# Trisodium Ethylenediamine Disuccinate

**CAS:** 178949-82-1  
**PubChem CID:** [73555305](https://pubchem.ncbi.nlm.nih.gov/compound/73555305)  
**Molecular formula:** C₁₀H₁₃N₂Na₃O₈  
**Molar mass:** 358.19 g/mol  
**IUPAC:** trisodium;(2S)-2-[2-[[(1S)-1-carboxy-2-carboxylatoethyl]amino]ethylamino]butanedioate  
**SMILES:** `C(CN[C@@H](CC(=O)[O-])C(=O)[O-])N[C@@H](CC(=O)[O-])C(=O)O.[Na+].[Na+].[Na+]`  
**InChIKey:** `QEHXDDFROMGLSP-VDBFCSKJSA-K`  
**InChI:** `InChI=1S/C10H16N2O8.3Na/c13-7(14)3-5(9(17)18)11-1-2-12-6(10(19)20)4-8(15)16;;;/h5-6,11-12H,1-4H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);;;/q;3*+1/p-3/t5-,6-;;;/m0.../s1`  

## Physicochemical properties

| Parameter | Value |
|---|---|
| PSA | 182 Ų |
| Hydrogen bond donors | 3 |
| Hydrogen bond acceptors | 10 |
| Rotatable bonds | 8 |
| Heavy atoms | 23 |

## 3D structure

The molecule contains 36 atoms connected by 32 chemical bonds. Interactive 3D model available at: https://molgod.org/molecule/178949-82-1/

## Synonyms

- 178949-82-1
- Octaquest E 30
- L-Aspartic acid, N,N'-1,2-ethanediylbis-, trisodium salt
- Trisodium ethylenediamine disuccinate
- NATRLQUEST E30
- NATRLQUEST E 30
- ENVIOMET C140
- trisodiumethylenediamine disuccinate
- TRISODIUM-ETHYLENEDIAMINEDISUCCINATE
- (S,S)-ETHYLENEDIAMINE DISUCCINIC ACID TRISODIUM SALT

## Data sources

- [PubChem CID 73555305](https://pubchem.ncbi.nlm.nih.gov/compound/73555305)
- [Wikidata](https://www.wikidata.org/wiki/Q81984830)
- [NIST WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=178949-82-1)
- [ChEMBL](https://www.ebi.ac.uk/chembl/g/#search_results/all/query=178949-82-1)

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*Last updated: 2026-10-17 · Generator: MOL-GOD v3.12.33*