Tetrasodium Etidronate

CAS 3794-83-0  ·  C₂H₄Na₄O₇P₂  ·  MW 293.96 g/mol

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3D model Tetrasodium Etidronate, CAS 3794-83-0, molecular formula C₂H₄Na₄O₇P₂, molar mass 293.96 g/mol
About Tetrasodium Etidronate

Tetrasodium Etidronate is a chemical compound registered under number CAS 3794-83-0, with the molecular formula C₂H₄Na₄O₇P₂, and a molar mass of 293.96 g/mol.

The molecule contains 19 atoms connected by 14 chemical bonds. The full systematic IUPAC name of this compound is tetrasodium;1,1-diphosphonatoethanol. 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 = 147 Ų, 1 donors and 7 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 formulaC₂H₄Na₄O₇P₂
Molar mass293.96 g/mol
IUPACtetrasodium;1,1-diphosphonatoethanol
SMILESCC(O)(P(=O)([O-])[O-])P(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+]
InChIKeyKWXLCDNSEHTOCB-UHFFFAOYSA-J
logP (XLogP3)—
PSA147 Ų
HBD / HBA1 / 7
PubChem CIDCID 19629 ↗
GHS safety

Signal word: Warning

GHS07
GHS07

H302 — Harmful if swallowed

H319 — Causes serious eye irritation

Scientific literature

Related literature

2 articles · 0 open access · Sources: PubMed, OpenAlex, Semantic Scholar

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📈 Publication timeline (number of articles: 2)

2004: number of articles 120042012: 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.

Synonyms
3794-83-0 · Tetrasodium etidronate · Tarpinel 4NL · Turpinal 4NL · Sequion 10Na4 · etidronate tetrasodium · Defloc EN 43 · Dequest 2016 · UNII-CZZ9T1T1X4 · EINECS 223-267-7 · CZZ9T1T1X4 · Tetrasodium 1-hydroxyethylidene-1,1-diphosphonate · (1-Hydroxyethylidene)diphosphonic acid, tetrasodium salt · Ethane-1-hydroxy-1,1-diphosphonic acid, tetrasodium salt · 1-Hydroxyethylidene-1,1-diphosphonic acid, tetrasodium salt
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 5 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/19629
  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)
Tetrasodium Etidronate (CAS 3794-83-0), C₂H₄Na₄O₇P₂ - 3D ball-and-stick molecular model, engraved element symbols (C H Na O P), MolGod STL previewDownload image

MG-STL-3794-83-0-ENGRAVED · 349,200 △ · 17 MB · SHA-256 ac05d514d8598a06

Download 3D model · ENGRAVED · C H Na O P

Tetrasodium Etidronate (CAS 3794-83-0), C₂H₄Na₄O₇P₂ - 3D ball-and-stick molecular model, MolGod STL previewDownload image

MG-STL-3794-83-0-NORMAL · 7,616 △ · 372 KB · SHA-256 2fc1b39d4f83f611

Download 3D model

Model
Tetrasodium Etidronate · 3794-83-0
InChIKey
KWXLCDNSEHTOCB-UHFFFAOYSA-J
License
CC BY-SA 4.0 International (source rights undetermined — not yet granted)
Attribution
MolGod Scientific — Tetrasodium Etidronate (CAS 3794-83-0)
License & provenance record
Tetrasodium Etidronate (CAS 3794-83-0) →
MolGod molecule record
Tetrasodium Etidronate →
Source data
PubChem CID 19629 ↗
Model information
STL generated by MolGod · MolGod STL Exporter build 48804cd20b0d · generated 2026-10-14
SHA-256 (STL)
2fc1b39d4f83f611da8c369c2fd654a2d598bf9aae82e2890e8f3c3b2e310cb7
MD5 (STL)
6407b14a8ee9dc1d0fbdc223bf7a9619
Model identifier
MG-STL-3794-83-0
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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