254126
Magnésium
20-230 mesh, reagent grade, 98%
Synonyme(s) :
Magnesium element
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A propos de cet article
Formule linéaire :
Mg
Numéro CAS:
Poids moléculaire :
24.31
UNSPSC Code:
12141502
NACRES:
NA.22
PubChem Substance ID:
EC Number:
231-104-6
Beilstein/REAXYS Number:
4948473
MDL number:
Assay:
98%
Form:
powder or granules, turnings
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reagent grade
Quality Segment
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
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.
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signalword
Danger
hcodes
Classe de stockage
4.2 - Pyrophoric and self-heating hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
Hazard Classifications
Pyr. Sol. 1 - Water-react. 1
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