|
Appearance |
White crystals or crystalline powder |
|
Specific rotation[α]20/D (C=1 Acetic acid) |
+9.3°+ 2° |
|
Melting point |
159 to 168℃ |
|
Heavy metal(Pb) |
Not more than 20ppm |
|
Arsenic (As2O3) |
Not more than 2ppm |
|
Loss on Drying |
Not more than 0.50% |
|
Residue on ignition |
Not more than 0.30% |
|
Assay |
98.0% to 102% |
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