222283
Magnesium perchlorate
ACS reagent
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About This Item
Linear Formula:
Mg(ClO4)2
CAS Number:
Molecular Weight:
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
grade
ACS reagent
Quality Level
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
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.
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signalword
Danger
hcodes
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
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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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)
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)