Borax, anhydrous

Danger

Synonyms: Borax, Sodium tetraborate

029-940-03
80700-078EA 134.18 USD
80700-078 80705-012
Borax, anhydrous
di-Sodium tetraborate

Anhydrous Borax is used in almost all Fire Assay fluxes. It lowers the fusion temperature and aids in the formulation of slag.


Contributes to the fluidity of the slag which helps the pour.


Caution: Hydrated borax should be avoided as it often produces boil over.

Formula: Na₂B₄O₇
MW: 201.22 g/mol
MDL Number: MFCD00081185
CAS Number: 1330-43-4

Order Now

Specification Test Results

B₂O₃ 68.5 to 69.4%
Na₂B₄O₇ 99.98 to 100.31%
Na₂O 30.5 to 30.91%
H₂O 0 - 1.02%
Fe 0 - 0040%

Learn more

About VWR

Avantor is a vertically integrated, global supplier of discovery-to-delivery solutions for...

Learn more About VWR