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Merck

689483

Sigma-Aldrich

1-乙基-3-甲基咪唑乙酸酯

97%

别名:

EMIM Ac

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5 G
$194.00
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$1,220.00

About This Item

经验公式(希尔记法):
C8H14N2O2
分子量:
170.21
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.22

$194.00


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品質等級

化驗

≥96.5% (HPLC)
97%

形狀

liquid

雜質

≤5.0% water

折射率

n20/D 1.501

mp

>30 °C (product can occur as an undercooled melt)

密度

1.101 g/cm3 at 20 °C

SMILES 字串

CC([O-])=O.CCn1cc[n+](C)c1

InChI

1S/C6H11N2.C2H4O2/c1-3-8-5-4-7(2)6-8;1-2(3)4/h4-6H,3H2,1-2H3;1H3,(H,3,4)/q+1;/p-1

InChI 密鑰

XIYUIMLQTKODPS-UHFFFAOYSA-M

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一般說明

1-乙基-3-甲基咪唑鎓乙酸盐是一种非质子咪唑鎓室温离子液体,是纤维素溶剂。[1]用1-乙基-3-甲基咪唑乙酸盐预处理蔗渣可通过酶促糖化反应生成葡萄糖。[2][2]

1-乙基-3-甲基咪唑乙酸盐可作为催化剂在无酸条件下催化纤维素乙酰化反应。[3]

應用

1-乙基-3-甲基咪唑鎓乙酸盐用于制备离子液体铁磁流体(ILF)。[1]

象形圖

Exclamation mark

訊號詞

Warning

危險聲明

危險分類

Acute Tox. 4 Oral - Skin Irrit. 2 - Skin Sens. 1B

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 3

閃點(°F)

327.2 °F - closed cup

閃點(°C)

164 °C - closed cup

個人防護裝備

Eyeshields, Gloves


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Stable and water-tolerant ionic liquid ferrofluids.
Jain N, et al.
ACS Applied Materials & Interfaces, 3(3), 662-667 (2011)
Proton transfer and polarity changes in ionic liquid?water mixtures: a perspective on hydrogen bonds from ab initio molecular dynamics at the example of 1-ethyl-3-methylimidazolium acetate?water mixtures?Part 1
Brehm, Martin, et al.
Physical Chemistry Chemical Physics, 14.15, 5030-5044 (2012)
Interactions of Ionic Liquids with Polysaccharides 1. Unexpected Acetylation of Cellulose with 1?Ethyl?3?methylimidazolium Acetate
Kohler, Sarah, et al.
Macromolecular Rapid Communications, 28.24, 2311-2317 (2007)
Neutron diffraction, NMR and molecular dynamics study of glucose dissolved in the ionic liquid 1-ethyl-3-methylimidazolium acetate
Youngs, Tristan GA, et al.
Chemical Science, 2.8, 1594-0605 (2011)
Structure and dynamics of 1-ethyl-3-methylimidazolium acetate via molecular dynamics and neutron diffraction
Bowron, D. T., et al.
The Journal of Physical Chemistry B, 114.23, 7760-7768 (2010)

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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