105815 Magnesium

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Key Specifications Table

CAS #EC NumberHill FormulaMolar Mass
7439-95-4 231-104-6 Mg 24.31 g/mol

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      Catalogue Number105815
      Product Information
      CAS number7439-95-4
      EC index number012-001-00-3
      EC number231-104-6
      Hill FormulaMg
      Molar Mass24.31 g/mol
      HS Code8104 30 00
      Quality LevelMQ200
      Biological Information
      Physicochemical Information
      Boiling point1107 °C (1013 hPa)
      Density1.74 g/cm3 (20 °C)
      Ignition temperature>450 °C
      Melting Point651 °C
      Vapor pressure0.00013 hPa (325 °C)
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Hazard Pictogram(s) Hazard Pictogram(s)
      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.
      Signal WordDanger
      Storage class4.2 Pyrophoric and self-heating hazardous materials
      WGKNWG not water endangering
      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.
      Safety Information
      Hazard Symbols Hazard SymbolsFlammable
      Categories of dangerhighly flammable
      R PhraseR 15-17
      Contact with water liberates extremely flammable gases.Spontaneously flammable in air.
      S PhraseS 7/8-43
      Keep container tightly closed and dry.In case of fire, use fire-fighting equipment on basis class D.
      Product Usage Statements
      Storage and Shipping Information
      StorageStorage temperature: no restrictions.
      Packaging Information
      Transport Information
      Declaration (railroad and road) ADR, RIDUN 1418 , 4.3 (4.2), II
      Declaration (transport by air) IATA-DGRUN 1418 , 4.3 (4.2), II
      Declaration (transport by sea) IMDG-CodeUN 1418 , 4.3 (4.2), II, Segregation Group: 15 (Powdered metals)
      Supplemental Information
      Assay (complexometric)≥ 98.5 %
      Substances insoluble in hydrochloric acid≤ 0.05 %
      Fe (Iron)≤ 500 ppm