CAS Number
12125-02-9
Formula
NH4Cl
Weight
M: 53,49 EC: 235-186-4 NC: 2827 10 00
Signal Word: Warning
7 H302-H319
| Appearance | White crystalline powder |
| Assay (argentometric) | Min 99,0% |
| Sulphate (SO4) | Max 0,015% |
| Heavy metal (as Pb) | Max 0,001% |
| Arsenic (As) | Max 0,0003% |
| Lead (Pb) | Max 0,001% |
| Calcium (Ca) | Max 0,02% |
| Iron (Fe) | Max 0,002% |
| Copper (Cu) | Max 0,0025% |
| Zinc (Zn) | Max 0,0025% |
| Residue on ignition (at 800°C) | Max 0,1% |
| Iodide, Bromide (I, Br) | p/t. |
| pH (5% solution) | 4,5 - 5,5 |
| Identity | p/t. |
| Clarity of solution | p/t. |
| Acidity or alkalinity | p/t. |
| Loss on drying (at 105°C) | Max 0,5% |
| Thiocyanate (SCN) | p/t. |
| Minimum assay (Arg) | 99,5 % |
| pH of 5% solution | 4,5-5,5 |
| MAX. IMPURITIES | |
| Insoluble matter in H2O | 0,005 % |
| Residue on ignition (as SO4) | 0,01 % |
| Pyridine and homologues | 0,001 % |
| Phosphate (PO4) | 0,0002 % |
| Nitrate (NO3) | 0,001 % |
| Sulphate (SO4) | 0,002 % |
| Iodide (I) | 0,001 % |
| Heavy metals (as Pb) | 0,0005 % |
| Minimum assay (Arg) | 99,5 % |
| pH of 5% solution | 4,5-5,5 |
| MAX. IMPURITIES | |
| Insoluble matter in H2O | 0,005 % |
| Residue on ignition (as SO4) | 0,01 % |
| Pyridine and homologues | 0,001 % |
| Phosphate (PO4) | 0,0002 % |
| Nitrate (NO3) | 0,001 % |
| Sulphate (SO4) | 0,002 % |
| Iodide (I) | 0,001 % |
| Heavy metals (as Pb) | 0,0005 % |
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