# Sodium Dodecyl Sulfonate (SDS)

**CAS:** 2386-53-0  
**PubChem CID:** [23665726](https://pubchem.ncbi.nlm.nih.gov/compound/23665726)  
**Molecular formula:** C12H25NaO3S  
**Molar mass:** 272.38 g/mol  
**IUPAC:** sodium dodecane-1-sulfonate  
**SMILES:** `CCCCCCCCCCCCS(=O)(=O)[O-].[Na+]`  
**InChIKey:** `DAJSVUQLFFJUSX-UHFFFAOYSA-M`  
**InChI:** `InChI=1S/C12H26O3S.Na/c1-2-3-4-5-6-7-8-9-10-11-12-16(13,14)15;/h2-12H2,1H3,(H,13,14,15);/q;+1/p-1`  

## Physicochemical properties

| Parameter | Value |
|---|---|
| PSA | 65.6 Ų |
| Hydrogen bond donors | 0 |
| Hydrogen bond acceptors | 3 |
| Rotatable bonds | 11 |
| Heavy atoms | 17 |

## 3D structure

The molecule contains 42 atoms connected by 41 chemical bonds. Interactive 3D model available at: https://epchems.online/molekula/2386-53-0/

## Synonyms

- 2386-53-0
- Sodium 1-dodecanesulfonate
- Sodium laurylsulfonate
- 1-Dodecanesulfonic acid, sodium salt
- Sodium dodecane-1-sulphonate
- Laurylsulfonic Acid Sodium Salt
- 4GY1KJW8SI
- sodium dodecanesulfonate
- 1-Dodecanesulfonic acid, sodium salt (1:1)
- sodium n-dodecylsulfonate

## Available in the shop

[Sodium Dodecyl Sulfonate (SDS)](https://epchems.online/products/sodium-dodecyl-sulfonate/)

## Data sources

- [PubChem CID 23665726](https://pubchem.ncbi.nlm.nih.gov/compound/23665726)
- [Wikidata](https://www.wikidata.org/wiki/Q20670671)
- [NIST WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=2386-53-0)
- [ChEMBL](https://www.ebi.ac.uk/chembl/g/#search_results/all/query=2386-53-0)

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*Last updated: 2026-09-23 · Generator: MOL-GOD v3.12.33*