222534
Lithium tetraborate
≥99.9% trace metals basis
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About This Item
Linear Formula:
Li2B4O7
CAS Number:
Molecular Weight:
169.12
NACRES:
NA.55
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
234-514-3
MDL number:
Assay:
≥99.9% trace metals basis
Form:
powder
Product Name
Lithium tetraborate, ≥99.9% trace metals basis
InChI key
PSHMSSXLYVAENJ-UHFFFAOYSA-N
InChI
1S/B4O7.2Li/c5-1-9-3(7)11-4(8)10-2-6;;/q-2;2*+1
SMILES string
[Li+].[Li+].[O-]B(OB=O)OB([O-])OB=O
assay
≥99.9% trace metals basis
form
powder
mp
760-880 °C (lit.)
density
≥0.25 g/mL at 25 °C (lit.)
Quality Level
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Application
Used as a spectroscopic fluxing agent.
General description
Lithium tetraborate (Li2B4O7) is a piezoelectric material. It can be synthesized from boric acid. Its pyroelectric, piezoelectric and dielectric properties have been evaluated. It is a widely used material in the field of non-linear optics. Its electronic structure has been investigated by x-ray photoelectron spectroscopy (XPS) and quantum mechanical modelling methods.
Lithium tetraborate is a pyroelectric and piezoelectric material with potential applications in pressure sensors and surface acoustic wave (SAW) devices. In the presence of activators such as terbium and cupric ions, it shows thermoluminesence property.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 2
Storage Class
13 - Non Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
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Thermoluminescence in lithium tetraborate doped with activators.
Kutomi Y and Takeuchi N.
Journal of Materials Science Letters, 5(1), 51-53 (1986)
Pyroelectric and piezoelectric properties of lithium tetraborate single crystal.
Bhalla AS, et al.
Japanese Journal of Applied Physics, 24(S2), 727-727 (1985)
Lithium tetraborate: a new temperature-compensated SAW substrate material.
Whatmore RW, et al.
Electronics Letters, 17(1) (1981)
Elastic, piezoelectric, acousto-optic and electro-optic properties of Li2B4O7.
Shiosaki T, et al.
Japanese Journal of Applied Physics, 24(S1), 25-25 (1985)
Electronic structure of lithium tetraborate Li2B4O7 crystals. Cluster calculations and x-ray photoelectron spectroscopy.
Kuznetsov AY, et al.
Physics of the Solid State, 41(1), 48-50 (1999)
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