# Tetrasodium Iminodisuccinate

**CAS:** 144538-83-0  
**PubChem CID:** [9927753](https://pubchem.ncbi.nlm.nih.gov/compound/9927753)  
**Molecular formula:** C₈H₅NNa₄O₈  
**Molar mass:** 337.10 g/mol  
**IUPAC:** tetrasodium;2-(1,2-dicarboxylatoethylamino)butanedioate  
**SMILES:** `C(C(C(=O)[O-])NC(CC(=O)[O-])C(=O)[O-])C(=O)[O-].[Na+].[Na+].[Na+].[Na+]`  
**InChIKey:** `GYBINGQBXROMRS-UHFFFAOYSA-J`  
**InChI:** `InChI=1S/C8H11NO8.4Na/c10-5(11)1-3(7(14)15)9-4(8(16)17)2-6(12)13;;;;/h3-4,9H,1-2H2,(H,10,11)(H,12,13)(H,14,15)(H,16,17);;;;/q;4*+1/p-4`  

## Physicochemical properties

| Parameter | Value |
|---|---|
| PSA | 173 Ų |
| Hydrogen bond donors | 1 |
| Hydrogen bond acceptors | 9 |
| Rotatable bonds | 4 |
| Heavy atoms | 21 |

## 3D structure

The molecule contains 28 atoms connected by 23 chemical bonds. Interactive 3D model available at: https://molgod.org/molecule/144538-83-0/

## Synonyms

- 144538-83-0
- Tetrasodium iminodisuccinate
- Aspartic acid, N-(1,2-dicarboxyethyl)-, sodium salt (1:4)
- GYS41J2635
- tetrasodium;2-(1,2-dicarboxylatoethylamino)butanedioate
- Aspartic acid, N-(1,2-dicarboxyethyl)-, tetrasodium salt
- BAYPURE CX100
- BORCHIGEN 630
- BAYPURE CX-100
- iminodisuccinic acid sodium salt

## Data sources

- [PubChem CID 9927753](https://pubchem.ncbi.nlm.nih.gov/compound/9927753)
- [Wikidata](https://www.wikidata.org/wiki/Q126611014)
- [NIST WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=144538-83-0)
- [ChEMBL](https://www.ebi.ac.uk/chembl/g/#search_results/all/query=144538-83-0)

---

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