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重要文件

296112

Sigma-Aldrich

二乙基锌 溶液

1.0 M in hexanes

同義詞:

Zincdiethyl

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About This Item

線性公式:
(C2H5)2Zn
CAS號碼:
分子量::
123.51
Beilstein:
3587207
MDL號碼:
分類程式碼代碼:
12352103
PubChem物質ID:
NACRES:
NA.22
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品質等級

濃度

1.0 M in hexanes

密度

0.726 g/mL at 25 °C

SMILES 字串

CC[Zn]CC

InChI

1S/2C2H5.Zn/c2*1-2;/h2*1H2,2H3;

InChI 密鑰

HQWPLXHWEZZGKY-UHFFFAOYSA-N

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應用

二乙基锌溶液可作为试剂用于制备:
  • 在Rh(I)催化下由α, β-不饱和酮类化合物制备α-三氟甲基酮类化合物。[1]
  • 用于交叉偶联反应的炔基锌试剂。[2]
  • 在樟脑衍生β-氨基醇的存在下由芳香族和脂肪族醛制备手性二级醇。[3]
  • 与α,β-不饱和酮共同制备1, 4共轭加成产物。[4]
  • 从醛和酮类化合物制备α-氟丙烯酸。[5]

訊號詞

Danger

危險分類

Aquatic Chronic 2 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 2 - Pyr. Liq. 1 - Repr. 2 - Skin Corr. 1B - STOT RE 1 Inhalation - STOT SE 3 - Water-react 1

標靶器官

Central nervous system, Nervous system

安全危害

儲存類別代碼

4.2 - Pyrophoric and self-heating hazardous materials

水污染物質分類(WGK)

WGK 3

閃點(°F)

-9.4 °F - closed cup

閃點(°C)

-23 °C - closed cup

個人防護裝備

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


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分析證明 (COA)

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Novel and general cross-coupling reactions of alkynylzinc reagents and organotellurium compounds
Dabdoub MJ, et al.
Tetrahedron Letters, 41(4), 437-440 (2000)
Enantioselective copper-catalyzed conjugate addition using chiral diaminocarbene ligands
Guillen F, et al.
Tetrahedron Asymmetry, 12(15), 2083-2086 (2001)
Asymmetric addition of diethylzinc to aldehydes catalyzed by a camphor-derived β-amino alcohol
Wu Z-L, et al.
Tetrahedron Asymmetry, 20(13), 1556-1560 (2009)
Rhodium-Catalyzed Novel Trifluoromethylation at the α-Position of α, β-Unsaturated Ketones
Sato K, et al.
Organic Letters, 6(23), 4359-4361 (2004)
Organic Syntheses, 83, 177-177 (2006)

Questions

1–2 of 2 Questions  
  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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