222283
高氯酸镁
ACS reagent
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关于此项目
线性分子式:
Mg(ClO4)2
化学文摘社编号:
分子量:
223.21
NACRES:
NB.24
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
233-108-3
MDL number:
Grade:
ACS reagent
Form:
flakes, powder, chunks or granules
InChI key
MPCRDALPQLDDFX-UHFFFAOYSA-L
InChI
1S/2ClHO4.Mg/c2*2-1(3,4)5;/h2*(H,2,3,4,5);/q;;+2/p-2
SMILES string
[Mg++].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O
grade
ACS reagent
form
flakes, powder, chunks or granules
reaction suitability
reagent type: oxidant
concentration
>10% Mg (EDTA titration)
impurities
≤0.005 meq/g Titr. free acid, ≤0.025 meq/g Titr. base
loss
≤8% loss on drying
suitability
passes test for moisture absorption
Quality Level
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General description
高氯酸镁（Mg（ClO4）2）广泛用作气体干燥剂。它能以 0.001 mg 水/L 的速率从气体中去除水分（没有有机污染物）。
Application
高氯酸镁可用作合成下列化合物的催化剂：
- α-氨基膦酸盐通过胺、醛或酮与二-/三烷基亚磷酸酯之间的三组分反应。
- 由羰基化合物与胺和苯肼缩合形成亚胺和苯腙。
- 通过 β-二酮和脂肪族或芳香醛之间发生 Knoevenagel 缩合，形成 Knoevenagel 加成物。
高氯酸镁（Mg(ClO4)2）可用作以下研究中的催化剂：
- 制备 α-氨基膦酸盐。
- 环戊二烯与 3-丙烯酰基-1,3-恶唑啉-2-酮之间的对映选择性 Diels-Alder 反应。
- 亚胺和苯腙的制备。
- 以叔丁基醚的形式保护醇类。
signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Ox. Sol. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
5.1A - Strongly oxidizing hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
危险化学品
此项目有
Magnesium perchlorate as efficient Lewis acid for the Knoevenagel condensation between ?-diketones and aldehydes.
Bartoli G, et al.
Tetrahedron Letters, 49(16), 2555-2557 (2008)
The first enantioselective synthesis of both Diels-Alder enantiomers with the same bis (oxazoline)-magnesium perchlorate chiral catalyst.
Desimoni G, et al.
Tetrahedron Letters, 37(17), 3027-3030 (1996)
K Miyake et al.
Photochemistry and photobiology, 58(5), 631-636 (1993-11-01)
We have investigated the photosensitized monomerization of the cis,syn-cyclobutane dimer of 1,3-dimethylthymine using riboflavin tetraacetate and a 5-deazaflavin derivative as photosensitizer. Although little monomerization of the dimer is induced by photoexcitation of the flavins in the absence of any additives
T Theophanides
Magnesium research, 9(4), 259-262 (1996-12-01)
The interaction of Mg2+ cations in biological systems is studied by using nucleic acid bases as the biological system. Magnesium salts, such as, MgCl2 6H2O, MgSO4. 7H2O and Mg(ClO4). XH2O have been employed in order to compare their complexation with
Magnesium perchlorate as an efficient catalyst for the synthesis of imines and phenylhydrazones.
Chakraborti AK, et al.
Tetrahedron Letters, 45(41), 7641-7644 (2004)
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