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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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PRTR

Class I Designated Chemical Substances

JAN Code

402966-BULK:
402966-100G:
402966-VAR:
402966-25G:

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)
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)
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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