# Sodium Phosphate Dibasic CAS N 7782-85 (CAS 7782-85-6)

**CAS:** 7782-85-6  
**PubChem CID:** [6096963](https://pubchem.ncbi.nlm.nih.gov/compound/6096963)  
**Molecular formula:** H₁₅Na₂O₁₁P  
**Molar mass:** 268.07 g/mol  
**IUPAC:** disodium;hydrogen phosphate;heptahydrate  
**SMILES:** `O.O.O.O.O.O.O.OP(=O)([O-])[O-].[Na+].[Na+]`  
**InChIKey:** `PYLIXCKOHOHGKQ-UHFFFAOYSA-L`  
**InChI:** `InChI=1S/2Na.H3O4P.7H2O/c;;1-5(2,3)4;;;;;;;/h;;(H3,1,2,3,4);7*1H2/q2*+1;;;;;;;;/p-2`  

## Physicochemical properties

| Parameter | Value |
|---|---|
| PSA | 90.4 Ų |
| Hydrogen bond donors | 8 |
| Hydrogen bond acceptors | 11 |
| Rotatable bonds | 0 |
| Heavy atoms | 14 |

## 3D structure

The molecule contains 29 atoms connected by 19 chemical bonds. Interactive 3D model available at: https://molgod.org/molekula/7782-85-6/

## Available in the shop

[Sodium Phosphate Dibasic CAS N 7782-85 (CAS 7782-85-6) — Xilong Scientific](https://molgod.org/sds-cards/sodium-phosphate-dibasic-cas-n-7782-85-cas-7782-85-6-xilong-scientific/)

## Data sources

- [PubChem CID 6096963](https://pubchem.ncbi.nlm.nih.gov/compound/6096963)
- [Wikidata](https://www.wikidata.org/wiki/Q27265904)
- [NIST WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=7782-85-6)
- [ChEMBL](https://www.ebi.ac.uk/chembl/g/#search_results/all/query=7782-85-6)

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