Mg2O6Si2 is a chemical compound registered under CAS number 10034-94-3, with the molecular formula H4O4 Si . 2 Mg and a molecular weight of about 200.78 g/mol. Its EINECS (EC) number is 233-112-5. It is also known as Magnesium orthosilicate; Dimagnesium silicate; dimagnesium orthosilicate. KingChemi supplies Mg2O6Si2 for laboratory research and bulk production; product code 414724. Send an inquiry for purity, packaging, price and lead time.