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8.18506 EMD Millipore

Magnesium

Magnesium powder (particle size < 0.1 mm) for synthesis. CAS 7439-95-4, molar mass 24.31 g/mol., powder (particle size < 0.1 mm) for synthesis

  • CAS Number 7439-95-4

  • Linear Formula Mg

  • Molecular Weight 24.31 g/mol

  •  EC Number 231-104-6

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Properties

Related Categories Materials Science, Metal and Ceramic Science, Metals More...
packaging   100 g in Plastic bottle (8185060100)
bp   1107 °C (1013 hPa)
vapor pressure   0.00013 hPa (325 °C)
density   1.74 g/cm3 (20 °C)
autoignition temp.   >450 °C
mp   651 °C
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (on Mg): ≥ 97.0 %

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Safety & Documentation

Safety Information

HS Code 
8104 30 00
Hazard Statement(s) 
H250: Catches fire spontaneously if exposed to air.
H260: In contact with water releases flammable gases which may ignite spontaneously.
Precautionary Statement(s) 
P210: Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P370 + P378: In case of fire: Use powder for extinction.
P402 + P404: Store in a dry place. Store in a closed container.
Storage class 
4.2 Pyrophoric and self-heating hazardous materials
WGK 
NWG not water endangering
Disposal 
26
Alkali and alkaline-earth metals should be taken up in an inert solvent and neutralized by adding 2-propanol (Cat. No. 100995) dropwise with stirring. Should the reaction be more violent than expected, conversion should be carried out with tert-butanol or octanol. Caution: This reaction produces hydrogen, which can form explosive mixtures; take necessary precautions. When the reaction has ceased, add water dropwise; neutralize; container D. In the case of alkali or alkaline-earth borohydrides, add methanol (Cat. No. 106008) with stirring; in the case of alkali or alkaline-earth amides and hydrides, organoaluminium and organotin hydrides, add 2-propanol (Cat. No. 100995) dropwise. The substances, which are usually in solid form, should be previously suspended in an ether! When the respective reaction has ceased, hydrolize with water; then neutralize. Container D or E. Lithium aluminium hydride must also be destroyed by slurrying in an ether. Under an inert gas and with thorough stirring, add dropwise a 1:4 mixture of ethyl acetate (Cat. No. 822277) and the ether used to prepare the slurry. Always ensure thorough mixing (stirring)! Container A.
Hazard Pictogram(s) 
GHS02  GHS02
Hazard Symbols 
Flammable  Flammable
Declaration (railroad and road) ADR, RID 
UN 1418 , 4.3 (4.2), II
Declaration (transport by air) IATA-DGR 
UN 1418 , 4.3 (4.2), II
Declaration (transport by sea) IMDG-Code 
UN 1418 , 4.3 (4.2), II, Segregation Group: 15 (Powdered metals)
Categories of danger 
highly flammable
R Phrase 
R 15-17
Contact with water liberates extremely flammable gases.Spontaneously flammable in air.
S Phrase 
S 7/8-43
Keep container tightly closed and dry.In case of fire, use fire-fighting equipment on basis class D.
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