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222534

Lithium tetraborate

≥99.9% trace metals basis

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$212.00

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$636.00

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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

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.)

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1 of 4

This Item
254304402966205524
Lithium tetraborate ≥99.9% trace metals basis

Sigma-Aldrich

222534

Lithium tetraborate

Lithium tetraborate ≥99.995% trace metals basis

Sigma-Aldrich

254304

Lithium tetraborate

Lithium metaborate ACS reagent, ≥98.0%

Sigma-Aldrich

402966

Lithium metaborate

Lithium metaborate 99.9% trace metals basis

Sigma-Aldrich

205524

Lithium metaborate

form

powder

form

powder

form

powder

form

powder

assay

≥99.9% trace metals basis

assay

≥99.995% trace metals basis

assay

≥98.0%, 98.0-102.0% (ACS specification)

assay

99.9% trace metals basis

Quality Level

200

Quality Level

100

Quality Level

200

Quality Level

100

mp

760-880 °C (lit.)

mp

760-880 °C (lit.)

mp

845 °C (lit.)

mp

845 °C (lit.)

density

≥0.25 g/mL at 25 °C (lit.)

density

≥0.25 g/mL at 25 °C (lit.)

density

-

density

-

General description

Lithium tetraborate (Li2B4O7) is a piezoelectric material.[1] It can be synthesized from boric acid.[2] Its pyroelectric, piezoelectric and dielectric properties have been evaluated.[3] 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.[4]
Lithium tetraborate is a pyroelectric and piezoelectric material with potential applications in pressure sensors and surface acoustic wave (SAW) devices.[5][6][7] In the presence of activators such as terbium and cupric ions, it shows thermoluminesence property.[8]

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
WXBF8134V
WXBF7619V
WXBF6777V
WXBF5998V
WXBF4134V

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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)
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)
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 isotope analysis by thermal ionization mass spectrometry of lithium tetraborate.
Chan LH.
Analytical Chemistry, 59(22), 2662-2665 (1987)
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