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Spectroflux 100B, Lithium metaborate & Lithium tetraborate, 80:20 w/w% - 12080 - Alfa Aesar

12080 Spectroflux 100B, Lithium metaborate & Lithium tetraborate, 80:20 w/w%

CAS Number

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Spectroflux 100B, Lithium metaborate & Lithium tetraborate, 80:20 w/w%


Chemical Properties

Crystalline powder
Melting point
ca 840°
Slightly soluble in water.


Intermediate acidity. Will dissolve entire aluminosilicate range. Samples must be fully oxidized. Often used in testing of ceramics and glassSpectroflux 100B, Lithium metaborate & Lithium tetraborate is used in industry for rapid dissolution of chemically stable inorganic materials like alumina samples. It also finds application in aluminosilicate refractories, catalyst supports, chrome ores and refractories.


Hygroscopic. Incompatible with water, moisture and oxidizing agents.

Literature References

Knipping, J. L.; Bilenker, L. D.; Simon, A. C.; Reich, M.; Barra, F.; Deditius, A. P.; W?lle, M.; Heinrich, C. A.; Holtz, F.; Munizag, R. Trace elements in magnetite from massive iron oxide-apatite deposits indicate a combined formation by igneous and magmatic-hydrothermal processes. Geochim. Cosmochim. Acta 2015, 171, 15-38.

Sanna, A.; Ramli, I.; Maroto-Valer, M. M. Development of sodium/lithium/fly ash sorbents for high temperature post-combustion CO2 capture. Appl. Energy 2015, 156, 197-206.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335-H303

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. May be harmful if swallowed.

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Harmonized Tariff Code


  • 12079

    Spectroflux 100A, Lithium metaborate

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