Merck
CN

243388

Sigma-Aldrich

氧化镁

ACS reagent, 97%

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线性分子式:
MgO
CAS号:
分子量:
40.30
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.21

等级

ACS reagent

质量水平

检测方案

97%

形式

powder

reaction suitability

reagent type: catalyst
core: magnesium

杂质

≤0.02% NH4OH pptd.
≤0.02% insol. dil. HCl
≤0.4% water soluble substances

缺失

≤2.0% loss on ignition

mp

2852 °C (lit.)

痕量阴离子

SO42- and SO32-: ≤0.02%
chloride (Cl-): ≤0.01%
nitrate (NO3-): ≤0.005%

痕量阳离子

Ba: ≤0.005%
Ca: ≤0.05%
Fe: ≤0.01%
K: ≤0.005%
Mn: ≤5 ppm
Na: ≤0.5%
Sr: ≤0.005%
heavy metals (as Pb): ≤0.003%

SMILES string

O=[Mg]

InChI

1S/Mg.O

InChI key

CPLXHLVBOLITMK-UHFFFAOYSA-N

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此商品
13138307742342793
Magnesium oxide ACS reagent, 97%

Sigma-Aldrich

243388

氧化镁

Essential Grade
Magnesium oxide puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E 530, light, 98.0-100.5% (calc. for dried substance)

Sigma-Aldrich

13138

氧化镁

Essential Grade
Magnesium oxide light, 95%

Sigma-Aldrich

307742

氧化镁

-
Magnesium oxide ≥99% trace metals basis, -325 mesh

Sigma-Aldrich

342793

氧化镁

-
assay

97%

assay

98.0-100.5% (calc. for dried substance)

assay

-

assay

≥99% trace metals basis

form

powder

form

powder

form

powder

form

powder

impurities

≤0.02% NH4OH pptd., ≤0.02% insol. dil. HCl, ≤0.4% water soluble substances

impurities

free alkali, in accordance, residual solvents, complies, soluble salts, in accordance, ≤0.002% heavy metals (as Pb), ≤0.1% insoluble in HCl, ≤0.1% insoluble in acetic acid, ≤1% water-soluble matter

impurities

-

impurities

-

mp

2852 °C (lit.)

mp

2852 °C (lit.)

mp

2852 °C (lit.)

mp

2852 °C (lit.)

anion traces

SO42- and SO32-: ≤0.02%, chloride (Cl-): ≤0.01%, nitrate (NO3-): ≤0.005%

anion traces

chloride (Cl-): ≤500 mg/kg, sulfate (SO42-): ≤5000 mg/kg

anion traces

sulfite and thiosulfate (as S2O32-: ≤1%

anion traces

-

一般描述

氧化镁(MgO)是重要的高温工业材料。掺锂氧化镁(Li/MgO)可用于由甲烷合成乙烯和乙烷。由于具有比表区域大、高温稳定性好、酸或碱容易脱除等优点而被广泛用作碳纳米管的催化剂载体。

应用

氧化镁(MgO)已用于合成不同催化剂载体负载的Co-Mo双金属催化剂。这些催化剂可用于单壁碳纳米管(SWCNT)合成。
可用作制备多孔β-磷酸三钙(β-TCP)的相稳定剂。
掺锂氧化镁(Li/MgO)可用于乙烯和乙烷的合成。也可作为制取(R)-碳酸苯酯的催化剂。

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable


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其他客户在看

Slide 1 of 1

1 of 1

Magnesium oxide tested according to Ph. Eur., heavy

Sigma-Aldrich

63107

氧化镁

Arantxa García-Legorreta et al.
Nutrients, 12(9) (2020-09-26)
Magnesium is a mineral that modulates several physiological processes. However, its relationship with intestinal microbiota has been scarcely studied. Therefore, this study aimed to assess the role of dietary magnesium content to modulate the intestinal microbiota of Wistar male rats.
Effect of different catalyst supports on the (n, m) selective growth of single-walled carbon nanotube from Co-Mo catalyst.
Wang B, et al.
J. Mater. Sci., 44(2), 3285-3295 (2009)
Fabrication of β-TCP foam: Effects of magnesium oxide as phase stabilizer on its properties.
Nikaido T, et al.
Ceramics International, 41(10), 14245-14250 (2015)
Magnesium oxide-catalysed reaction of carbon dioxide with an epoxide with retention of stereochemistry.
Yano T, et al.
Chemical Communications (Cambridge, England), 12, 1129-1130 (1997)
Synthesis of ethylene and ethane by partial oxidation of methane over lithium-doped magnesium oxide.
Ito T and Lunsford JH.
Nature, 721-722 (1985)

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