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238074

Sigma-Aldrich

Acétate d'ammonium

ACS reagent, ≥97%

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500 G
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Disponible pour expédition le15 avril 2025Détails

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25 G
63,00 $
500 G
164,00 $
2.5 KG
436,00 $

About This Item

Formule linéaire :
CH3CO2NH4
Numéro CAS:
631-61-8
Poids moléculaire :
77.08
Beilstein:
4186741
Numéro CE :
211-162-9
Numéro MDL:
MFCD00013066
Code UNSPSC :
12352300
eCl@ss :
39021908
ID de substance PubChem :
329752506
Nomenclature NACRES :
NA.21

63,00 $

Disponible pour expédition le15 avril 2025Détails

Devis pour commande en gros

Qualité

ACS reagent

Niveau de qualité

200

Pression de vapeur

<0.001 hPa

Essai

≥97%

Forme

powder
solid

Impuretés

≤0.005% insolubles

Résidus de calcination

≤0.01%

pH

6.7-7.3 (25 °C, 5%)

Pf

110-112 °C (dec.) (lit.)

Traces d'anions

chloride (Cl-): ≤5 ppm
nitrate (NO3-): ≤0.001%
sulfate (SO42-): ≤0.001%

Traces de cations

Fe: ≤5 ppm
heavy metals: ≤5 ppm

Chaîne SMILES 

N.CC(O)=O

InChI

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

Clé InChI

USFZMSVCRYTOJT-UHFFFAOYSA-N

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Catégories apparentées

Description générale

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.

Caractéristiques et avantages

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

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

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Certificats d'analyse (COA)

Lot/Batch Number
BCCM9596
MKCT6296
BCCL3244
BCCM6209
BCCL8447

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Separation of the Positional Isomer Quinocide from the Anti-Malarial Drug Primaquine Using a Discovery? HS F5 HPLC Column.
Brondz I and Klein U.
The Reporter, 19 (2006)
Selective inhibition of benzyl ether hydrogenolysis with Pd/C due to the presence of ammonia, pyridine or ammonium acetate.
Sajiki H.
Tetrahedron Letters, 36(20), 3465-3468 (1995)
Reactions of phenanthraquinone and retenequinone with aldehydes and ammonium acetate in acetic acid solution1.
Steck EA and Day AR.
Journal of the American Chemical Society, 65(3), 452-456 (1943)
A new selective preparation of 4H-chromenes by reaction of alkyl cyanoacetate with 3, 5-dibromosalicylaldehyde in the presence of ammonium acetate.
FUJIMOTO A and SAKURAI A.
Synthesis, 1977(12), 871-872 (1977)
Eagleson M.
Concise Encyclopedia Chemistry, 65-65 (1994)
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Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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