Benzenesulfonic acid, oxybis[dodecyl-, disodium salt (CAS 25167-32-2) — Citrus N/A Note Fragrance Ingredient

ByThe Good Scents
Citrus · Floral

Benzenesulfonic acid, oxybis[dodecyl-, disodium salt

CAS 25167-32-2

Origin
synthetic
Note
N/A
IFRA
Professional use
Data as of: Apr 2026

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 USE
Generally safeUse with awarenessProfessional use
⚠ Not for personal care – industrial use only
⚠ Potential skin irritant
CAS
25167-32-2
Formula
Mixture
MW
Variable
Odor Family
Citrus · Floral
Layer 1 · Enthusiast

What 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.

Layer 2

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

AppearanceWhite to off-white powder
SolubilitySoluble in water

Perfumer Guide

Note Position
N/A
Volatility
N/A
Blending
N/A
ApplicationTypical %RangeNotes
Industrial Cleaners5-15%Up to 20%Effective degreaser

Classic Accords

Tip: Use in industrial formulations where strong surfactant properties are required.

Alternatives & Comparisons

1
Sodium dodecylbenzenesulfonate CAS 25155-30-0

A milder surfactant suitable for some personal care applications.

Layer 3

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

H315 Skin irritation H319 Eye irritation

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

  1. PubChem Compound Summary for Benzenesulfonic acid, oxybis[dodecyl-, disodium salt PubChem

Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.

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