11204

Sigma-Aldrich

Ammonium carbonate

puriss., meets analytical specification of NF, Ph. Franc., FCC

Synonym(s):
Hartshorn salt
Linear Formula:
(NH4)2CO3
CAS Number:
Molecular Weight:
96.09
Beilstein/REAXYS Number:
4253487
EC Number:
MDL number:
eCl@ss:
38020208
PubChem Substance ID:
NACRES:
NA.21

Quality Level

vapor density

2.7 (vs air)

grade

puriss.

assay

30.0-34.0% NH3 basis (titration)

form

powder or crystals

quality

meets analytical specification of NF, Ph. Franc., FCC

impurities

residual solvents, complies
≤0.0005% heavy metals (as Pb)
≤0.05% non-volatile matter

ign. residue

≤0.05% (as SO4)

anion traces

chloride (Cl-): ≤10 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

As: ≤3 mg/kg
Fe: ≤5 mg/kg
Pb: ≤3 mg/kg

suitability

complies for appearance of solution

SMILES string

N.N.OC(O)=O

InChI

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

InChI key

PRKQVKDSMLBJBJ-UHFFFAOYSA-N

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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.

Application

Ammonium carbonate may be employed in the preparation of 3,4-dihydropyrimidin-2(1H)-one and 1,4-dihydropyridine derivatives, via Biginelli and Hantzsch reactions. It can also be actively used as buffer in the separation, detection, and identification of the peptide fragments generated in the tryptic digests of ovalbumin and serum albumin, via size exclusion liquid chromatography and reverse phase liquid chromatography coupled to mass spectrometry.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
?Two-Dimensional SEC/RPLC Coupled to Mass Spectrometry for the Analysis of Peptides?
Opiteck.JG and Jorgenson.WJ
Journal of Analytical Chemistry, 69, 2283-2291 (1997)
Eagleson M.
Concise Encyclopedia Chemistry (1994)
Synthesis of 3, 4-dihydropyrimidin-2 (1H)-ones and 1, 4-dihydropyridines using ammonium carbonate in water.
Tamaddon F, et al.
Tetrahedron Letters, 51(8), 1187-1189 (2010)
A Polettini et al.
Journal of chromatography. B, Biomedical sciences and applications, 754(2), 447-459 (2001-05-08)
For the first time, an LC-MS-MS method has been developed for the simultaneous analysis of buprenorphine (BUP), norbuprenorphine (NBUP), and buprenorphine-glucuronide (BUPG) in plasma. Analytes were isolated from plasma by C18 SPE and separated by gradient RP-LC. Electrospray ionization and...
Heat of absorption of CO2 in aqueous ammonia and ammonium carbonate/carbamate solutions.
Qin F, et al.
International Journal of Greenhouse Gas Control, 5(3), 405-412 (2011)

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