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Merck
CN

63095

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:
Molecular Weight:
223.21
NACRES:
NB.24
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
233-108-3
MDL number:
Assay:
≥98.0% (calc. based on dry substance, KT)
Form:
powder or chunks
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Quality Segment

grade

ACS reagent, puriss. p.a.

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

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.


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pictograms

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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

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



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