Ammonium acetate
| Names | |
|---|---|
| IUPAC name
Ammonium ethanoate | |
| Identifiers | |
3D model (JSmol) |
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| ChEBI | |
| ChemSpider | |
| ECHA InfoCard | 100.010.149 |
| EC Number |
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PubChem CID |
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| RTECS number |
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| UNII | |
| UN number | 3077 |
CompTox Dashboard (EPA) |
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| Properties | |
| C2H7NO2 | |
| Molar mass | 77.083 g·mol−1 |
| Appearance | White solid crystals, deliquescent |
| Odor | Slightly acetic acid like |
| Density | 1.17 g/cm3 (20 °C) 1.073 g/cm3 (25 °C) |
| Melting point | 113 °C (235 °F; 386 K) |
| 102 g/100 mL (0 °C) 148 g/100 mL (4 °C) 143 g/100 mL (20 °C) 533 g/100 mL (80 °C) | |
| Solubility | Soluble in alcohol, SO2, acetone, liquid ammonia |
| Solubility in methanol | 7.89 g/100 mL (15 °C) 131.24 g/100 g (94.2 °C) |
| Solubility in dimethylformamide | 0.1 g/100 g |
| Acidity (pKa) | 9.9 |
| Basicity (pKb) | 33 |
| −41.1·10−6 cm3/mol | |
| Viscosity | 21 |
| Structure | |
| Orthorhombic | |
| Thermochemistry | |
Std enthalpy of formation (ΔfH⦵298) |
−615 kJ/mol |
| Hazards | |
| Occupational safety and health (OHS/OSH): | |
Main hazards |
Irritant |
| GHS labelling: | |
| Warning | |
| H303, H316, H320, H333 | |
| P281, P335 | |
| NFPA 704 (fire diamond) | |
| Flash point | 136 °C (277 °F; 409 K) |
| Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
386 mg/kg (mice, intravenous) |
| Safety data sheet (SDS) | JT Baker |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
Ammonium acetate, also known as spirit of Mindererus in aqueous solution, is a chemical compound with the formula NH4CH3CO2. It is a white, hygroscopic solid and can be derived from the reaction of ammonia and acetic acid. It is available commercially.