Benzenesulfonic acid, 3,3′-[(9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino]bis[2,4,6-trimethyl-, sodium salt (1:2) (CAS 4474-24-2) — Citrus Not applicable Note Fragrance Ingredient

Citrus · Floral

Benzenesulfonic acid, 3,_3'-_[(9,_10-_dihydro-_9,_10-_dioxo-_1,_4-_anthracenediyl)_diimino]_bis[2,_4,_6-_trimethyl-_, sodium salt (1:2)

CAS 4474-24-2

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

What Is Benzenesulfonic acid, 3,_3'-_[(9,_10-_dihydro-_9,_10-_dioxo-_1,_4-_anthracenediyl)_diimino]_bis[2,_4,_6-_trimethyl-_, sodium salt (1:2)?

This synthetic compound is primarily used in industrial applications rather than consumer products. It may be encountered in specialized materials manufacturing but is not commonly found in everyday items. As a highly specialized chemical, it has limited direct consumer relevance but plays important roles in niche technical processes where its specific molecular properties are required.

Safety Profile

PROFESSIONAL USE
Generally safeUse with awarenessProfessional use
Industrial handling precautions required
Not for consumer product formulation
CAS
4474-24-2
Formula
Mixture
MW
Variable
Odor Family
Citrus · Floral
Layer 1 · Enthusiast

What Does Benzenesulfonic acid, 3,_3'-_[(9,_10-_dihydro-_9,_10-_dioxo-_1,_4-_anthracenediyl)_diimino]_bis[2,_4,_6-_trimethyl-_, sodium salt (1:2) Smell Like?

This industrial chemical does not have a characterized odor profile suitable for fragrance applications. Its complex anthraquinone-derived structure suggests it would not possess desirable aromatic qualities for perfumery. The molecule is not designed for olfactory purposes but rather for its chemical functionality in industrial processes.

Layer 2

2D Molecular Structure

C.I. Acid Blue 80

SMILES: [Na+].[Na+].CC1=CC(C)=C(C(C)=C1NC1=C2C(=O)C3=C(C=CC=C3)C(=O)C2=C(NC2=C(C)C=C(C)C(=C2C)S([O-])(=O)=O)C=C1)S([O-])(=O)=O

Chemistry, Properties & Perfumer Guide

The Chemistry

This sodium salt of a substituted benzenesulfonic acid features an anthraquinone diimino core with trimethyl benzenesulfonic acid substituents. The anthraquinone moiety provides electron-accepting properties while the sulfonate groups confer water solubility. Synthesis typically involves multi-step reactions starting from anthraquinone precursors, with final sulfonation and salt formation. The molecule’s industrial utility stems from its combination of aromatic character and ionic functionality.

Physical & Chemical Properties

AppearanceNot characterized for fragrance use
SolubilityLikely water-soluble due to sulfonate groups

Perfumer Guide

Note Position
Not applicable
Volatility
Not characterized
Blending
Not for fragrance use
ApplicationTypical %RangeNotes

Classic Accords

Tip: This compound 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.

RIFM Assessment

Not evaluated by RIFM as it is not a fragrance ingredient.

Sustainability

As an industrial chemical with no fragrance applications, sustainability considerations focus on manufacturing process efficiency and waste management rather than renewable sourcing. The synthetic nature of this compound means it does not impact natural resources directly, but its production should follow responsible chemical industry practices for environmental protection.

Explore Benzenesulfonic acid, 3,_3'-_[(9,_10-_dihydro-_9,_10-_dioxo-_1,_4-_anthracenediyl)_diimino]_bis[2,_4,_6-_trimethyl-_, sodium salt (1:2)

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References

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

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    Ingredient Data Sheet

    CAS 4474-24-2

    Physical Properties

    Molecular Weight678.7 g/mol🔬 PubChem
    Boiling Point442 °C🔬 EPA CompTox
    Vapor Pressure0 mmHg @ 25°C📊 OPERA
    SMILESCC1=CC(=C(C(=C1NC2=C3C(=C(C=C2)NC4=C(C(=C(C=C4C)C)S(=O)(=O)[O-])C)C(=O)C5=CC=CC=C5C3=O)C)S(=O)(=O)[O-])C.[Na+].[Na+]🔬 PubChem

    Volatility & Performance

    Fragrance NoteBase💻 Calculated

    Odor & Flavor

    Functional Groupsketonearomaticamine💻 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: DTXSID2041705

    Physical Properties

    Molecular Weight 678.68 g/mol🔬 EPA CompTox
    Density 1.537 g/cm^3🔬 EPA CTX
    Boiling Point 442 °C📊 OPERA
    Melting Point 200 °C📊 OPERA

    Partition & Solubility

    LogP (Octanol-Water) -0.626 Log10 unitless🔬 EPA CTX
    LogD (pH 5.5) 2.78 Log10 unitless📊 OPERA
    LogD (pH 7.4) 1.13 Log10 unitless📊 OPERA
    LogKoa (Octanol-Air) 9.56 Log10 unitless📊 OPERA
    Water Solubility 0.016 mol/L🔬 EPA CTX
    Henry's Law Constant 0 atm-m3/mole📊 OPERA

    Transport Properties

    Vapor Pressure 0 mmHg📊 OPERA

    Molecular Descriptors

    Topological Polar Surface Area 172.6 Ų💻 Computed
    H-Bond Donors 2 count💻 Computed
    H-Bond Acceptors 10 count💻 Computed
    Rotatable Bonds 6 count💻 Computed
    Aromatic Rings 4 count💻 Computed
    Molar Refractivity 163.55 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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