2H-1-Benzopyran-6-ol, 3,4-dihydro-2,7,8-trimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-, (2R)- (CAS 54-28-4) — Woody Unknown Note Fragrance Ingredient

Woody · Balsamic

2H-1-Benzopyran-6-ol, 3,4-dihydro-2,7,8-trimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-, (2R)-

CAS 54-28-4

Origin
synthetic
Note
Unknown
IFRA
Use with awareness
Data as of: Apr 2026

What Is 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,7,8-trimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-, (2R)-?

This synthetic ingredient is a complex molecule used in niche perfumery for its unique aromatic properties. While not commonly encountered in everyday products, it may appear in high-end fragrances seeking novel olfactory effects. Its importance lies in providing perfumers with a precise tool for creating specific scent profiles that cannot be achieved with natural materials alone, allowing for innovative fragrance compositions.

Safety Profile

USE WITH AWARENESS
Generally safeUse with awarenessProfessional use
Limited safety data available
Handle with standard chemical precautions
CAS
54-28-4
Formula
Mixture
MW
Variable
Odor Family
Woody · Balsamic
Layer 1 · Enthusiast

What Does 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,7,8-trimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-, (2R)- Smell Like?

Due to insufficient data about this specific molecule’s olfactory properties, a detailed smell description cannot be provided. The complex structure suggests potential woody, balsamic, or slightly floral characteristics with possible tobacco or amber nuances, but actual sensory properties would need empirical evaluation. The trimethyltridecyl side chain may contribute to a long-lasting dry-down.

Scent Profile
Layer 2

2D Molecular Structure

(+)-gamma-Tocopherol

SMILES: CC(C)CCC[C@@H](C)CCC[C@@H](C)CCC[C@]1(C)CCC2=CC(O)=C(C)C(C)=C2O1

Chemistry, Properties & Perfumer Guide

The Chemistry

This compound belongs to the chromanol class, featuring a benzopyran core with multiple methyl substitutions and a long isoprenoid side chain. The stereochemistry at positions 2, 4, and 8 is particularly important for its potential biological activity and olfactory properties. Synthesis would likely involve building the chromanol ring system followed by stereoselective attachment of the terpenoid side chain. The molecule’s chirality suggests possible differences in odor perception between enantiomers.

Physical & Chemical Properties

Chemical ClassChromanol derivative
Structural FeaturesBenzopyran core with isoprenoid side chain

Perfumer Guide

Note Position
Unknown
Volatility
Unknown
Blending
Unknown
ApplicationTypical %RangeNotes
Fine FragranceUnknownUnknownPotential base note component
Functional ProductsUnknownUnknownNot commonly used

Classic Accords

Tip: Evaluate in dilution first due to unknown olfactory properties and potential potency.

Alternatives & Comparisons

Layer 3

Safety, Regulatory & Sustainability

⚠ Regulatory Disclaimer

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

IFRA Status

No IFRA restrictions found for this specific compound.

RIFM Assessment

No RIFM assessment data available for this compound.

Sustainability

As a synthetic material, this compound’s sustainability depends on production methods and raw material sourcing. Without specific manufacturing information, environmental impact cannot be assessed. Potential advantages include precise synthesis avoiding natural resource depletion, but energy-intensive processes may be required for this complex molecule.

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References

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

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    Physicochemical Properties

    DTXSID: DTXSID9049031

    Physical Properties

    Molecular Weight 416.69 g/mol🔬 EPA CompTox
    Density 0.906 g/cm^3📊 OPERA
    Boiling Point 213.1 °C🔬 EPA CTX
    Melting Point -67.5 °C🔬 EPA CTX
    Flash Point 213.259 °C📊 OPERA
    Refractive Index 1.495 Dimensionless📊 OPERA
    Molar Volume 446.505 cm^3/mol📊 OPERA

    Partition & Solubility

    LogP (Octanol-Water) 9.573 Log10 unitless📊 OPERA
    LogD (pH 5.5) 9.208 Log10 unitless📊 OPERA
    LogD (pH 7.4) 9.562 Log10 unitless📊 OPERA
    LogKoa (Octanol-Air) 10.31 Log10 unitless📊 OPERA
    Water Solubility 0.307 mol/L🔬 EPA CTX
    Henry's Law Constant 0 atm-m3/mole📊 OPERA

    Transport Properties

    Vapor Pressure 0 mmHg📊 OPERA
    Viscosity 70.214 cP📊 OPERA
    Surface Tension 36.638 dyn/cm📊 OPERA
    Thermal Conductivity 130.071 mW/(m*K)📊 OPERA

    Molecular Descriptors

    Topological Polar Surface Area 29.46 Ų💻 Computed
    H-Bond Donors 1 count💻 Computed
    H-Bond Acceptors 2 count💻 Computed
    Rotatable Bonds 12 count💻 Computed
    Aromatic Rings 1 count💻 Computed
    Molar Refractivity 130.24 cm^3/mol📊 OPERA
    Polarizability 51.631 Å^3📊 OPERA

    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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