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Sodium orthosilicate
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<p>Sodium orthosilicate is the <a href="/facts/Chemical_compound/37FXqqtv">chemical compound</a> with the molecular formula Na4SiO4. It is one of the <a href="/facts/Sodium_silicate/055T0IYW">sodium silicates</a>, specifically an <a href="/facts/Orthosilicate/CKXheWm5">orthosilicate</a>, formally a <a href="/facts/Salt_(chemistry)/lsSKwGpn">salt</a> of the unstable <a href="/facts/Silicic_acid/vrXPqNhF">orthosilicic acid</a> H4SiO4. </p>