Silicic acid (H2SiO3), disodium salt, pentahydrate

CAS 10213-79-3  ·  H₁₀Na₂O₈Si  ·  MW 212.14 g/mol

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3D model Silicic acid (H2SiO3), disodium salt, pentahydrate, CAS 10213-79-3, molecular formula H₁₀Na₂O₈Si, molar mass 212.14 g/mol

Model views

  • Silicic acid (H2SiO3), disodium salt, pentahydrate (CAS 10213-79-3) – ball-and-stick 3D model, MolGod Viewer
    ball-and-stick 3D model
  • Silicic acid (H2SiO3), disodium salt, pentahydrate (CAS 10213-79-3) – skeletal 3D model, MolGod Viewer
    skeletal 3D model
  • Silicic acid (H2SiO3), disodium salt, pentahydrate (CAS 10213-79-3) – space-filling 3D model, MolGod Viewer
    space-filling 3D model
  • Silicic acid (H2SiO3), disodium salt, pentahydrate (CAS 10213-79-3) – 2D structure, MolGod Viewer
    2D structure

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About Silicic acid (H2SiO3), disodium salt, pentahydrate

Silicic acid (H2SiO3), disodium salt, pentahydrate is a chemical compound registered under number CAS 10213-79-3, with the molecular formula H₁₀Na₂O₈Si, and a molar mass of 212.14 g/mol.

The molecule contains 21 atoms connected by 13 chemical bonds. The full systematic IUPAC name of this compound is disodium;dioxido(oxo)silane;pentahydrate. The interactive 3D model above lets you view the spatial arrangement of the atoms — you can rotate it with the mouse, zoom with the scroll wheel, and switch between skeletal / Ball & Stick / Space Fill visualization modes.

In terms of physicochemical properties, polar surface area PSA = 68.2 Ų, 5 donors and 8 hydrogen bond acceptors. These parameters are key when assessing bioavailability and interaction with biomolecules.

Chemical data for this compound comes from PubChem (NIH NLM NCBI), one of the world's largest chemical databases. All information is updated automatically and enriched with GHS hazard statement translations compliant with the CLP Regulation (EC 1272/2008). The widget above may be used for educational, research and commercial purposes.

Physicochemical properties
Molecular formulaH₁₀Na₂O₈Si
Molar mass212.14 g/mol
IUPACdisodium;dioxido(oxo)silane;pentahydrate
SMILESO.O.O.O.O.[O-][Si](=O)[O-].[Na+].[Na+]
InChIKeyADPGKKZKGXANON-UHFFFAOYSA-N
logP (XLogP3)—
PSA68.2 Ų
HBD / HBA5 / 8
PubChem CIDCID 61495 ↗
GHS safety

Signal word: Danger

GHS05
GHS05
GHS07
GHS07
GHS08
GHS08

H302 — Harmful if swallowed

H314 — Causes severe skin burns and eye damage

H318 — Causes serious eye damage

H371 — May cause damage to organs

Scientific literature

Brak articles naukowych dla CAS 10213-79-3 w PubMed / OpenAlex / Semantic Scholar.

Synonyms
Sodium metasilicate pentahydrate · Silicic acid (H2SiO3), disodium salt, pentahydrate · Silicic acid, disodium salt, pentahydrate · DISODIUM METASILICATE PENTAHYDRATE · RefChem:885447 · DTXCID409717 · 10213-79-3 · disodium;dioxido(oxo)silane;pentahydrate · MFCD00149176 · H10Na2O8Si · SCHEMBL123472 · SODIUM METASILICATE 5H2O · AKOS015913813 · FS76799 · NS00113262
Data sources
Related molecules
📜 License & provenancePREDICTED MODEL · NOT VERIFIEDMolGod_License_1
PREDICTED MODEL — NOT VERIFIED
computed by MolGod Scientific · experimental feature (beta) · may contain errors
ILLUSTRATIVE FRAGMENT ARRANGEMENT — relative positions are not structural data

No source 3-D conformer was available to MolGod for this substance. MolGod Scientific computed this geometry from the structural formula with RDKit 2026.03.6 (ETKDGv3 conformer generation, MMFF94+UFF force-field optimisation; lowest-energy converged conformer of a fixed-seed set). It is not a measured structure, it does not come from PubChem, and it has not been compared with experimental data. It shows one possible conformation.

