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360074

Sigma-Aldrich

溴化镁

98%

别名:

Ddibromomagnesium, Magnesium bromide salt, Magnesium dibromide

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10 G
$64.60
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$219.00

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预计发货时间2025年4月21日详情

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$64.60
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About This Item

线性分子式:
MgBr2
CAS号:
7789-48-2
分子量:
184.11
EC 号:
232-170-9
MDL编号:
MFCD00011105
UNSPSC代码:
12352302
PubChem化学物质编号:
24862142
NACRES:
NA.22

$64.60

预计发货时间2025年4月21日详情

获取大包装报价

质量水平

200

方案

98%

表单

powder

mp

711 °C (lit.)

密度

3.72 g/mL at 25 °C (lit.)

SMILES字符串

Br[Mg]Br

InChI

1S/2BrH.Mg/h2*1H;/q;;+2/p-2

InChI key

OTCKOJUMXQWKQG-UHFFFAOYSA-L

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应用

溴化镁(MgBr2)可用作以下应用的催化剂：
  • 醇（伯醇和仲醇）与酸酐的乙酰化和苯甲酰化。[1]
  • 合成二氢嘧啶酮[2]、三氟甲基萘[3]、取代1,2,3,4四氢嘧啶-2-酮[4]。
  • 通过Baylis-Hillman烯烃加氢，制备Aldol衍生物。[5]
  • SEM（2-(三甲基硅烷基)乙氧甲基)醚基脱保护。[6]

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
0000436077
0000436077
MKCX2547
0000321936
0000338336

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Efficient Magnesium Bromide-Catalyzed One-pot Synthesis of Substituted 1, 2, 3, 4-Tetrahydropyrimidin-2-ones Under Solvent-free Conditions
Salehi H and Guo Q-X
Chin. J. Chem., 23(1), 91-97 (2005)
A facile and efficient one-pot synthesis of dihydropyrimidinones catalyzed by magnesium bromide under solvent-free conditions
Salehi H and Guo Q-X
Synthetic Communications, 34(1), 171-179 (2004)
Synthesis of trifluoromethylnaphthalenes
Mellor JM, et al.
Tetrahedron, 56(51), 10067-10074 (2000)
Magnesium bromide mediated highly diastereoselective heterogeneous hydrogenation of olefins
Bouzide, Abderrahim
Organic Letters, 4(8), 1347-1350 (2002)
Magnesium bromide catalysed acylation of alcohols
Pansare SV, et al.
Synthetic Communications, 30(14), 2587-2592 (2000)
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  1. How can I determine the shelf life / expiration / retest date of this product?

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    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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