# Tri-Ammonium citrate (CAS 7632-50-0)

**CAS:** 7632-50-0  
**PubChem CID:** [6435836](https://pubchem.ncbi.nlm.nih.gov/compound/6435836)  
**Molecular formula:** C6H11NO7  
**Molar mass:** 209.15 g/mol  
**IUPAC:** azane;2-hydroxypropane-1,2,3-tricarboxylic acid  
**SMILES:** `C(C(=O)O)C(CC(=O)O)(C(=O)O)O.N`  
**InChIKey:** `BWKOZPVPARTQIV-UHFFFAOYSA-N`  
**InChI:** `InChI=1S/C6H8O7.H3N/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);1H3`  

## Physicochemical properties

| Parameter | Value |
|---|---|
| PSA | 133 Ų |
| Hydrogen bond donors | 5 |
| Hydrogen bond acceptors | 8 |
| Rotatable bonds | 5 |
| Heavy atoms | 14 |

## 3D structure

The molecule contains 25 atoms connected by 23 chemical bonds. Interactive 3D model available at: https://molgod.org/molekula/7632-50-0/

## Synonyms

- Ammonium citrate
- 7632-50-0
- 3B4TDL7WDP
- RefChem:557689
- AMMONIUM CITRATE, UNSPECIFIED
- 231-560-6
- Citric acid, ammonium salt
- azane;2-hydroxypropane-1,2,3-tricarboxylic acid
- Ammonium 2-(carboxymethyl)-2-hydroxysuccinate(1:x)
- 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, ammonium salt

## Available in the shop

[Tri-Ammonium citrate (CAS 7632-50-0) — Beijing Tong Guang](https://molgod.org/sds-cards/tri-ammonium-citrate-cas-7632-50-0-beijing-tong-guang-3/)

## Data sources

- [PubChem CID 6435836](https://pubchem.ncbi.nlm.nih.gov/compound/6435836)
- [NIST WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=7632-50-0)
- [ChEMBL](https://www.ebi.ac.uk/chembl/g/#search_results/all/query=7632-50-0)

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*Last updated: 2026-09-03 · Generator: MOL-GOD v3.12.33*