Ammonium bicarbonate

Ammonium bicarbonate

Names
IUPAC name Ammonium hydrogen carbonate
Other names Bicarbonate of ammonia, ammonium bicarbonate, hartshorn, AmBic, powdered baking ammonia
Identifiers
CAS Number	1066-33-7 Y
3D model (JSmol)	Interactive image
ChemSpider	13395 Y
ECHA InfoCard	100.012.647
EC Number	213-911-5
E number	E503(ii) (acidity regulators, ...)
PubChem CID	14013
RTECS number	BO8600000
UNII	45JP4345C9 Y
UN number	3077
CompTox Dashboard (EPA)	DTXSID5035618
InChI InChI=1S/CH2O3.H3N/c2-1(3)4;/h(H2,2,3,4);1H3 Y Key: ATRRKUHOCOJYRX-UHFFFAOYSA-N Y InChI=1/CH2O3.H3N/c2-1(3)4;/h(H2,2,3,4);1H3 Key: ATRRKUHOCOJYRX-UHFFFAOYAW
SMILES [O-]C(=O)O.[NH4+]
Properties
Chemical formula	NH4HCO3
Molar mass	79.056 g/mol
Density	1.586 g/cm3
Melting point	41.9 °C (107.4 °F; 315.0 K) decomposes
Solubility in water	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:
Pictograms	[1]
Signal word	Warning
Hazard statements	H302[1]
Precautionary statements	P264, P270, P301+P312, P330, P501[2]
NFPA 704 (fire diamond)	2 0 0
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). Y verify (what is YN ?) Infobox references

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.