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Inspection
|
Standard
|
Test Results
|
Appearance |
White or almost white powder |
Conforms |
Identification |
IR |
Conforms |
Assay |
97.0-103.0% |
99.62% |
Specific rotation |
+8.8~+12? |
+10.94? |
Melting point |
213-220℃ |
217.0-219℃ |
Water |
≤0.5% |
0.09% |
Residual on ignition |
≤0.2% |
0.08% |
Heavy metal |
≤0.002% |
0.001% |
Completeness of solution |
Dissolve completely |
Conforms |
Residual Solvents Methanol Methylene chloride |
≤3000ppm ≤500ppm |
80ppm 60ppm |
Particle size |
95% <10μm |
Conforms |
Conclusion |
The result conforms to the USP 39 as above |
CAS NO:24277-39-2
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CAS NO:50-23-7
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