216003
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216003
Sigma-Aldrich
Ammonium phosphate monobasic
ACS reagent, ≥98%
| Synonym: | Ammonium dihydrogenphosphate, Mono-ammonium phosphate, prim-Ammonium phosphate |
| CAS Number: | 7722-76-1 |
| Linear Formula: | NH4H2PO4 |
| Molecular Weight: | 115.03 |
| EC Number: | 231-764-5 |
| MDL number: | MFCD00003396 |
| PubChem Substance ID: | 24852930 |
Description
| Packaging | 100, 500 g in poly btl |
| 2.5 kg in poly btl | |
| 5 g in glass btl | |
| Application | Employed in the synthesis of the first example of a mixed-valence ammonium iron phosphate, NH4Fe2(PO4)2.1 |
Properties
| grade | ACS reagent |
| assay | ≥98% |
| total impurities | ≤0.005% NH4OH pptd. |
| ≤0.005% insolubles | |
| pH | 3.8-4.4 (25 °C, 5%) |
| mp | 190 °C (dec.)(lit.) |
| anion traces | chloride (Cl-): ≤5 ppm |
| nitrate (NO3-): ≤0.001% | |
| sulfate (SO42-): ≤0.01% | |
| cation traces | Ca: 0.001% |
| Fe: ≤0.001% | |
| K: ≤0.005% | |
| Mg: 0.005% | |
| Na: ≤0.005% | |
| heavy metals (as Pb): ≤5 ppm |
Safety
| Personal Protective Equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
| WGK Germany | 1 |
References
| Cited Reference | 1. Boudin, S. Lii, K-H. Inorg. Chem. 37, 799, (1998) |
| Merck | Merck 13,547 |
| reference | Corp MSDS 1 (1), 235:C / FT-IR 2 (3), 4744:C / FT-IR 1 (2), 1266:C / RegBook 1 (3), 3427:L / Sax 6, 267 / Sigma FT-IR 1 (2), 283:A |
