Ammonium Bicarbonate - Materials / Alfa Chemistry

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Ammonium Bicarbonate

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Catalog Number

ACMA00014295

Product Name

Ammonium Bicarbonate

Category

Glass Additives; Polymers

Description

Ammonium bicarbonate appears as a white crystalline solid having the odor of ammonia. Soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit spread to the environment. Used to make other ammonium compounds, in food processing, and for other uses.;DryPowder; Liquid;White crystals or crystalline powder;COLOURLESS OR WHITE CRYSTALS WITH CHARACTERISTIC ODOUR.

IUPAC Name

azanium;hydrogen carbonate

Molecular Weight

79.056g/mol

Molecular Formula

CH5NO3;CH5NO3;NH4HCO3;NH4HCO3;CH5NO3

Canonical SMILES

C(=O)(O)[O-].[NH4+]

InChI

InChI=1S/CH₂O3.H3N/c2-1(3)4;/h(H2,2,3,4);1H3

InChI Key

ATRRKUHOCOJYRX-UHFFFAOYSA-N

Melting Point

95 °F (USCG, 1999);Mp 107.5 ° (very rapid heating);107 °C (decomposes)

Density

1.57 at 68 °F (USCG, 1999);1.586 g/cu cm;1.58 g/cm³

Solubility

Freely soluble in water. Insoluble in ethanol;174 mg/mL at 20 °C;Insoluble in alcohol, acetone ... One gram dissolves in 10 mL glycerol (pharmaceutical grade);Insoluble in ethanol, benzene;24.8 g/100 g water at 25 °C;In water: 14% at 10 °C; 17.4% at 20 °C; 21.3% at 30 °C. Decomposed by hot water.;Solubility in water, g/100ml at 20 °C: 17.4 (good)

Application

Ammonium bicarbonate serves multiple purposes across various industries due to its versatile properties. As a leavening agent and dough strengthener, it plays a key role in baking and food processing, where it helps achieve the desired texture and volume in baked goods. In the field of healthcare, it's used in cough syrups and as an antacid, providing therapeutic benefits. Its buffering capability and volatile nature make it valuable in chemical laboratories, particularly for lyophilization and protein digestion processes such as trypsin digestion and MALDI mass spectrometry. In agriculture, it functions as a low-nitrogen fertilizer, primarily used in China. Moreover, its application extends to industrial processes, where it's integral to the production of dyes, pharmaceuticals, catalysts, ceramics, fire-retardants, and plastics. Its ability to decompose under heat, releasing ammonia and carbon dioxide, further exemplifies its utility in various scientific and industrial applications.

Color/Form

Colorless or white crystals;Shiny, hard, colorless or white prisms or crystalline mass

Complexity

24.8

Covalently-Bonded Unit Count

EC Number

213-911-5;213-911-5;233-786-0

Exact Mass

79.026943g/mol

Formal Charge

Heavy Atom Count

ICSC Number

1333

MeSH Entry Terms

ammonium bicarbonate

Monoisotopic Mass

79.026943g/mol

Odor

Faint odor of ammonia

Other Experimental

Comparatively stable at room temperature. Volatile with decomposition at about 60 °C. The white fumes given off consist of NH₃ 21.5%, CO2 55.7%, H₂O vapor 22.8%. Rate of decomposition increases as temperature rises. Negative heat of solution.;May attack copper, nickel and zinc.;Decomposes below its melting point, dissociating into ammonia, carbon dioxide and water.;Heat of solution: 26.4 kJ at 288.2 K

Refractive Index

INDEX OF REFRACTION: 1.423, 1.536, 1.555

Rotatable Bond Count

RTECS Number

BO8600000

Stability

Comparatively stable at room temp; ... the white fumes given off consist of ammonium 21.5%, carbon dioxide 55.7%, water vapor 22.8%; rate of decomposition increases as temperature rises.

UNII

45JP4345C9

UN Number

3077;3077

Vapor Pressure

7.85 kPa (58.9 mm Hg) at 25.4 °C

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