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Appearance
|
White to light yellow powder
|
|
Assay (iodometric; on dried basis)
|
98.0 to 100.5%
|
|
Identity (IR)
|
Passes test
|
|
Melting point
|
107° to 117°C
|
|
Loss on drying at 60°C (in vacuo)
|
Max 2.0%
|
|
Specific optical rotation at 25°C (c = 10% in methanol)
|
+21° to +24°
|
|
Residue on ignition
|
Max 0.1%
|
|
Heavy metal (as Pb)
|
Max 0.001%
|