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136131

Sigma-Aldrich

1,2-Dimethylimidazole

97%

Synonyme(s) :

1,2-Dimethyl-1H-imidazole, 1,2DMZ

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5 G
30.60 CHF
100 G
42.70 CHF
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212.00 CHF

About This Item

Formule empirique (notation de Hill) :
C5H8N2
Numéro CAS:
1739-84-0
Poids moléculaire :
96.13
Numéro CE :
217-101-2
Numéro MDL:
MFCD00005294
Code UNSPSC :
12352005
ID de substance PubChem :
24848259
Nomenclature NACRES :
NA.22

30.60 CHF

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Devis pour commande en gros

Pression de vapeur

1 mmHg ( 20 °C)

Essai

97%

Forme

solid

Température d'inflammation spontanée

896 °F

pb

204 °C (lit.)

Pf

37-39 °C (lit.)

Densité

1.084 g/mL at 25 °C (lit.)

Chaîne SMILES 

Cc1nccn1C

InChI

1S/C5H8N2/c1-5-6-3-4-7(5)2/h3-4H,1-2H3

Clé InChI

GIWQSPITLQVMSG-UHFFFAOYSA-N

Catégories apparentées

Description générale

1,2-Dimethylimidazole reacts with copper(II) tetraacetate to yield cis-bis(acetato)bis(1,2-dimethylimidazole) copper(II) complex[1]. It undergoes Menschutkin reaction with benzyl bromide to yield 3-benzyl-1,2-dimethylimidazolium bromide and kinetics of reaction was studied in various ionic liquids and molecular organic solvents[2].

Application

1,2-Dimethylimidazole was used in the synthesis of 1,2-dimethyl-3-n-butylimidazoliumchloride and 1,2-dimethyl-3-n-propylimidazolium chloride[3]. It was also used in the synthesis of 1-(2-methoxyethyl)-2,3-dimethylimidazolium chloride and hexafluorophosphate salts[4].

Pictogrammes

CorrosionExclamation mark
GHS05,GHS07

Mention d'avertissement

Danger

Mentions de danger

H302,H315,H318

Conseils de prudence

P280 - P305 + P351 + P338

Classification des risques

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

197.6 °F - closed cup

Point d'éclair (°C)

92 °C - closed cup

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves

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Certificats d'analyse (COA)

Lot/Batch Number
MKCX1478
MKCX0586
MKCV3560
MKCS8649
MKCS8765

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

Alain Lesimple et al.
Journal of mass spectrometry : JMS, 43(1), 35-41 (2007-07-10)
A number of 1,2-dimethylimidazole ionic liquids substituted on N(II) with alkyl chains of varying lengths terminated with sulfur-containing groups were investigated by electrospray high-resolution tandem Fourier-transform mass spectrometry. Fragmentation pathways are strongly dependent on the oxidation state of the sulfur
M M Fitzgerald et al.
Protein science : a publication of the Protein Society, 4(9), 1844-1850 (1995-09-01)
The activated state of cytochrome c peroxidase, compound ES, contains a cation radical on the Trp-191 side chain. We recently reported that replacing this tryptophan with glycine creates a buried cavity at the active site that contains ordered solvent and
The coordination environment of mitochondrial cytochromes b.
K R Carter et al.
FEBS letters, 132(2), 243-246 (1981-09-28)
Wesley A Henderson et al.
Chemical communications (Cambridge, England), (35)(35), 3708-3710 (2006-10-19)
The crystal structures and thermal behavior of the 1-(2-methoxyethyl)-2,3-dimethylimidazolium chloride and hexa-fluorophosphate salts are compared with the analogous 1-butyl-2,3-dimethylimidazolium salts to examine the influence of the ether oxygen on salt thermal properties for a typical constituent cation used in the
Physical properties of substituted imidazolium based ionic liquids gel electrolytes.
Sutto TE, et al.
Zeitschrift fur Naturforschung, A, 57(11), 839-846 (2002)
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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?

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    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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