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63095

Sigma-Aldrich

Magnesium perchlorate

puriss. p.a., drying agent, ACS reagent, ≥98.0% (calc. based on dry substance, KT)

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About This Item

Linear Formula:
Mg(ClO4)2
CAS Number:
10034-81-8
Molecular Weight:
223.21
EC Number:
233-108-3
MDL number:
MFCD00011102
UNSPSC Code:
12352300
PubChem Substance ID:
329759783
NACRES:
NB.24

grade

ACS reagent
drying agent
puriss. p.a.

Quality Level

200

Assay

≥98.0% (calc. based on dry substance, KT)

form

powder or chunks

impurities

≤0.005 meq/g free acid (as HClO4)
≤0.025 meq/g free alkali (as MgO)
≤8% water

anion traces

chloride (Cl-): ≤50 mg/kg
nitrate (NO3-): ≤100 mg/kg
sulfate (SO42-): ≤500 mg/kg

cation traces

Ca: ≤500 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤500 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

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.

Pictograms

Flame over circleExclamation mark
GHS03,GHS07

Signal Word

Danger

Hazard Statements

H272,H315,H319,H335

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

5.1A - Strongly oxidizing hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Giuseppe Bartoli et al.
Organic letters, 7(3), 427-430 (2005-01-28)
[reaction: see text] A new mild method for protecting alcohols as t-butyl ethers is reported. The reaction proceeds with Mg(ClO4)2 and Boc2O and shows general applicability. The deprotection of t-butyl ethers has also been revisited. Preliminary results indicate the CeCl3
Eagleson M.
Concise Encyclopedia Chemistry, 343-343 (1994)
C Pac et al.
Photochemistry and photobiology, 52(5), 973-979 (1990-11-01)
The photosensitized monomerization of the cyclobutane dimers of 1,3-dimethylthymine by p-chloranil was investigated by means of steady-state irradiation and laser-flash photolysis. Quantum yields for the monomerization are 0.34 for the cis,syn dimer, 0.39 for the trans,syn dimer, and much less
J D Anastassopoulou et al.
Magnesium research, 3(1), 15-18 (1990-03-01)
This study examined the effects on the radiolysis of magnesium-guanosine-5'-monophosphate complexes in deaerated aqueous solutions, investigated by Fourier transform infrared (FT-IR) spectroscopy. It was found that when the system was irradiated with a dose rate of 500 rad/min (low dose
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)
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