|
Appearance
|
White to yellowish white hygroscopic powder or flakes
|
|
K-value
|
23.0-27.0
|
|
Identification as per USP
|
Complies
|
|
Residue on ignition
|
Max 0.1%
|
|
pH (5% solution)
|
3.0 -7.0
|
|
Water
|
Max 5.0%
|
|
Lead (Pb)
|
Max 0.001%
|
|
Aldehydes
|
Max 0.05%
|
|
Hydrazine (N2H4)
|
Max 0.0001%
|
|
Vinylpyrrolidone
|
Max 0.001%
|
|
Nitrogen content (as N)
|
11.5-12.8%
|