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Sigma-Aldrich

Ammonium acetate

99.999% trace metals basis

Synonym(s):

Ammonium ethanoate

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About This Item

Linear Formula:
CH3CO2NH4
CAS Number:
631-61-8
Molecular Weight:
77.08
Beilstein/REAXYS Number:
4186741
EC Number:
211-162-9
MDL number:
MFCD00013066
UNSPSC Code:
12352302
eCl@ss:
39021908
PubChem Substance ID:
24863028
NACRES:
NA.23

assay

99.999% trace metals basis

form

crystalline
solid

technique(s)

HPLC: suitable

impurities

≤20.0 ppm Trace Metal Analysis

mp

110-112 °C (dec.) (lit.)

SMILES string

N.CC(O)=O

InChI

1S/C2H4O2.H3N/c1-2(3)4;/h1H3,(H,3,4);1H3

InChI key

USFZMSVCRYTOJT-UHFFFAOYSA-N

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General description

Ammonium acetate is a white crystalline water-soluble ammonium salt with unique properties that make it suitable for use in solar cells, batteries, and fuel cell catalysts.

Application

Ammonium acetate can be used:
  • To passivate CsPbI3 perovskite nanocrystals for red LEDs. Ammonium acetate effectively eliminate undesired surface metallic lead cations and dangling bonds to enhance the stability and photoluminescence quantum yield (PLQY).
  • As an additive to fabricate high quality perovskite solar cell with enhanced power conversion efficiency (PCE) of 13.9%. It promotes crystallization and improve performance without changing the perovskite composition.
  • As a cost effective and green electrolyte for all-organic battery-supercapacitor hybrid device with maximum energy density.
  • As an electrolyte additive for aqueous zinc batteries. It helps to improve cycling stability and capacity retention.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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