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1.Assay:98.5% 2.Characteristics: White crystals or crystalline powder 3.Quality Standards: CP2010,USP32,EP5,AJI97,FCC4,BP
Molecular Formula:C4H7NO4
Molecular Weight: 133.10Cas No: 56-84-8Recommended limit: 1 year
AJI97
Test Item | Specification |
Assay | 98.5%~101.0% |
Specific rotation [α]D20° | +24.8°~+25.8° |
PH | 2.5~3.5 |
State of solution (Transmittance) | More Than 98.0% |
Chloride content | Not More Than 0.02% |
Sulfate (SO4) | Not More Than 0.02% |
Ammonium (NH4) | Not More Than 0.02% |
Other amino acids | Not More Than 0.5% |
Loss on drying | Not More Than 0.2% |
Residue on ignition | Not More Than 0.1% |
Iron(Fe) | Not More Than 0.001% |
Heavy metals | Not More Than 0.001% |
Arsenic | Not More Than 0.0001% |
Pyrogen | up to specification |
L-Aspartic Acid