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112349 Tantalum powder

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Key Specifications Table

CAS #EC NumberHill FormulaMolar Mass
7440-25-7 231-135-5 Ta 180.94 g/mol

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      Glass bottle 25 g
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      Catalogue Number112349
      Product Information
      CAS number7440-25-7
      EC number231-135-5
      Hill FormulaTa
      Molar Mass180.94 g/mol
      HS Code8103 20 00
      Quality LevelMQ200
      ApplicationTantalum powder 98+. CAS 7440-25-7, pH 7 (H₂O, 20 °C) (aqueous suspension).
      Biological Information
      Physicochemical Information
      Density16.6 g/cm3 (20 °C)
      Ignition temperature>250 °C
      Melting Point2996 °C
      pH value7 (H₂O, 20 °C) (aqueous suspension)
      Bulk density500 kg/m3
      Solubility<0.010 g/l
      Materials Information
      Toxicological Information
      LD 50 oralLD50 Rat > 2000 mg/kg
      Safety Information according to GHS
      Hazard Pictogram(s) Hazard Pictogram(s)
      Hazard Statement(s)H228: Flammable solid.
      Precautionary Statement(s)P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
      P370 + P378: In case of fire: Use powder for extinction.
      Signal WordDanger
      Storage class4.1B Flammable solid hazardous materials
      WGKNWG not water endangering
      Residues containing valuable recoverable metals should be forwarded for recycling. Container H.
      Safety Information
      Hazard Symbols Hazard SymbolsFlammable
      Categories of dangerhighly flammable
      R PhraseR 11
      Highly flammable.
      S PhraseS 43
      In case of fire, use metal-fire powder. Never use water.
      Product Usage Statements
      Storage and Shipping Information
      Packaging Information
      Transport Information
      Declaration (railroad and road) ADR, RIDUN 3089 , 4.1, II
      Declaration (transport by air) IATA-DGRUN 3089 , 4.1, II
      Declaration (transport by sea) IMDG-CodeUN 3089 , 4.1, II, Segregation Group: 7 (Heavy metals and their salts (including their organometallic compounds))15 (Powdered metals)
      Supplemental Information
      Identity (elemental analysis)passes test
      Assay≥ 98.0 %