【 constitutional formula 】：HN=C(NH2)2·HCl
【 molecular formula 】：CH5N3·HCL
【 molecular weight 】：95.5
【 standard 】：According to international market consumers demand, it has two kinds of industry grade and medicine grade.
【 Industry grade 】
Item name |
Technology index |
Top grade product |
Second grade product |
Appearance |
White crystal |
White crystal |
Content≥ |
99% |
98% |
Ammonium salt≤ |
0.5% |
1.0% |
Substance not dissolve in water≤ |
0.15% |
0.35% |
Moisture≤ |
0.3% |
0.5% |
Ash content≤ |
0.05% |
0.15% |
Water-solubility test |
Eligible |
Eligible |
Melting point range℃ |
182-186 |
180-184 |
Absorbency 260NM |
0.4 |
Absorbency 280NM |
0.2 |
【 Medicine grade 】
Item name |
Technology index |
Top grade product |
Appearance |
White crystal |
Content≥ |
99% |
Ammonium salt≤ |
0.5% |
Substance not dissolve in water≤ |
0.15% |
Moisture≤ |
0.3% |
Ash content≤ |
0.05% |
Water-solubility test |
Eligible |
Melting point range℃ |
184-188 |
Absorbency （Ultraviolet radiation wavelength 280NM） |
0.02 |
Absorbency （Ultraviolet radiation wavelength 260NM） |
0.04 |
Heavy metal（ppm） |
10 |
Arsenic（ppm） |
3 |
【 purpose 】：The product can use as medicine, pesticide, dyestuff and other organic synthetical intermediate, is the important material for making sulfanilamide and folic acid kinds medicine, it can also use as static-free agent for synthesizing cellulose.
【 package 】：25kg/triad kraft paper bag（90 55）,14T in a container，25kg/ cardboard drum（37 55）,10T in a container。 |
