Sodium silicate is the common name for a compound sodium metasilicate, Na2SiO3, also known as water glass or liquid glass.

Sodium Silicate

Molecular Formula: Na2SiO3

CAS No.: 1344-09-8

EINECS NO.: 215-687-4

Specification:

Item	Standard
Na2O, %:	22.68-23.46
SiO2, %:	75.04-75.82
Na2O%+SiO2, %:	98.5 Min.
M:	3.3-3.45