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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.

signalword

Danger

Hazard Classifications

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

Storage Class

13 - Non Combustible Solids

wgk_germany

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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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)
Pressure-induced coordination changes in LiBO2.
Lei L, et al.
Journal of Solid State Chemistry, 182(11), 3041-3048 (2009)
Thermodynamics of Vaporization of Lithium Oxide, Boric Oxide, and Lithium Metaborate.
Hildenbrand DL, et al.
J. Chem. Phys. , 39(2), 296-301 (1963)
The crystal structure of lithium metaborate.
Zachariasen WH.
Acta Crystallographica, 17(6), 749-751 (1964)
P E Warwick et al.
Analytical chemistry, 73(14), 3410-3416 (2001-07-31)
Americium-241 and plutonium determinations will become of greater importance over the coming decades as 137Cs and 241Pu decay. The impact of 137Cs on environmental chronology has been great, but its potency is waning as it decays and diffuses. Having 241Am
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