Poly(oxy-1,2-ethanediyl), -sulfo–(nonylphenoxy)-, ammonium salt (1:1) (CAS 9051-57-4) — Citrus Not applicable Note Fragrance Ingredient

ByThe Good Scents
Citrus · Floral

Poly(oxy-_1,_2-_ethanediyl)_, _-_sulfo-__-_(nonylphenoxy)_-_, ammonium salt (1:1)

CAS 9051-57-4

Origin
synthetic
Note
Not applicable
IFRA
Professional use
Data as of: Apr 2026

What Is Poly(oxy-_1,_2-_ethanediyl)_, _-_sulfo-__-_(nonylphenoxy)_-_, ammonium salt (1:1)?

This synthetic polymer is used in industrial applications and specialty formulations. While not commonly encountered in consumer products, it serves important functions in specific technical contexts where its surfactant properties are valuable. Always check product labels for its presence if you have chemical sensitivities.

Safety Profile

PROFESSIONAL USE
Generally safeUse with awarenessProfessional use
⚠ Industrial handling required
⚠ Not for consumer fragrance use
CAS
9051-57-4
Formula
Mixture
MW
Variable
Odor Family
Citrus · Floral
Layer 1 · Enthusiast

What Does Poly(oxy-_1,_2-_ethanediyl)_, _-_sulfo-__-_(nonylphenoxy)_-_, ammonium salt (1:1) Smell Like?

This industrial chemical does not have a characteristic odor profile suitable for fragrance applications. Its primary use is as a specialized surfactant rather than as a perfumery material.

Layer 2

2D Molecular Structure

Ammonium nonoxynol-4-sulfate

SMILES: CCCCCCCCCC1=CC=C(C=C1)OCCOCCOCCOCCOS(=O)(=O)[O-].[NH4+]

Chemistry, Properties & Perfumer Guide

The Chemistry

This is a synthetic polymer belonging to the class of alkylphenol ethoxylates. It functions as an anionic surfactant due to its sulfonate group. The material is produced through controlled polymerization processes followed by sulfonation. Industrial applications leverage its surface-active properties rather than any olfactory characteristics.

Physical & Chemical Properties

AppearanceVaries by formulation
Molecular WeightPolymer – varies

Perfumer Guide

Note Position
Not applicable
Volatility
Non-volatile
Blending
Industrial use only
ApplicationTypical %RangeNotes
Industrial0%0%Not for fragrance use

Classic Accords

Tip: This material is not suitable for perfumery applications.

Alternatives & Comparisons

Layer 3

Safety, Regulatory & Sustainability

⚠ Regulatory Disclaimer

General reference only. Consult current IFRA Standards Library before formulating.

IFRA Status

Not regulated by IFRA as it is not a fragrance material.

GHS Classification

H315 Skin irritation H319 Eye irritation H335 May cause respiratory irritation

RIFM Assessment

Not assessed by RIFM as it is not a fragrance material.

Sustainability

As an industrial chemical, environmental impact depends on proper handling and disposal. Biodegradability may be limited due to its polymeric structure. Always follow local regulations for use and disposal.

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References

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

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    Ingredient Data Sheet

    CAS 9051-57-4

    Physical Properties

    Molecular Weight493.7 g/mol🔬 PubChem
    SMILESCCCCCCCCCC1=CC=C(C=C1)OCCOCCOCCOCCOS(=O)(=O)[O-].[NH4+]🔬 PubChem

    Odor & Flavor

    Functional Groupsetheraromatic💻 RDKit
    Data Sources & Attribution
    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: DTXSID90920349

    Physical Properties

    Molecular Weight 493.7 g/mol🔬 PubChem

    Molecular Descriptors

    Topological Polar Surface Area 139.85 Ų💻 Computed
    H-Bond Donors 1 count💻 Computed
    H-Bond Acceptors 8 count💻 Computed
    Rotatable Bonds 22 count💻 Computed
    Aromatic Rings 1 count💻 Computed
    Molar Refractivity 127.73 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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