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    Technical details about Lanthanum, learn more about the structure, uses, toxicity, action, side effects and more

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    Lanthanum

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    2D Structure
    1. Also known as: 7439-91-0, La, Lantano, Lanthane, Lanthan, Lanthanum(2+)
    Molecular Formula
    La
    Molecular Weight
    138.9055  g/mol
    InChI Key
    FZLIPJUXYLNCLC-UHFFFAOYSA-N
    FDA UNII
    6I3K30563S
    The prototypical element in the rare earth family of metals. It has the atomic symbol La, atomic number 57, and atomic weight 138.91. Lanthanide ion is used in experimental biology as a calcium antagonist; lanthanum oxide improves the optical properties of glass.
    1 2D Structure

    2D Structure

    2 Identification
    2.1 Computed Descriptors
    2.1.1 IUPAC Name
    lanthanum
    2.1.2 InChI
    InChI=1S/La
    2.1.3 InChI Key
    FZLIPJUXYLNCLC-UHFFFAOYSA-N
    2.1.4 Canonical SMILES
    [La]
    2.2 Other Identifiers
    2.2.1 UNII
    6I3K30563S
    2.3 Synonyms
    2.3.1 Depositor-Supplied Synonyms

    1. 7439-91-0

    2. La

    3. Lantano

    4. Lanthane

    5. Lanthan

    6. Lanthanum(2+)

    7. Lanthanum, (ingot)

    8. 57la

    9. Mfcd00011066

    10. Lanthanum In Chloride

    11. Lanthanum Sputtering Target, 50.8mm Dia X 3.18mm Thick

    12. Lanthanum Ion(2 )

    13. Lanthanum, Ion (la2 )

    14. Lanthanum Atom

    15. Lanthanum Ingot

    16. Lanthanum Pieces

    17. Lanthanum, Pieces

    18. Lanthanum(2+) Ion

    19. Lanthanum Foil, 3n

    20. Lanthanum(ii) Cation

    21. Lanthanum Powder, 3n

    22. Lanthanum Chips, 2n6

    23. Lanthanum [mi]

    24. Lanthanum [vandf]

    25. Lanthanum Powder, -200 Mesh

    26. Dtxsid0064676

    27. Chebi:33336

    28. Chebi:37317

    29. La(2+)

    30. Amy22284

    31. Akos024438058

    32. 6i3k30563s

    33. Lanthanum Rod, 12.7mm (0.5in) Dia

    34. Lanthanum Rod, 6.35mm (0.25in) Dia

    35. La2

    36. Lanthanum Foil, 1.0mm (0.04in) Thick

    37. Lanthanum Foil, 0.1mm (0.004in) Thick

    38. Lanthanum Foil, 0.3mm (0.012in) Thick

    39. Lanthanum Foil, 0.62mm (0.024in) Thick

    40. Lanthanum, Rod, 50mm, Diameter 6.35mm, Cast, 99%

    41. Q26841224

    42. Q27117102

    43. Lanthanum Sputtering Target, 76.2mm Dia X 1.59mm Thick

    44. Lanthanum Sputtering Target, 76.2mm Dia X 3.18mm Thick

    45. Lanthanum, Rod, 100mm, Diameter 6.35mm, Cast, 99%

    46. Lanthanum, Aas Standard Solution, Specpure, La 1000?g/ml

    47. Lanthanum, Foil, 25x25mm, Thickness 0.1mm, As Rolled, 99%

    48. Lanthanum, Foil, 29x33mm, Thickness 0.5mm, As Rolled, 99%

    49. Lanthanum, Foil, 35x47mm, Thickness 0.5mm, As Rolled, 99%

    50. Lanthanum, Foil, 50x50mm, Thickness 0.1mm, As Rolled, 99%

    51. Lanthanum, Plasma Standard Solution, Specpure?, La 1000?g/ml

    52. Lanthanum, Foil, 100x100mm, Thickness 0.125mm, As Rolled, 99%

    53. Lanthanum, Foil, 100x100mm, Thickness 0.1mm, As Rolled, 99%

    54. Lanthanum, Foil, 25x25mm, Thickness 0.125mm, As Rolled, 99%

    55. Lanthanum, Foil, 50x50mm, Thickness 0.125mm, As Rolled, 99%

    56. Lanthanum, Foil, Thickness 1 Mm, 99.9% (rare Earth, Metals Basis)

    57. Lanthanum, Ingot (under Oil), 99.9% Trace Rare Earth Metals Basis

    58. Lanthanum, Lump, 25 Mm Max. Lump Size, Weight 100 G, Purity 99%

    59. Lanthanum, Lump, 25 Mm Max. Lump Size, Weight 20 G, Purity 99%

    60. Lanthanum, Lump, 25 Mm Max. Lump Size, Weight 50 G, Purity 99%

    61. Lanthanum, Oil Based Standard Solution, Specpure?, La 1000?g/g

    62. Lanthanum, Plasma Standard Solution, Specpure?, La 10,000?g/ml

    63. Lanthanum, Foil, Not Light Tested, 100x100mm, Thickness 0.025mm, As Rolled, 99%

    64. Lanthanum, Foil, Not Light Tested, 25x25mm, Thickness 0.025mm, As Rolled, 99%

    65. Lanthanum, Foil, Not Light Tested, 50x50mm, Thickness 0.025mm, As Rolled, 99%

    66. Lanthanum, Powder, -40 Mesh, Under Oil, 99.9% Trace Rare Earth Metals Basis

    67. Lanthanum, Powder, 400 Max. Part. Size (micron), Weight 25 G, Purity 99.9%

    68. Lanthanum, Powder, 400 Max. Part. Size (micron), Weight 50 G, Purity 99.9%

    2.4 Create Date
    2005-03-26
    3 Chemical and Physical Properties
    Molecular Weight 138.9055 g/mol
    Molecular Formula La
    Hydrogen Bond Donor Count0
    Hydrogen Bond Acceptor Count0
    Rotatable Bond Count0
    Exact Mass138.906363 g/mol
    Monoisotopic Mass138.906363 g/mol
    Topological Polar Surface Area0 Ų
    Heavy Atom Count1
    Formal Charge0
    Complexity0
    Isotope Atom Count0
    Defined Atom Stereocenter Count0
    Undefined Atom Stereocenter Count0
    Defined Bond Stereocenter Count0
    Undefined Bond Stereocenter Count0
    Covalently Bonded Unit Count1
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