Input interpretation
sodium metasilicate
Chemical names and formulas
formula | Na_2SiO_3 Hill formula | Na_2O_3Si name | sodium metasilicate IUPAC name | disodium dioxido-oxosilane alternate names | crystamet | disodium dioxido-oxo-silane | disodium dioxido-oxosilane | disodium keto-dioxido-silane | disodium metasilicate | orthosil mass fractions | Na (sodium) 37.7% | O (oxygen) 39.3% | Si (silicon) 23%
Structure diagram
Structure diagram
vertex count | 6 edge count | 3 Schultz index | 36 Wiener index | 9 Hosoya index | 4 Balaban index | 2.324
Basic properties
molar mass | 122.06 g/mol phase | solid (at STP) melting point | 72.2 °C density | 1.749 g/cm^3 solubility in water | soluble
Units
Solid properties (at STP)
density | 1.749 g/cm^3 refractive index | 1.52
Units
Thermodynamic properties
specific free energy of formation Δ_fG° | solid | -119.84 kJ/g molar free energy of formation Δ_fG° | solid | -14628 kJ/mol specific heat of formation Δ_fH° | solid | -12.74 kJ/g molar heat of formation Δ_fH° | solid | -1555 kJ/mol molar heat of fusion | 51.8 kJ/mol | specific heat of fusion | 0.424 kJ/g | (at STP)
Chemical identifiers
![CAS number | 6834-92-0 PubChem CID number | 23266 PubChem SID number | 24858628 SMILES identifier | [O-][Si](=O)[O-].[Na+].[Na+] InChI identifier | InChI=1/2Na.O3Si/c;;1-4(2)3/q2*+1;-2 RTECS number | VV9275000 MDL number | MFCD00003492](../image_source/7aa0e3dc3f0f748487802c6723a1309b.png)
CAS number | 6834-92-0 PubChem CID number | 23266 PubChem SID number | 24858628 SMILES identifier | [O-][Si](=O)[O-].[Na+].[Na+] InChI identifier | InChI=1/2Na.O3Si/c;;1-4(2)3/q2*+1;-2 RTECS number | VV9275000 MDL number | MFCD00003492
NFPA label
NFPA label
NFPA health rating | 3 NFPA fire rating | 0 NFPA reactivity rating | 0
Toxicity properties
RTECS classes | reproductive effector | human data | primary irritant
Ion equivalents
Na^+ (sodium cation) | 2 (SiO_3^(2-))_n (metasilicate anion) | 1