A white crystalline powder, practically insoluble in water, in alcohol and in ether. It dissolves in dilute mineral acids and in dilute solutions of alkali hydroxides

Conforms

 Identification

As per EP5 A; B; C

Conforms

 PH

2.8 to 3.0

2.9

 Specific Rotation [a]D20o

-32.5 o to- 35.5 o

-33.6 o

95.0% Min

99.7%

0.5% Max

Conforms

 Chloride (Cl)

0.15% Max

0.04% Max

 Sulfate (SO4)

0.03% Max

0.020% Max

 Iron (Fe)

0.001% Max

0.0005% Max

 Heavy Metals (Pb)

0.001% Max

0.0005% Max

 Loss on Drying

0.5% Max

0.2%

 Residue in Ignition

0.3% Max

0.05%

 Assay

98.5 to 101.0%

100.1%