12303
Sigma-Aldrich
Ammonium iron(III) sulfate dodecahydrate
puriss., ≥99%
| Synonym: | Ammonium ferric sulfate dodecahydrate |
| CAS Number: | 7783-83-7 |
| Linear Formula: | NH4Fe(SO4)2 · 12H2O |
| Molecular Weight: | 482.19 |
| MDL number: | MFCD00150004 |
Properties
| grade | puriss. |
| assay | ≥99% |
| total impurities | ≤0.1% substances not precipitated by NH4OH (as SO4) |
| mp | 39-41 °C(lit.) |
| solubility | H2O: 10 g/dL, in accordance |
| anion traces | chloride (Cl-): ≤20 mg/kg |
| cation traces | Cu: ≤20 mg/kg |
| Fe2+: ≤20 mg/kg | |
| Pb: ≤20 mg/kg | |
| Zn: ≤50 mg/kg |
Safety
References
| reference | Corp MSDS 1 (1), 241:A / RegBook 1 (3), 3445:C / Sax 6, 263 / Sigma FT-IR 1 (2), 1022:C |
