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238074

Ammonium acetate

Name: Ammonium acetate
Brand: SIGALD

ACS reagent, ≥97%

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About This Item

Linear Formula:

CH₃CO₂NH₄

CAS Number:

631-61-8

Molecular Weight:

77.08

NACRES:

NA.21

PubChem Substance ID:

329752506

eCl@ss:

39021908

UNSPSC Code:

12352300

EC Number:

211-162-9

MDL number:

MFCD00013066

Beilstein/REAXYS Number:

4186741

Assay:

≥97%

Grade:

ACS reagent

Form:

powder, solid

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Properties

grade

ACS reagent

Quality Segment

200

vapor pressure

<0.001 hPa

assay

≥97%

form

powder, solid

impurities

≤0.005% insolubles

ign. residue

≤0.01%

pH

6.7-7.3 (25 °C, 5%)

mp

110-112 °C (dec.) (lit.)

anion traces

chloride (Cl^-): ≤5 ppm, nitrate (NO₃^-): ≤0.001%, sulfate (SO₄^2-): ≤0.001%

cation traces

Fe: ≤5 ppm, heavy metals: ≤5 ppm

SMILES string

N.CC(O)=O

InChI

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

InChI key

USFZMSVCRYTOJT-UHFFFAOYSA-N

Description

General description

Ammonium acetate (NH₄CH₃CO₂, NH₄OAc) is a water-soluble, hygroscopic ammonium salt. It is an eco-friendly and inexpensive compound that can be prepared by reacting glacial acetic acid with ammonia or ammonium carbonate. It is used as a catalyst as well as a source of ammonia in organic synthesis.

Application

Ammonium acetate can be used as a reactant as well as a catalyst in the synthesis of:

1,3-oxazine derivatives by three-component condensation reaction with 2-naphthol and aromatic aldehydes.
Symmetrical terpyridine derivatives by treating with aromatic aldehydes and ethyl cyanoacetate.
Isoquinolines, furopyridines, and thienopyridines via Pd-catalyzed sequential coupling-imination-annulation reactions of ortho-bromoarylaldehydes and terminal alkynes.

It can also be used as a nitrogen source to synthesize benzoxazole derivatives via multicomponent condensation reaction with catechols, and various aldehydes in the presence of Fe(III)−salen complex as a catalyst.

Features and Benefits

NH₄OAc is an eco-friendly, shelf-stable, and safe reagent.

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c