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254304

Sigma-Aldrich

Lithium tetraborate

≥99.995% trace metals basis

Linear Formula:
Li2B4O7
CAS Number:
Molecular Weight:
169.12
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

assay

≥99.995% trace metals basis

form

powder

impurities

≤50.0 ppm Trace Metal Analysis

mp

760-880 °C (lit.)

solubility

H2O: slightly soluble(lit.)

density

≥0.25 g/mL at 25 °C (lit.)

application(s)

forensics and toxicology

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

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General description

Lithium tetraborate in combination with oxalic acids and lithium carbonate in the ratio (1:1:1) may be used as an effective fusing agent for siliceous samples. It is widely employed in lithium tetraborate fusion procedure, suited for a variety of soils and rocks. Lithium tetraborate also finds applications in radiation detectors and dosimeters.

Application

Lithium tetraborate may be used as an analytical reagent for the analysis of major and trace elements in coal fly ashes and environmental materials using inductively coupled plasma atomic emission spectrometry (ICP-AES). It may also be used as an alkali fusion reagent for the determination of silicon in zirconium oxide powder using ICP-AES.

Packaging

25, 100 g in poly bottle

Signal Word

Danger

Hazard Statements

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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