This substance consists of 8 separate components (for example ions). Each component was computed separately; they are arranged radially around a layout anchor for visualisation only (at least 3.0 Å apart). Their relative positions are not a crystal structure, coordination geometry, ionic contacts or any experimentally determined arrangement.

Methods and references
  1. RDKit: Open-source cheminformatics, version 2026.03.6. Zenodo. doi:10.5281/zenodo.22140358 (all versions: doi:10.5281/zenodo.591637)
  2. Riniker S, Landrum GA. Better Informed Distance Geometry: Using What We Know To Improve Conformation Generation. J. Chem. Inf. Model. 2015, 55, 2562-2574. doi:10.1021/acs.jcim.5b00654
  3. Wang S, Witek J, Landrum GA, Riniker S. Improving Conformer Generation for Small Rings and Macrocycles Based on Distance Geometry and Experimental Torsional-Angle Preferences. J. Chem. Inf. Model. 2020, 60, 2044-2058. doi:10.1021/acs.jcim.0c00025
  4. Halgren TA. Merck molecular force field. I. Basis, form, scope, parameterization, and performance of MMFF94. J. Comput. Chem. 1996, 17, 490-519. doi:10.1002/(SICI)1096-987X(199604)17:5/6<490::AID-JCC1>3.0.CO;2-P
  5. Tosco P, Stiefl N, Landrum G. Bringing the MMFF force field to the RDKit: implementation and validation. J. Cheminform. 2014, 6, 37. doi:10.1186/s13321-014-0037-3
  6. Rappe AK, Casewit CJ, Colwell KS, Goddard WA III, Skiff WM. UFF, a full periodic table force field for molecular mechanics and molecular dynamics simulations. J. Am. Chem. Soc. 1992, 114, 10024-10035. doi:10.1021/ja00051a040
  7. Heller SR, McNaught A, Pletnev I, Stein S, Tchekhovskoi D. InChI, the IUPAC International Chemical Identifier. J. Cheminform. 2015, 7, 23. doi:10.1186/s13321-015-0068-4
  8. Kim S, Chen J, Cheng T, et al. PubChem 2025 update. Nucleic Acids Res. 2025, 53, D1516-D1525. doi:10.1093/nar/gkae1059 Compound record: https://pubchem.ncbi.nlm.nih.gov/compound/61495
  9. Bolton EE, Kim S, Bryant SH. PubChem3D: Conformer generation. J. Cheminform. 2011, 3, 4. doi:10.1186/1758-2946-3-4 (cited for contrast: no source 3-D conformer was available to MolGod for this record)
Silicic acid (H2SiO3), disodium salt, pentahydrate (CAS 10213-79-3), H₁₀Na₂O₈Si - 3D ball-and-stick molecular model, engraved element symbols (H Na O Si), MolGod STL previewDownload image

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Silicic acid (H2SiO3), disodium salt, pentahydrate (CAS 10213-79-3), H₁₀Na₂O₈Si - 3D ball-and-stick molecular model, MolGod STL previewDownload image

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Model
Silicic acid (H2SiO3), disodium salt, pentahydrate · 10213-79-3
InChIKey
ADPGKKZKGXANON-UHFFFAOYSA-N
License
CC BY-SA 4.0 International (source rights undetermined — not yet granted)
Attribution
MolGod Scientific — Silicic acid (H2SiO3), disodium salt, pentahydrate (CAS 10213-79-3)
License & provenance record
Silicic acid (H2SiO3), disodium salt, pentahydrate (CAS 10213-79-3) →
MolGod molecule record
Silicic acid (H2SiO3), disodium salt, pentahydrate →
Source data
PubChem CID 61495 ↗
Model information
STL generated by MolGod · MolGod STL Exporter build 48804cd20b0d · generated 2026-10-14
SHA-256 (STL)
c90e418a05454e53c4c197f9a32d931b3feff39a691de62bff5e6ec3bc250e3e
MD5 (STL)
b201e60ae694c7b35ec32416bed1ac3a
Model identifier
MG-STL-10213-79-3
Transformation
MolGod Scientific ball-and-stick mesh
Changes
PREDICTED geometry computed by MolGod Scientific (RDKit), NOT verified; rendered as a triangulated mesh.
Wikimedia Commons
not published yet

This license applies to the MolGod-created STL mesh, not automatically to third-party source material.

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