# EDTA Tripotassium Salt Dihydrate (CAS 65501-24-8)

**CAS:** 65501-24-8  
**PubChem CID:** [2733162](https://pubchem.ncbi.nlm.nih.gov/compound/2733162)  
**Molecular formula:** C₁₀H₁₇K₃N₂O₁₀  
**Molar mass:** 442.54 g/mol  
**IUPAC:** tripotassium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxymethyl)amino]acetate;dihydrate  
**SMILES:** `C(CN(CC(=O)[O-])CC(=O)[O-])N(CC(=O)O)CC(=O)[O-].O.O.[K+].[K+].[K+]`  
**InChIKey:** `MAPFUJCWRWFQIY-UHFFFAOYSA-K`  
**InChI:** `InChI=1S/C10H16N2O8.3K.2H2O/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20;;;;;/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);;;;2*1H2/q;3*+1;;/p-3`  

## Physicochemical properties

| Parameter | Value |
|---|---|
| PSA | 166 Ų |
| Hydrogen bond donors | 3 |
| Hydrogen bond acceptors | 12 |
| Rotatable bonds | 8 |
| Heavy atoms | 25 |

## 3D structure

The molecule contains 42 atoms connected by 36 chemical bonds. Interactive 3D model available at: https://molgod.org/molekula/65501-24-8/

## Synonyms

- Edta tripotassium salt dihydrate
- RefChem:1084049
- DTXCID00320811
- 65501-24-8
- Ethylenediaminetetraacetic acid tripotassium salt dihydrate
- Potassium 2,2'-((2-((carboxylatomethyl)(carboxymethyl)amino)ethyl)azanediyl)diacetate dihydrate
- C10H17K3N2O10
- MFCD00149672
- Tripotassium EDTA Dihydrate
- Tripotassium ethylenediaminetetraacetate dihydrate

## Available in the shop

[EDTA Tripotassium Salt Dihydrate (CAS 65501-24-8) — Xilong Scientific](https://molgod.org/sds-cards/edta-tripotassium-salt-dihydrate-cas-no-65501-24-cas-65501-24-8-xilong-scientific/)

## Data sources

- [PubChem CID 2733162](https://pubchem.ncbi.nlm.nih.gov/compound/2733162)
- [Wikidata](https://www.wikidata.org/wiki/Q72474719)
- [NIST WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=65501-24-8)
- [ChEMBL](https://www.ebi.ac.uk/chembl/g/#search_results/all/query=65501-24-8)

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*Last updated: 2026-09-02 · Generator: MOL-GOD v3.12.33*