# Sodium Citrate Dihydrate (CAS 6132-04-3)

**CAS:** 6132-04-3  
**PubChem CID:** [71474](https://pubchem.ncbi.nlm.nih.gov/compound/71474)  
**Molecular formula:** C₆H₉Na₃O₉  
**Molar mass:** 294.10 g/mol  
**IUPAC:** trisodium;2-hydroxypropane-1,2,3-tricarboxylate;dihydrate  
**SMILES:** `C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.O.O.[Na+].[Na+].[Na+]`  
**InChIKey:** `NLJMYIDDQXHKNR-UHFFFAOYSA-K`  
**InChI:** `InChI=1S/C6H8O7.3Na.2H2O/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;;2*1H2/q;3*+1;;/p-3`  

## Physicochemical properties

| Parameter | Value |
|---|---|
| PSA | 143 Ų |
| Hydrogen bond donors | 3 |
| Hydrogen bond acceptors | 9 |
| Rotatable bonds | 2 |
| Heavy atoms | 18 |

## 3D structure

The molecule contains 27 atoms connected by 21 chemical bonds. Interactive 3D model available at: https://molgod.org/molekula/6132-04-3/

## Synonyms

- Trisodium citrate dihydrate
- Sodium citrate dihydrate
- 6132-04-3
- Sodium citrate hydrate
- B22547B95K
- Citric acid, trisodium salt, dihydrate
- Sodium citrate hydrous
- Emetrol Chewables Orange
- Nauzene
- CHEBI:32142

## Available in the shop

[Sodium Citrate Dihydrate (CAS 6132-04-3) — Xilong Scientific](https://molgod.org/sds-cards/sodium-citrate-dihydrate-cas-no-6132-04-cas-6132-04-3-xilong-scientific/)

## Data sources

- [PubChem CID 71474](https://pubchem.ncbi.nlm.nih.gov/compound/71474)
- [Wikidata](https://www.wikidata.org/wiki/Q22075862)
- [NIST WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=6132-04-3)
- [ChEMBL](https://www.ebi.ac.uk/chembl/g/#search_results/all/query=6132-04-3)

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