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M26305

Sigma-Aldrich

N-Methylacetamide

≥99%

Synonyme(s) :

Acetylmethylamine

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About This Item

Formule linéaire :
CH3CONHCH3
Numéro CAS:
79-16-3
Poids moléculaire :
73.09
Beilstein:
1071255
Numéro CE :
201-182-6
Numéro MDL:
MFCD00008683
Code UNSPSC :
12352100
ID de substance PubChem :
24896748
Nomenclature NACRES :
NA.22
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Niveau de qualité

200

Essai

≥99%

Indice de réfraction

n20/D 1.433 (lit.)

pb

204-206 °C (lit.)

Pf

26-28 °C (lit.)

Densité

0.957 g/mL at 25 °C (lit.)

Chaîne SMILES 

CNC(C)=O

InChI

1S/C3H7NO/c1-3(5)4-2/h1-2H3,(H,4,5)

Clé InChI

OHLUUHNLEMFGTQ-UHFFFAOYSA-N

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Application

N-Methylacetamide can be used:
  • To synthesize N-methyl-N-(3-thienyl)acetamide by reacting with 3-bromothiophene in the presence of CuI catalyst and N,N′-dimethylethylenediamine.(1)
  • As a ligand to synthesize the zirconium(IV) complex, Zr(MeC(O)NMe)4 by reacting with tetrakis(dimethylamido)zirconium.(2)

Pictogrammes

Health hazard
GHS08

Mention d'avertissement

Danger

Mentions de danger

H360D

Classification des risques

Repr. 1B

Code de la classe de stockage

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

240.8 °F

Point d'éclair (°C)

116 °C

Équipement de protection individuelle

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificats d'analyse (COA)

Lot/Batch Number
BCCM9334
STBL4405
BCCM6518
STBL3758
STBL0761

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Hangfei Chen et al.
Environmental science & technology, 51(20), 11710-11717 (2017-09-15)
Amides represent an important class of nitrogen-containing compounds in the atmosphere that can in theory interact with atmospheric acidic particles and contribute to secondary aerosol formation. In this study, uptake coefficients (γ) of six alkylamides (C
Weifeng Li et al.
The journal of physical chemistry. B, 116(4), 1446-1451 (2012-01-06)
The mechanism of urea-induced protein denaturation is explored through studying the salting effect of urea on 14 amino acid side chain analogues, and N-methylacetamide (NMA) which mimics the protein backbone. The solvation free energies of the 15 molecules were calculated
Bruno A C Horta et al.
Journal of computational chemistry, 33(24), 1907-1917 (2012-06-01)
Considering N-methylacetamide (NMA) as a model compound, new interaction parameters are developed for the amide function in the GROMOS force field that are compatible with the recently derived 53A6(OXY) parameter set for oxygen-containing chemical functions. The resulting set, referred to
M Albertí et al.
Physical chemistry chemical physics : PCCP, 13(18), 8422-8432 (2011-02-19)
A recently formulated intermolecular potential has been adapted to describe the interaction of the N-methylacetamide (NMA) dimer and of the NMA-H(2)O adduct. The pure electrostatic component of the intermolecular potential functional representation is as usual expressed in terms of a
Haibo Yu et al.
Journal of the American Chemical Society, 132(31), 10847-10856 (2010-08-05)
Most current biomolecular simulations are based on potential energy functions that treat the electrostatic energy as a sum of pairwise Coulombic interactions between effective fixed atomic charges. This approximation, in which many-body induced polarization effects are included in an average
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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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