Sodium silicide

Sodium silicide (NaSi, Na₂Si, Na₄Si₄) is a binary inorganic compound consisting of sodium and silicon. It is a solid black or grey crystalline material.^[1]

Sodium silicide reacts readily with water yielding gaseous hydrogen and aqueous sodium silicate in an exothermic reaction (~175 kJ·mol⁻¹):^[2]

2 NaSi + 5 H₂O → 5 H₂ + Na₂Si₂O₅

This is used in hydrogen technologies to generate hydrogen as a fuel.

References

Sodium compounds

NaAlO₂ NaBH₄ NaBH₃(CN) NaBO₂ NaBiO₃ NaBr NaBrO NaBrO₃ NaCH₃COO NaC₆H₅CO₂ NaC₆H₄(OH)CO₂ NaCN NaCl NaClO NaClO₂ NaClO₃ NaClO₄ NaF Na₂FeO₄ NaH NaHCO₃ NaH₂PO₄ NaHSO₃ NaHSO₄ NaI NaIO₃ NaIO₄ Na₅IO₆ NaMnO₄ NaN₃ NaNH₂ NaNO₂ NaNO₃ NaOCN NaO₂ NaO₃ NaOH NaPO₂H₂ NaReO₄ NaSCN NaSH NaTcO₄ NaVO₃ Na₂CO₃ Na₂C₂O₄ Na₂CrO₄ Na₂Cr₂O₇ Na₂GeO₃ Na₂MnO₄ Na₃MnO₄ Na₂MoO₄ Na₂MoS₄ Na₂N₂O₂ Na₂O Na₂O₂ Na₂O(UO₃)₂ Na₂PO₃F Na₂S Na₂SO₃ Na₂SO₄ Na₂S₂O₃ Na₂S₂O₄ Na₂S₂O₅ Na₂S₂O₆ Na₂S₂O₇ Na₂S₂O₈ Na₂S₄O₆ Na₂Se Na₂SeO₃ Na₂SeO₄ Na₂SiO₃ Na₂Si₂O₅ Na₄SiO₄ Na₂Te Na₂TeO₃ Na₂TeO₄ Na₂Po Na₂Ti₃O₇ Na₂U₂O₇ NaWO₄ Na₂Zn(OH)₄ Na₃N Na₃P Na₃PO₄ Na₃VO₄ Na₄Fe(CN)₆ Na₄P₃O₇ Na₅P₃O₁₀

Chemical formulas

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