Lithium borate

Lithium tetraborate

Names
Other names

Lithium borate

Identifiers

CAS Number

* 12007-60-2 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 21169645 Y

EC Number |

* 234-514-3

PubChem CID

* 15764247

UNII |

* G5N01T5TYY Y

InChI

* InChI=1S/B4O7.2Li/c5-1-9-3(7)11-4(8)10-2-6;;/q-2;2*+1 Y

Key: PSHMSSXLYVAENJ-UHFFFAOYSA-N Y

* InChI=1/B4O7.2Li/c5-1-9-3(7)11-4(8)10-2-6;;/q-2;2*+1

Key: PSHMSSXLYVAENJ-UHFFFAOYAA

SMILES

* [Li+].[Li+].O=BOB([O-])OB([O-])OB=O

Properties

Chemical formula

| 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)

Solubility in water

| moderately soluble
Hazards
Safety data sheet | External MSDS
NFPA 704 (fire diamond)  |

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

N verify (what is YN ?)
Infobox references

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]

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

* LB buffer
* Lithium metaborate (LiBO2)

## References

1. ↑ Lithium borate
2. ↑ 2.0 2.1 Boron lithium oxide
3. ↑ dilithium tetraborate
4. ↑ Lithium borate
5. ↑ 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. ↑ 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, ISBN 0-471-29942-1, p 146-7.

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Lithium compounds

Inorganic|

* LiAlCl4
* LiAlH4
* LiAlO2
* LiBF4
* LiBH4
* LiBO2
* LiB3O5
* Li2B4O7
* LiBr
* Li2CO3
* Li2C2
* LiCl
* LiClO
* LiClO3
* LiClO4
* LiCoO2
* LiF
* LiH
* LiI
* LiIO3
* Li2IrO3
* Li2MoO4
* LiNH2
* Li2NH
* LiN3
* Li3N
* LiNO2
* LiNO3
* LiNbO3
* LiOH
* LiO2
* Li2O
* Li2O2
* LiPF6
* Li2PtO3
* Li2Po
* Li2RuO3
* Li2S
* Li2SO3
* Li2SO4
* Li3H(CO3)2
* Li2SiO3
* LiTaO3
* Li2TiO3

Organic|

* 12-hydroxystearate
* acetate
* aspartate
* citrate
* diisopropylamide
* orotate
* succinate
* stearate
* organolithiums

Minerals|

* Amblygonite
* Elbaite
* Eucryptite
* Jadarite
* Lepidolite
* Lithiophilite
* Petalite
* Pezzottaite
* Saliotite
* Spodumene
* Sugilite
* Tourmaline
* Zabuyelite
* Zinnwaldite

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