221260
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221260
Sigma-Aldrich
Ammonium iron(III) sulfate dodecahydrate
ACS reagent, 99%
| Synonym: | Ammonium ferric sulfate dodecahydrate |
| CAS Number: | 7783-83-7 |
| Linear Formula: | NH4Fe(SO4)2 · 12H2O |
| Molecular Weight: | 482.19 |
| EC Number: | 233-382-4 |
| MDL number: | MFCD00150004 |
| PubChem Substance ID: | 24853223 |
Description
| Packaging | 2.5 kg in poly btl |
| 25, 500 g in poly btl |
Properties
| grade | ACS reagent |
| assay | 98.5-102.0% (ACS specification) |
| 99% | |
| total impurities | ≤0.01% insolubles |
| ≤0.05% not NH4OH pptd. | |
| mp | 39-41 °C(lit.) |
| anion traces | chloride (Cl-): ≤0.001% |
| nitrate (NO3-): ≤0.01% | |
| cation traces | Cu: ≤0.003% |
| Fe2+:, to pass (lim. ~0.001%) | |
| Zn: ≤0.003% |
Safety
| Personal Protective Equipment | dust mask type N95 (US), Eyeshields, Gloves |
| Hazard Codes | Xi |
| Risk Statements | 36/38 |
| Safety Statements | 26-36/37 |
| WGK Germany | 3 |
| RTECS | WS5900000 |
References
| reference | Corp MSDS 1 (1), 241:A / RegBook 1 (3), 3445:C / Sax 6, 263 / Sigma FT-IR 1 (2), 1022:C |
