Ammonium bicarbonate
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Ammonium bicarbonate is an inorganic compound with formula (NH4)HCO3. The compound has many names, reflecting its long history. Chemically speaking, it is the bicarbonate salt of the ammonium ion. It is a colourless solid that degrades readily to carbon dioxide, water and ammonia.
Quick Facts Names, Identifiers ...
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Names | |||
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IUPAC name
Ammonium hydrogen carbonate | |||
Other names
Bicarbonate of ammonia, ammonium bicarbonate, hartshorn, AmBic, powdered baking ammonia | |||
Identifiers | |||
3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.012.647 | ||
EC Number |
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E number | E503(ii) (acidity regulators, ...) | ||
PubChem CID |
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RTECS number |
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UNII | |||
UN number | 3077 | ||
CompTox Dashboard (EPA) |
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Properties | |||
NH4HCO3 | |||
Molar mass | 79.056 g/mol | ||
Density | 1.586 g/cm3 | ||
Melting point | 41.9 °C (107.4 °F; 315.0 K) decomposes | ||
11.9 g/100 mL (0 °C) 21.6 g/100 mL (20 °C) 24.8 g/100 mL (25 °C) 36.6 g/100 mL (40 °C) | |||
Solubility | insoluble in methanol | ||
Hazards | |||
Occupational safety and health (OHS/OSH): | |||
Main hazards |
Decomposes to release ammonia | ||
GHS labelling: | |||
[1] | |||
Warning | |||
H302[1] | |||
P264, P270, P301+P312, P330, P501[2] | |||
NFPA 704 (fire diamond) | |||
Flash point | Non-flammable | ||
Safety data sheet (SDS) | ICSC 1333 | ||
Related compounds | |||
Other anions |
Ammonium carbonate | ||
Other cations |
Sodium bicarbonate Potassium bicarbonate | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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