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等级
ACS reagent
drying agent
puriss. p.a.
质量水平
方案
≥98.0% (calc. based on dry substance, KT)
表单
powder or chunks
杂质
≤0.005 meq/g free acid (as HClO4)
≤0.025 meq/g free alkali (as MgO)
≤8% water
痕量阴离子
chloride (Cl-): ≤50 mg/kg
nitrate (NO3-): ≤100 mg/kg
sulfate (SO42-): ≤500 mg/kg
痕量阳离子
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字符串
[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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一般描述
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.
应用
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.
警示用语：
Danger
危险分类
Eye Irrit. 2 - Ox. Sol. 2 - Skin Irrit. 2 - STOT SE 3
靶器官
Respiratory system
储存分类代码
5.1A - Strongly oxidizing hazardous materials
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
危险化学品
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)
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
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)
F Javier Céspedes-Guirao et al.
The Journal of organic chemistry, 74(16), 5871-5880 (2009-07-29)
Zinc phthalocyanine-perylenebisimide pentameric arrays, ZnPc(PDI)(4) 1 and 2, have been synthesized. ZnPc(PDI)(4) 1 has no substituents in the PDI bay positions, while ZnPc(PDI)(4) 2 presents four phenoxy groups in the bay positions of each perylene. In both cases, the PDI
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