Benzenesulfonic acid, oxybis[dodecyl-, disodium salt (CAS 25167-32-2) — Citrus N/A Note Fragrance Ingredient
Benzenesulfonic acid, oxybis[dodecyl-, disodium salt
CAS 25167-32-2
What Is Benzenesulfonic acid, oxybis[dodecyl-, disodium salt?
Benzenesulfonic acid, oxybis[dodecyl-, disodium salt is a synthetic surfactant commonly found in industrial cleaners and detergents. It helps break down oils and grease. This ingredient matters because it ensures effective cleaning in household and industrial applications, though it is not typically used in personal care products due to its harsh nature.
Safety Profile
PROFESSIONAL USEWhat Does Benzenesulfonic acid, oxybis[dodecyl-, disodium salt Smell Like?
This compound is odorless or has a very faint chemical smell, often described as neutral or slightly soapy. It lacks the complexity of fragrance ingredients, serving purely functional purposes in formulations.
2D Molecular Structure
SMILES: CCCCCCCCCCCCC1=C(C=CC=C1S(=O)(=O)O)OC2=C(C(=CC=C2)S(=O)(=O)[O-])CCCCCCCCCCCC.[Na+]
Chemistry, Properties & Perfumer Guide
The Chemistry
Benzenesulfonic acid, oxybis[dodecyl-, disodium salt is a synthetic surfactant belonging to the class of sulfonates. It is produced through sulfonation of benzene followed by ethoxylation and neutralization. Its structure features two dodecyl chains linked by an oxy bridge, with sulfonate groups providing water solubility.
Physical & Chemical Properties
| Appearance | White to off-white powder |
|---|---|
| Solubility | Soluble in water |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Industrial Cleaners | 5-15% | Up to 20% | Effective degreaser |
Classic Accords
Tip: Use in industrial formulations where strong surfactant properties are required.
Alternatives & Comparisons
A milder surfactant suitable for some personal care applications.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
Not regulated by IFRA – industrial use only.
GHS Classification
RIFM Assessment
Not assessed by RIFM – industrial chemical.
Sustainability
This synthetic surfactant is derived from petrochemical sources. Its environmental impact depends on biodegradability, which is moderate. Proper disposal is essential to minimize aquatic toxicity.
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References
- PubChem Compound Summary for Benzenesulfonic acid, oxybis[dodecyl-, disodium salt PubChem
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
Report a data errorIngredient Data Sheet
CAS 25167-32-2Physical Properties
| Molecular Weight | 689 g/mol🔬 PubChem |
| Boiling Point | 100 °C🔬 EPA CompTox |
| SMILES | CCCCCCCCCCCCC1=C(C=CC=C1S(=O)(=O)O)OC2=C(C(=CC=C2)S(=O)(=O)[O-])CCCCCCCCCCCC.[Na+]🔬 PubChem |
Volatility & Performance
| Fragrance Note | Top💻 Calculated |
Odor & Flavor
| Functional Groups | etheraromatic💻 RDKit |
Physical data: PubChem (NIH/NLM), U.S. EPA CompTox Dashboard, EPA OPERA models, RDKit. Odor & flavor: Arctander (Perfume & Flavor Chemicals), Fenaroli's Handbook of Flavor Ingredients, Leffingwell. Thresholds: van Gemert (Compilations of Odour Threshold Values). Regulatory: IFRA Standards 51st, FEMA GRAS. Trade names: Surburg (Common Fragrance & Flavor Materials). All data compiled and cross-referenced for perfumertools.com.
Physicochemical Properties
DTXSID: DTXSID1057587
Physical Properties
| Molecular Weight | 689 g/mol🔬 PubChem |
| Density | 1.161 g/cm^3🔬 PubChem |
| Boiling Point | 100 °C🔬 PubChem |
| Flash Point | 55 °C📊 PubChem |
Transport Properties
| Vapor Pressure | 53.02 mmHg📊 PubChem |
Molecular Descriptors
| Topological Polar Surface Area | 120.8 Ų💻 Computed |
| H-Bond Donors | 1 count💻 Computed |
| H-Bond Acceptors | 6 count💻 Computed |
| Rotatable Bonds | 26 count💻 Computed |
| Aromatic Rings | 2 count💻 Computed |
| Molar Refractivity | 181.83 cm^3/mol💻 Computed |
Data Sources:
🔬 EPA Experimental data from U.S. EPA CompTox Chemicals Dashboard & CTX APIs. 📊 OPERA Predicted using EPA's OPERA QSAR models. 💻 Computed Calculated from SMILES using RDKit.
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