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379999

Sigma-Aldrich

Ammonium carbonate

99.999% trace metals basis

Synonym(s):

Hartshorn salt

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About This Item

Linear Formula:
(NH4)2CO3
CAS Number:
506-87-6
Molecular Weight:
96.09
Beilstein:
4253487
EC Number:
208-058-0
MDL number:
MFCD00010890
UNSPSC Code:
12352300
eCl@ss:
38020208
PubChem Substance ID:
329755736
NACRES:
NA.55

grade

for inorganic trace analysis

Quality Level

100

vapor density

2.7 (vs air)

vapor pressure

1,013.25 hPa °F

description

mixture of variable proportions of ammonium bicarbonate and ammonium carbamate

Assay

99.999% trace metals basis

form

powder

solubility

soluble (Water: slightly soluble)

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 consisting varying amounts of ammonium bicarbonate and ammonium carbamate. The enthalpy of absorption of CO2 in aqueous ammonium carbonate has been determined using reaction calorimeter.

Application

Ammonium carbonate may be used:
  • As a dispersant for SiO2 nano particles for dynamic light scattering, Z-potential, and centrifugal liquid sedimentation measurements.
  • As an eluent in the separation of silica nanoparticles by asymmetric flow field-flow fractionation (AF4) coupled to inductively coupled plasma mass spectrometry (ICPMS) method.
  • In the synthesis of ZnO nanoparticles.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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