Lithium borate

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Lithium tetraborate
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Names
Other names
Lithium borate
Identifiers
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3D model (JSmol)
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  • InChI=1S/B4O7.2Li/c5-1-9-3(7)11-4(8)10-2-6;;/q-2;2*+1 checkY
    Key: PSHMSSXLYVAENJ-UHFFFAOYSA-N checkY
  • InChI=1/B4O7.2Li/c5-1-9-3(7)11-4(8)10-2-6;;/q-2;2*+1
    Key: PSHMSSXLYVAENJ-UHFFFAOYAA
  • [Li+].[Li+].O=BOB([O-])OB([O-])OB=O
Properties
Li2B4O7
Molar mass 169.11 g/mol
Appearance white powder
Density 2.4 g/cm3, solid
Melting point 917 °C (1,683 °F; 1,190 K)
moderately soluble
Hazards
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2
0
0
Safety data sheet (SDS) External MSDS
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

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Lithium borate,[1] also known as lithium tetraborate,[2] dilithium tetraborate[3] or boron lithium oxide[2] is an inorganic compound with the formula Li2B4O7. A colorless solid, lithium borate is used in making glasses and ceramics. It is not to be confused with B8Li2O13, also called lithium borate.[4]

Structure

Its structure consists of a polymeric borate backbone. The Li+ centers are bound to four and five oxygen ligands. Boron centers are trigonal and tetrahedral.[5][6]

File:65930-ICSD.png
Borate backbone of Li2B4O7.

Lithium borate can be used in the laboratory as LB buffer for gel electrophoresis of DNA and RNA. It is also used in the borax fusion method to vitrify mineral powder specimens for analysis by WDXRF spectroscopy.[7]

See also

References

  1. ^ Lithium borate
  2. ^ a b Boron lithium oxide
  3. ^ dilithium tetraborate
  4. ^ Lithium borate
  5. ^ Page Module:Citation/CS1/styles.css has no content.Sennova, N.; Bubnova, R.; Shepelev, Yu.; Filatov, S.; Yakovleva, O. (2007). "Li2B4O7 Crystal structure in anharmonic approximation at 20, 200, 400 and 500 °C". Journal of Alloys and Compounds. 428 (1–2): 290–296. doi:10.1016/j.jallcom.2006.03.049.
  6. ^ Page Module:Citation/CS1/styles.css has no content.Natalia Sennova. R. S. Bubnova; G. Cordier; B. Albert; S. K. Filatov; L. Isaenko (2008). "Temperature-dependent Changes of the Crystal Structure of Li2B4O7". Zeitschrift für Anorganische und Allgemeine Chemie. 634 (14): 2601–2607. doi:10.1002/zaac.200800295.
  7. ^ Ron Jenkins, X-Ray Fluorescence Spectrometry, Second Edition, J. Wiley & Sons Inc., 1999, Template:ISBN, p 146-7.

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