Borax, anhydrous
Supplier: Avantor
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Danger
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Synonyms:
Borax
, Sodium tetraborate
029-940-03
AMAS029-940-02
80705-012EA
291.1
CAD
80705-012
80700-078
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 |
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% |
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