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254126

Sigma-Aldrich

Magnesium

20-230 mesh, reagent grade, 98%

Synonym(s):

Magnesium element

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About This Item

Empirical Formula (Hill Notation):
Mg
CAS Number:
Molecular Weight:
24.31
Beilstein:
4948473
EC Number:
MDL number:
UNSPSC Code:
12141502
PubChem Substance ID:
NACRES:
NA.22

grade

reagent grade

Quality Level

vapor pressure

1 mmHg ( 621 °C)

Assay

98%

form

powder or granules
turnings

autoignition temp.

950 °F

reaction suitability

reagent type: reductant

resistivity

4.46 μΩ-cm, 20°C

particle size

20-230 mesh

bp

1090 °C (lit.)

mp

648 °C (lit.)

density

1.74 g/mL at 25 °C (lit.)

SMILES string

[Mg]

InChI

1S/Mg

InChI key

FYYHWMGAXLPEAU-UHFFFAOYSA-N

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General description

Magnesium is a versatile metal that finds several important uses in organic synthesis. It is widely used for the formation of Grignard reagents, which are versatile organometallic compounds. They can react with a wide range of electrophiles, such as carbonyl compounds, to form new carbon-carbon bonds. Grignard reactions are essential in the synthesis of alcohols, carboxylic acids, ketones, aldehydes, and many other organic compounds. Magnesium can also be used in various reduction reactions.

Application

Magnesium (20-230 mesh) can be used in the synthesis of nanaomycin D via a Hauser–Kraus annulation using a chiral enone-lactone. It is also used to prepare polymorphs of Mg-Sn and Mg-Pb intermetallic compounds by the high-energy ball-milling method. These magnesium alloys are used as active materials in magnesium batteries.

Pictograms

Flame

Signal Word

Danger

Hazard Statements

Hazard Classifications

Pyr. Sol. 1 - Water-react 1

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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