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155810

Sigma-Aldrich

2-甲基四氢呋喃

greener alternative
2-Methyltetrahydrofuran

BioRenewable, ReagentPlus®, ≥99.5%, contains 150-400 ppm BHT as stabilizer

别名:

2-MeTHF, 2-甲基四氢呋喃, 四氢-2甲基呋喃

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100 ML
$120.00
500 ML
$273.00
2.5 L
$500.00
4 L
$745.00

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100 ML
$120.00
500 ML
$273.00
2.5 L
$500.00
4 L
$745.00

About This Item

经验公式（希尔记法）:
C5H10O
CAS号:
96-47-9
分子量:
86.13
Beilstein:
102448
EC號碼:
202-507-4
MDL號碼:
MFCD00005367
分類程式碼代碼:
12352103
PubChem物質ID:
329750937
NACRES:
NA.21
化驗:
≥99.5%
bp:
78-80 °C (lit.)

$120.00

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品質等級

100

產品線

ReagentPlus®

化驗

≥99.5%

形狀

liquid

包含

150-400 ppm BHT as stabilizer

expl. lim.

0.34-6.3 %

環保替代產品特色

Safer Solvents and Auxiliaries
Use of Renewable Feedstocks
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

雜質

≤1.0% water (coulometr.)
≤100 ppm peroxide (as H2O2)

折射率

n20/D 1.406 (lit.)

bp

78-80 °C (lit.)

mp

-136 °C

密度

0.86 g/mL at 25 °C (lit.)

環保替代類別

Aligned,

SMILES 字串

CC1CCCO1

InChI

1S/C5H10O/c1-5-3-2-4-6-5/h5H,2-4H2,1H3

InChI 密鑰

JWUJQDFVADABEY-UHFFFAOYSA-N

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相关类别

一般說明

我们致力于为您带来更加绿色的替代产品，这些产品遵守一项或多项绿色化学12项原则。该产品是可生物再生的，符合“更安全的溶剂和助剂”以及“使用可再生原料”的原则。 点击此处  以获取更多信息。

2-甲基四氢呋喃（2-MTHF）作为2-甲基取代的四氢呋喃来源于生物质，在大多数工业应用中是四氢呋喃 (THF)、1,4-二恶烷（二恶烷）和二氯甲烷 (DCM) 的环保型溶剂替代品。其极性和路易斯碱强度介于四氢呋喃（THF）和乙醚之间。它是有机合成中的潜在绿色溶剂替代品，显示出对锂还原的抵抗力，因为成为锂电池中电解质的潜在候选物。

應用

2-甲基四氢呋喃可用作以下情况的替代溶剂：
有机金属反应中的四氢呋喃
  • Grignard反应
  • Reformantsky反应
  • 锂化
  • 氢化物还原
  • 金属催化偶联（Heck、Stile、Suzuki）




用于双相反应的二氯甲烷:
  • 烷化
  • 酰胺化
  • 亲核取代

特點和優勢

  • 由可再生资源制造 -来源于农业副产品的糠醛
  • 高沸点
  • 清洁的有机-水相分离
  • 减少回收能源

其他說明

浏览其他生物可再生或绿色溶剂

法律資訊

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

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訊號詞

Danger

危險分類

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

安全危害

EUH019

儲存類別代碼

3 - Flammable liquids

水污染物質分類（WGK）

WGK 2

閃點（°F）

14.0 °F - closed cup

閃點（°C）

-10.0 °C - closed cup

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
SHBR7004
MKCW1251
SHBR5744
MKCW4264
MKCV5617

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Mari Merce Cascant et al.
Analytical and bioanalytical chemistry, 409(14), 3527-3539 (2017-04-09)
There is a great interest in finding alternatives and green solvents in extraction processes to replace petroleum based solvents. In order to investigate these possibilities, computational methods, as Hansen solubility parameters (HSP) and conductor-like screening model for real solvent (COSMO-RS)
V R Koch et al.
Science (New York, N.Y.), 204(4392), 499-501 (1979-05-04)
Rechargeable, high energy density lithium batteries require an efficient lithium electrode. Earlier work with electrolytes based on propylene carbonate, methyl acetate, and tetrahydrofuran yielded poor lithium electrode cycling efficiencies because of electrolyte reduction by lithium. Solutions of lithium hexafluoroarsenate in
Solvent applications of 2-methyltetrahydrofuran in organometallic and biphasic reactions.
Aycock DF.
Organic Process Research & Development, 11(1), 156-159 (2007)
Axel Kahnt et al.
Journal of the American Chemical Society, 133(25), 9863-9871 (2011-05-21)
Electron-transfer reactions are fundamental to many practical devices, but because of their complexity, it is often very difficult to interpret measurements done on the complete device. Therefore, studies of model systems are crucial. Here the rates of charge separation and
Tony W T Bristow et al.
Journal of the American Society for Mass Spectrometry, 25(10), 1794-1802 (2014-08-12)
For on-line monitoring of chemical reactions (batch or continuous flow), mass spectrometry (MS) can provide data to (1) determine the fate of starting materials and reagents, (2) confirm the presence of the desired product, (3) identify intermediates and impurities, (4)

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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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  3. What is a BioRenewable solvent?

    1 answer

    1. BioRenewable solvents are sourced from renewable and sustainable biobased materials, such as soy/palm oil, wood waste, hay or corn byproducts, etc. It is important to highlight that our BioRenewable products do not compete with food production.

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  4. Why should you use BioRenewable solvents?

    1 answer

    1. You will contribute to create a sustainable world, significantly lowering environmental impact. Biorenewable solvents also decrease petroleum sources dependency, have higher recovery rates, and/or are safer for handling and disposal.

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  5. Do BioRenewable solvents have a similar quality to petroleum-based solvents?

    1 answer

    1. BioRenewable solvents can have the same or higher purity level compared to traditional solvents. These solvents are free of the many byproducts of petroleum manufacturing, such as benzene, aldehydes, and ethers.

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