CAS Number
7773-06-0
Formula
H2NSO3NH4
Weight
M: 114,12 EC: 231-871-7 NC: 2842 90 80
Minimum assay | 99,0 % |
Melting range (including 133,0°C) | 2°C |
pH of 5% solution | 5,0-6,0 |
MAX. IMPURITIES | |
Insoluble matter in H2O | 0,005 % |
Loss on drying at 105°C | 0,5 % |
Residue on ignition (as SO4) | 0,05 % |
Chloride (Cl) | 0,001 % |
Heavy metals (as Pb) | 0,0005 % |
Ca | 0,001 % |
Cd | 0,0005 % |
Co | 0,0005 % |
Cr | 0,0005 % |
Cu | 0,0005 % |
Fe | 0,0005 % |
K | 0,005 % |
Mg | 0,0005 % |
Mn | 0,0005 % |
Na | 0,005 % |
Ni | 0,0005 % |
Pb | 0,0005 % |
Zn | 0,0005 % |
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