.02% max. |
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Iron [Fe]: |
10ppm max |
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Heavy metals [Pb]: |
10ppm max. |
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Arsenic [As2O3]: |
1ppm max. |
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Other amino acids: |
None |
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