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Merck
CN

63095

高氯酸镁

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

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关于此项目

线性分子式:
Mg(ClO4)2
化学文摘社编号:
10034-81-8
分子量:
223.21
NACRES:
NB.24
PubChem Substance ID:
329759783
UNSPSC Code:
12352300
EC Number:
233-108-3
MDL number:
MFCD00011102
Assay:
≥98.0% (calc. based on dry substance, KT)
Form:
powder or chunks

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产品名称

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

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
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

Quality Level

200

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相关类别

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.

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.

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

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
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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCM0254
BCCJ6536
BCCG5376
BCCF9801
BCCC4677

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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
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)
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)
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
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