Appearance	A white or almost white powder, odourless or slightly characteristic odour; tasteless; hygroscopic
Solubility	Soluble in water, in ethanol in isopropanol and in chloroform, insoluble in acetone and ether
Identification
A	IR
B	An organge yellow precipitate is formed
C	A pale blue precipitate is formed
D	A deep red color is produced
E	The substance dissolves
Appearance of solution	Solution S is clear and not more intensely colored than reference solution B6, BY6 or R6
Nitrogen content	11.5-12.8%
Residue on ignition	≤ 0.1%
Lead	≤ 10ppm
Aldehydes	≤ 0.05%
K-valueL	27.0-32.0
Hydrazine	≤ 1ppm
N-vinyl pyrrolidone	≤ 0.001%
2-pyrrolidone	≤ 3.0%
Peroxides	≤ 400ppm
Formic acid	≤ 0.5%
PH(50mg/ml in water)	3.0-5.0
Water	≤ 5.0%
K-Value	27.0-32.4
TAMC	≤ 1000cfu/g
TYMC	≤ 100cfu/g
Staphylococcus aureus	Negative
Salmonella	Negative
Pseudomonas aeruginosa	Negative
E.Coli	Negative

CAS No. 84057-81-8

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