• Source: Tetraboric acid

Tetraboric acid or pyroboric acid is a chemical compound with empirical formula H2B4O7. It is a colourless water-soluble solid formed by the dehydration or polymerization boric acid.
Tetraboric acid is formally the parent acid of the tetraborate anion [B4O7]2−.




Preparation


Tetraboric acid can be obtained by heating orthoboric acid B(OH)3 above about 170 °C:

4 B(OH)3 → H2B4O7 + 5 H2O




References

Kata Kunci Pencarian:

• Tetraboric acid
• Boric acid
• Metaboric acid
• Boric