Molecular formula: (CH2)6N4
Relative m olecular weight: 140.19
Physicochemical properties: white or slightly colored crystals. Sublime from 230 °C, decompose at 263°C, and carbonize at 280°C. Easily soluble in cold water, soluble in ethanol and chloroform, insoluble in ether and ketone.
Technical requirements:
Appearance: white or slightly colored crystals without visible impurities.
Item |
Value |
Purity, % |
99.3 |
Water content, % |
0.5 |
Ash, % |
0.03 |
Appearance of aqueous solution |
regular |
Heavy metal (Pb 2+), % |
0.001 |
Chloride (base on CL -), % |
0.015 |
Sulfate (base on SO42-), % |
0.02 |
Ammonium salt (base on NH3), % |
0.001 |
|
