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207861 Sigma-Aldrich

Ammonium carbonate

ACS reagent, ≥30.0% NH3 basis

Synonym: Hartshorn salt

  • CAS Number 506-87-6

  • Linear Formula (NH4)2CO3

  • Molecular Weight 96.09

  •  Beilstein/REAXYS Number 4253487

  •  EC Number 208-058-0

  •  MDL number MFCD00010890

  •  eCl@ss 38020208

  •  PubChem Substance ID 329752026

  •  NACRES NA.21

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Properties

Related Categories Acids & Bases, Ammonium Salts, Bases, Chemical Synthesis, Essential Chemicals,
grade   ACS reagent
vapor density   2.7 (vs air)
description   Mixture of variable proportions of ammonium bicarbonate and ammonium carbamate
InChI Key   PRKQVKDSMLBJBJ-UHFFFAOYSA-N
assay   ≥30.0% NH3 basis
impurities   ≤0.005% insolubles
  ≤0.01 nonvolatiles
anion traces   chloride (Cl-): ≤5 ppm
  sulfate (SO42-): ≤0.002%
cation traces   Fe: ≤5 ppm
  heavy metals: ≤5 ppm (by ICP-OES)

Description

General description

Ammonium carbonate is an ammonium salt. It is colorless and is composed of water soluble cubic crystals. It can be synthesized by reacting carbon dioxide with ammonia. It is widely employed as a CO2 source in fire extinguishers. Calorimetric estimation of enthalpies of absorption of CO2 in aqueous solutions of ammonium carbonate in the temperature range of 35-80°C have been reported.

Ammonium carbonate is commonly used in producing ammonium sulfate as a fertilizer. It is formed by the reaction of ammonia and carbon dioxide. Ammonium carbonate is also the principal ingredient of smelling salts because of its characteristic strong ammonia odor.

Application

Ammonium carbonate has been used as a reducing agent in the preparation of an iron-catalyst for supercritical Fischer Tropsch synthesis (SC-FTS). It may also be used in the hydrometallurgical extraction of zinc, copper and nickel.

Ammonium carbonate may be employed in the following studies:
• Preparation of 3,4-dihydropyrimidin-2(1H)-one and 1,4-dihydropyridine derivatives, via Biginelli and Hantzsch reactions.
• Preparation of ammonium carbonate buffer.
• Synthesis of dihyropyridones derivatives.

Packaging

1, 2.5 kg in poly bottle

25, 100, 500 g in poly bottle

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
WGK Germany 
3
RTECS 
BP1925000

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

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Peer-Reviewed Papers
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References

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