Etidronic Acid

CAS 2809-21-4  ·  C2H8O7P2  ·  MW 206.03 g/mol

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3D model Etidronic Acid, CAS 2809-21-4, molecular formula C2H8O7P2, molar mass 206.03 g/mol
About Etidronic Acid

Etidronic Acid is a chemical compound registered under number CAS 2809-21-4, with the molecular formula C2H8O7P2, and a molar mass of 206.03 g/mol.

The molecule contains 19 atoms connected by 18 chemical bonds. The full systematic IUPAC name of this compound is (1-hydroxy-1-phosphonoethyl)phosphonic acid. 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, the partition coefficient logP = -3.7 (negative value, a hydrophilic compound), polar surface area PSA = 135 Ų, 5 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 formulaC2H8O7P2
Masa molowa206.03 g/mol
IUPAC(1-hydroxy-1-phosphonoethyl)phosphonic acid
SMILESCC(O)(P(=O)(O)O)P(=O)(O)O
InChIKeyDBVJJBKOTRCVKF-UHFFFAOYSA-N
logP (XLogP3)-3.7
PSA135 Ų
HBD / HBA5 / 7
PubChem CIDCID 3305 ↗
GHS safety

Signal word: Danger

GHS05
GHS05
GHS07
GHS07
GHS08
GHS08

H318 — Powoduje poważne uszkodzenie oczu

H302 — Działa szkodliwie po połknięciu

H314 — Powoduje poważne oparzenia skóry oraz uszkodzenia oczu

H371 — Może spowodować uszkodzenie narządów

Scientific literature

Related literature

20 articles · 12 open access · Sources: PubMed, OpenAlex, Semantic Scholar

Filtry:Eksport:📄 BibTeX📑 RIS📋 EndNote🔧 CSL-JSON

📈 Publication timeline (20 articles)

2011: 3 articles20112014: 1 articles2016: 2 articles2018: 1 articles2019: 2 articles2020: 1 articles20202021: 1 articles2022: 1 articles2023: 3 articles2024: 1 articles2025: 4 articles2025

Bar height = number of articles per year. Hover dla szczegółów.

Dane z PubMed (NIH NLM), OpenAlex (CC0), Semantic Scholar (AI2). AI Summary wygenerowane przez Semantic Scholar TLDR. Artykuły z ikoną wymagają płatnego dostępu.

Synonyms
Etidronic acid · 2809-21-4 · HEDP · 1-Hydroxyethylidene-1,1-diphosphonic acid · EHDP · Etidronsaeure · Turpinal SL · Acetodiphosphonic acid · Hydroxyethanediphosphonic acid · Acido etidronico · Acide etidronique · Oxyethylidenediphosphonic acid · Dequest 2015 · Dequest Z 010 · Ferrofos 510
Data sources
Related molecules
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License & Provenance

MolGod 3D molecular model
Etidronic Acid — CAS 2809-21-4

License: CC BY-SA 4.0 (source rights NIEUSTALONE — not yet granted for this model)

MolGod License & Provenance Record:
Etidronic Acid (CAS 2809-21-4) — License & Provenance

Source:
Etidronic Acid (CAS 2809-21-4) — MolGod molecule record

Source data: PubChem CID 3305

STL: Download 3D model (381 KB)

SHA-256: 5d3e5507ea19f981c29270ff3e2f205db367eadb8664b692719e7193562ecf6b

Wikimedia Commons: not published yet

Source data: PubChem CID 3305

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