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473936

Sigma-Aldrich

N-Methylformamide

99%

Synonym(s):

N-Formylmethylamine

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100 ML
$37.40
250 ML
$74.80
1 L
$133.00
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$267.00

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100 ML
$37.40
250 ML
$74.80
1 L
$133.00
2.5 L
$267.00

About This Item

Linear Formula:
HCONHCH3
CAS Number:
123-39-7
Molecular Weight:
59.07
Beilstein/REAXYS Number:
1098352
EC Number:
204-624-6
MDL number:
MFCD00003280
UNSPSC Code:
12352100
PubChem Substance ID:
24870945
NACRES:
NA.22

$37.40

Available to ship onApril 22, 2025Details

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Quality Level

100

assay

99%

refractive index

n20/D 1.432 (lit.)

bp

198-199 °C (lit.)

mp

−4 °C (lit.)

density

1.011 g/mL at 25 °C (lit.)

functional group

amide

SMILES string

[H]C(=O)NC

InChI

1S/C2H5NO/c1-3-2-4/h2H,1H3,(H,3,4)

InChI key

ATHHXGZTWNVVOU-UHFFFAOYSA-N

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General description

N-Methylformamide (NMF), a formamide derivative,[1] is widely employed as an organic solvent.[2] NMF molecule contains C=O and N-H groups, so it can act as a proton donor and acceptor.[3] Its antitumor activities in mice have been assessed.[1] Optical-heterodyne-detected optical Kerr effect (OHD-OKE) spectroscopic evaluation of NMF has been reported.[4] Due to its important physical properties such as high dielectric constant, high solubility, low conductivity and amphiprotic nature, it is suitable for use as a separation medium in capillary electrophoresis studies.[2]

Application

N-Methylformamide may be employed in the preparation of the following:
  • Li2S-P2S5 solid electrolytes (SE)[5]
  • interlayer-condensed materials of protonated layered silicate (magadiite)[6]
  • Li3PS4 solid electrolyte[7]

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Repr. 1B

Storage Class

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

wgk_germany

WGK 1

flash_point_f

231.8 °F - closed cup

flash_point_c

111 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
WXBF4951V
WXBF2684V
WXBF0214V
WXBD7191V
WXBD9466V

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Femtosecond dynamics of hydrogen-bonding solvents. Formamide and N-methylformamide in acetonitrile, DMF, and water.
Chang JY and Castner Jr EW.
J. Chem. Phys. , 99(1), 113-125 (1993)
Preparation of Li2S-P2S5 solid electrolyte from N-methylformamide solution and application for all-solid-state lithium battery.
Teragawa S, et al.
Journal of Power Sources, 248, 939-942 (2014)
Liquid-phase synthesis of a Li3PS4 solid electrolyte using N-methylformamide for all-solid-state lithium batteries.
Teragawa S, et al.
Journal of Material Chemistry A, 2(14), 5095-5099 (2014)
João M M Cordeiro et al.
The Journal of chemical physics, 138(4), 044502-044502 (2013-02-08)
The solvation of N-methylformamide (NMF) by dimethylsulfoxide (DMSO) in a 20% NMF/DMSO liquid mixture is investigated using a combination of neutron diffraction augmented with isotopic substitution and Monte Carlo simulations. The aim is to investigate the solute-solvent interactions and the
P Imrat et al.
Cryobiology, 66(1), 52-59 (2012-11-22)
Semen cryopreservation and artificial insemination (AI) are potentially valuable methods for supporting the breeding management of endangered species like the Asian elephant. Cryopreservation of Asian elephant semen has however proven problematic with respect to maintenance of both adequate semen quality
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Questions

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  1. 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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  2. 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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