Appearance
|
White crystalline powder
|
Assay (acidimetric; on dried basis)
|
Min 99%
|
Identity (IR)
|
Conforms
|
pH (10% solution)
|
Max 2.0
|
UV absorbance at
|
|
at 200 nm (0.005 mol/L; 1cm; water)
|
Max 0.15
|
at 220 nm (0.005 mol/L; 1cm; water)
|
Max 0.05
|
Water (by KF)
|
Max 1.0%
|