Sodium hydroxide

CAS 1310-73-2  ·  HNaO  ·  MW 40.00 g/mol

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3D model Wodorotlenek sodu, CAS 1310-73-2, molecular formula HNaO, molar mass 40.00 g/mol

Model views

  • Sodium hydroxide (CAS 1310-73-2) – ball-and-stick 3D model, MolGod Viewer
    ball-and-stick 3D model
  • Sodium hydroxide (CAS 1310-73-2) – skeletal 3D model, MolGod Viewer
    skeletal 3D model
  • space-filling 3D model – rotation animation
  • Sodium hydroxide (CAS 1310-73-2) – 2D structure, MolGod Viewer
    2D structure

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About Sodium hydroxide

Sodium hydroxide is a chemical compound registered under number CAS 1310-73-2, with the molecular formula HNaO, and a molar mass of 40.00 g/mol.

The molecule contains 3 atoms connected by 1 chemical bonds. The full systematic IUPAC name of this compound is sodium hydroxide. 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 = 1 Ų, 1 donors and 1 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 interactive 3D model and the viewer images are protected by copyright (© MolGod.org) — terms of use: molgod.org/copyright/.

Physicochemical properties
Molecular formulaHNaO
Molar mass40.00 g/mol
IUPACsodium hydroxide
SMILES[Na+].[OH-]
InChIKeyHEMHJVSKTPXQMS-UHFFFAOYSA-M
logP (XLogP3)—
PSA1 Ų
HBD / HBA1 / 1
PubChem CIDCID 14798 ↗
GHS safety

Signal word: Danger

GHS05
GHS05

H314 — Causes severe skin burns and eye damage

Scientific literature

Related literature

3 articles · 1 open access · Sources: PubMed, OpenAlex, Semantic Scholar

Filters:Export:📄 BibTeX📑 RIS📋 EndNote🔧 CSL-JSON

📈 Publication timeline (number of articles: 3)

2006: number of articles 120062011: number of articles 120112012: number of articles 12012

Bar height = number of articles in a given year. Hover over a bar to see details.

Data from PubMed (NIH NLM), OpenAlex (CC0), Semantic Scholar (AI2). AI Summary generated by Semantic Scholar TLDR. Articles marked with require paid access.

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 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 2 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. 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
  7. 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/14798
  8. 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)
sodium hydroxide (CAS 1310-73-2), HNaO - 3D ball-and-stick molecular model, engraved element symbols (H Na O), MolGod STL previewDownload image

MG-STL-1310-73-2-ENGRAVED · 61,126 △ · 3 MB · SHA-256 d6d6f7dbd037785e

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sodium hydroxide (CAS 1310-73-2), HNaO - 3D ball-and-stick molecular model, MolGod STL previewDownload image

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Model
sodium hydroxide · 1310-73-2
InChIKey
HEMHJVSKTPXQMS-UHFFFAOYSA-M
License
CC BY-SA 4.0 International (source rights undetermined — not yet granted)
Attribution
MolGod Scientific — sodium hydroxide (CAS 1310-73-2)
License & provenance record
sodium hydroxide (CAS 1310-73-2) →
MolGod molecule record
sodium hydroxide →
Source data
PubChem CID 14798 ↗
Model information
STL generated by MolGod · MolGod STL Exporter build 2ea9a8c82836 · generated 2026-10-31
SHA-256 (STL)
1b15bcf6624927d618702ae4e4fc9197d76f30fd3535b550cc3cd359cf59a252
MD5 (STL)
2633f98c0fbd0e123fa3876ee3720ddc
Model identifier
MG-STL-1310-73-2
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
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