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222534

Lithium tetraborate

≥99.9% trace metals basis

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About This Item

Linear Formula:
Li2B4O7
CAS Number:
12007-60-2
Molecular Weight:
169.12
NACRES:
NA.55
PubChem Substance ID:
329752293
UNSPSC Code:
12352302
EC Number:
234-514-3
MDL number:
MFCD00011083
Assay:
≥99.9% trace metals basis
Form:
powder
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Quality Level

200

assay

≥99.9% trace metals basis

form

powder

mp

760-880 °C (lit.)

density

≥0.25 g/mL at 25 °C (lit.)

SMILES string

[Li+].[Li+].[O-]B(OB=O)OB([O-])OB=O

InChI

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

InChI key

PSHMSSXLYVAENJ-UHFFFAOYSA-N

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.

Application

Used as a spectroscopic fluxing agent.

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Danger

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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Certificates of Analysis (COA)

Lot/Batch Number
WXBF8736V
WXBF8134V
WXBF7619V
WXBF6777V
WXBF5998V

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Elastic, piezoelectric, acousto-optic and electro-optic properties of Li2B4O7.
Shiosaki T, et al.
Japanese Journal of Applied Physics, 24(S1), 25-25 (1985)
Pyroelectric and piezoelectric properties of lithium tetraborate single crystal.
Bhalla AS, et al.
Japanese Journal of Applied Physics, 24(S2), 727-727 (1985)
Thermoluminescence in lithium tetraborate doped with activators.
Kutomi Y and Takeuchi N.
Journal of Materials Science Letters, 5(1), 51-53 (1986)
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Global Trade Item Number

SKUGTIN
222534-1KG04061835276677
222534-250G04061838778062