Description
Product Name: |
L-Arginine |
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CAS Number: |
74-79-3 |
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Chemical Formula: |
C6H14N4O2 |
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Molecular Weight: |
174.2022 |
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Synonyms:
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L-Arginine Free base; L-(+)-Arginine; 2-Amino-5-guanidinovaleric acid; 2-Amino-5-guanidinopentanoic acid; |
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Standard: |
FCCIV/USP33/AJI97 |
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* Melting Point: |
223 - 224 ºC |
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Analytical Procedure |
Specification |
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Appearance: |
White crystalline powder |
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Assay[dry basis]: |
99.0% to 101.0% |
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Specific rotation [α]D20: |
+26.9o to +27.9o |
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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 |
0.50% max. |
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PH: |
10.5 to 12.0 |
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Residue on ignition [sulfated]: |
0.10% 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]: |
0.020% 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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