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402966

Sigma-Aldrich

Lithium metaborate

ACS reagent, ≥98.0%

Synonym(s):

Boric acid lithium salt

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About This Item

Linear Formula:
LiBO2
CAS Number:
13453-69-5
Molecular Weight:
49.75
EC Number:
236-631-5
MDL number:
MFCD00011089
UNSPSC Code:
12352302
PubChem Substance ID:
329727046
NACRES:
NB.24

grade

ACS reagent

Assay

≥98.0%
98.0-102.0% (ACS specification)

form

powder

impurities

≤0.004% P compounds
≤0.01% insolubles

loss

≤2.0% loss on fusion, 950°C

mp

845 °C (lit.)

bulk density

≥0.25 g/mL

cation traces

Al: ≤0.001%
Ca: ≤0.01%
Fe: ≤0.002%
K: ≤0.005%
Mg: ≤5 ppm
Na: ≤0.005%
Si: ≤0.01%
heavy metals: ≤0.001% (by ICP-OES)

SMILES string

[Li+].[O-]B=O

InChI

1S/BO2.Li/c2-1-3;/q-1;+1

InChI key

HZRMTWQRDMYLNW-UHFFFAOYSA-N

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General description

Lithium metaborate is an alkali borate. Crystal structure study reveals it has monoclinic structure with space group P21/c. It has been synthesized using orthoboric acid and lithium carbonate. Its vapor pressure has been analyzed using torsion-effusion method.

Signal Word

Danger

Hazard Statements

H302,H318,H361fd

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Thermodynamics of Vaporization of Lithium Oxide, Boric Oxide, and Lithium Metaborate.
Hildenbrand DL, et al.
J. Chem. Phys., 39(2), 296-301 (1963)
Pressure-induced coordination changes in LiBO2.
Lei L, et al.
Journal of Solid State Chemistry, 182(11), 3041-3048 (2009)
Determination of 24 trace elements in felsic rocks by inductively coupled plasma mass spectrometry after lithium metaborate fusion.
Panteeva SV, et al.
Spectrochimica Acta. Part B: Atomic Spectroscopy, 58(2), 341-350 (2003)
The crystal structure of lithium metaborate.
Zachariasen WH.
Acta Crystallographica, 17(6), 749-751 (1964)
R Bojanowski et al.
TheScientificWorldJournal, 2, 1891-1905 (2003-08-16)
A simple and rapid method has been developed to determine 226Ra in rocks, soils, and sediments. Samples are decomposed by fusion with lithium metaborate and the melt is dissolved in a solution containing sulfates and citric acid. During the dissolution
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