Sodium Metasilicate Pentahydrate

Molecular formulaNa2SiO3.5H2O
H.S.Code28391100
CAS No.10213-79-3
AppearanceWhite crystal powder
Na2O content (wt %)28.5 ~ 30.0
SiO2 content by (wt %)27.3 ~ 29.2
Water insoluble (wt %)0.2 max.
Fe content (wt %)0.03 max.
Whiteness75 min.