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Guanidine Sulfate
CAS NO .: |
593-87-3 |
Structure formula : |
[HN=C(NH2)2]2·H2SO4·½H2O |
Molecular formula : |
C2H10N6·H2SO4·½H2O |
Molecular weight : |
225.23 |
Quality index : |
Industry grade |
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Item name |
Technic index |
Best quality product |
Second-class product |
Appearance |
White crystal |
White crystal |
Content ≥ |
99% |
98% |
Ammonium salt (as NH4Cl) ≤ |
0.5% |
1.0% |
Water- insolubles ≤ |
0.2% |
0.5% |
Moisture ≤ |
0.2% |
0.3% |
Ash content ≤ |
0.1% |
0.2% |
Water-solubility test |
Qualified |
Qualified |
Melting point range °C |
291-293 |
290-293 |
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Reagent grade |
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Item name |
Technic index |
Best quality product |
Appearance |
White crystal |
Content ≥ |
99% |
Ammonium salt (as NH4Cl) ≤ |
≤ 0.5% |
Water-insolubles ≤ |
0.2% |
Moisture ≤ |
0.2% |
Ash content ≤ |
0.1% |
Water-solubility test |
Qualified |
Melting point range °C |
291-293 |
Absorbency(wavelength of ultraviolet radiation410NM) |
0.05 |
Absorbency(wavelength of ultraviolet radiation 300NM) |
0.1 |
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Packing : |
Packed with 25kg paper barrel,9 tons in 20 feets container. |
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