Sodium metasilicate

Product Description:

English name: Sodium metasilicate

CAS number: 6834-92-0
Molecular formula: Na2O3Si
Molecular weight: 122.06
EINECS number: 229-912-9
MDL No. : MFCD00003492
Stats
Melting point 1089°C
Density 2.4
Refractive index nD25 (glass) 1.520
Morphology powder
Color White
Specific gravity 2.61
PH value 11(1 mM solution); 11.91(10 mM solution); 12.62(100 mM solution)
Soluble in cold water. Hydrolyzes in hot water. Insoluble in acids, alcohol and salt solutions. Soluble in cold water. Hydrolyzes in hot water. Insoluble in acids, alcohol and salt solutions.
Hydrolysis sensitivity 0: forms stable aqueous solutions
Merck14, 8642
Stability hygroscopic
InChIKeyNTHWMYGWWRZVTN-UHFFFAOYSA-N
Safety information
hazard symbol (GHS)GHS hazard pictogramsGHS hazard pictograms
GHS05,GHS07
Danger
Hazard Description H290-H314-H335
Precautions P234-P260-P271-P280-P303+P361+P353-P3