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222283

Sigma-Aldrich

Magnesium perchlorate

ACS reagent

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About This Item

Fórmula lineal:
Mg(ClO4)2
Número de CAS:
10034-81-8
Peso molecular:
223.21
EC Number:
233-108-3
MDL number:
MFCD00011102
UNSPSC Code:
12352300
PubChem Substance ID:
329752290
NACRES:
NB.24

grade

ACS reagent

Quality Level

200

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

SMILES string

[Mg++].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O

InChI

1S/2ClHO4.Mg/c2*2-1(3,4)5;/h2*(H,2,3,4,5);/q;;+2/p-2

InChI key

MPCRDALPQLDDFX-UHFFFAOYSA-L

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General description

Magnesium perchlorate (Mg(ClO4)2) is widely used as drying agent for gases. It can remove water from gases (with no organic contaminants) at the rate of 0.001mgwater/l.

Application

Magnesium perchlorate (Mg(ClO4)2) may be employed as a catalyst in the following studies:
  • Preparation of α-aminophosphonates.
  • Enantioselective Diels-Alder reaction between cyclopentadiene and 3-acryloyl-1,3-oxazolin-2-one.
  • Preparation of imines and phenylhydrazones.
  • Protection of alcohols in the form of t-butyl ethers.
Magnesium perchlorate may be used as a catalyst in the synthesis of the following compounds:
  • α-Aminophosphonates via three-component reaction between an amine, an aldehyde or a ketone and a di-/trialkyl phosphite.
  • Imines and phenylhydrazones by the condensation of carbonyl compounds with amines and phenylhydrazine.
  • Knoevenagel adducts via Knoevenagel condensation between β-diketones and aliphatic or aromatic aldehydes.
It may also be used to catalyze the protection of alcohols as t-butyl ethers.

pictograms

Flame over circleExclamation mark
GHS03,GHS07

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Ox. Sol. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

5.1A - Strongly oxidizing hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificados de análisis (COA)

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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)
Magnesium perchlorate as an efficient catalyst for the synthesis of imines and phenylhydrazones.
Chakraborti AK, et al.
Tetrahedron Letters, 45(41), 7641-7644 (2004)
Eagleson M.
Concise Encyclopedia Chemistry, 343-343 (1994)
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
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