Methyl 2-[(2-methylundecylidene)amino]benzoate (CAS 67800-80-0) — Floral Heart Note Fragrance Ingredient

Floral · Balsamic

Methyl 2-[(2-methylundecylidene)amino]benzoate

CAS 67800-80-0

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

What Is Methyl 2-[(2-methylundecylidene)amino]benzoate?

Methyl 2-[(2-methylundecylidene)amino]benzoate is a synthetic fragrance ingredient primarily used in perfumery. It is not commonly encountered in everyday products but may appear in niche or artisanal fragrances. This compound contributes unique olfactory characteristics that are valued by perfumers for creating distinctive scent profiles.

Safety Profile

USE WITH AWARENESS
Generally safeUse with awarenessProfessional use
Safe in regulated concentrations
Limited safety data available
CAS
67800-80-0
Formula
Mixture
MW
Variable
Odor Family
Floral · Balsamic
Layer 1 · Enthusiast

What Does Methyl 2-[(2-methylundecylidene)amino]benzoate Smell Like?

Methyl 2-[(2-methylundecylidene)amino]benzoate offers a complex olfactory profile with a blend of floral, slightly woody, and ambery nuances. The top note presents a subtle, almost metallic sharpness that quickly evolves into a heart of warm, slightly powdery florals. The dry-down reveals a lingering, soft muskiness with hints of benzoin-like sweetness. Its character is both elegant and mysterious, making it a favorite for creating depth in modern fragrances.

Scent Profile
Layer 2

2D Molecular Structure

Benzoic acid, 2-[(2-methylundecylidene)amino]-, methyl ester

SMILES: CCCCCCCCCC(C)C=NC1=CC=CC=C1C(=O)OC

Chemistry, Properties & Perfumer Guide

The Chemistry

Methyl 2-[(2-methylundecylidene)amino]benzoate is a synthetic ester with a complex structure featuring both aromatic and aliphatic components. It is synthesized through the condensation of methyl anthranilate with 2-methylundecanal, followed by esterification. The molecule’s unique geometry contributes to its distinctive odor profile, with the aromatic ring providing stability and the aliphatic chain adding depth and longevity.

Physical & Chemical Properties

Boiling PointN/A
DensityN/A

Perfumer Guide

Note Position
Heart
Volatility
Medium (2-4 hours)
Blending
Good
ApplicationTypical %RangeNotes
Fine Fragrance1-3%Up to 5%Adds depth and complexity
Functional Fragrance0.5-1%Up to 2%Used sparingly for subtle effects

Classic Accords

Tip: Use in small quantities to enhance floral and woody accords without overpowering other notes.

Alternatives & Comparisons

1
Methyl anthranilate CAS 134-20-3

A simpler ester with similar floral characteristics but less complexity and depth.

2
Amyl cinnamaldehyde CAS 122-40-7

Offers a more pronounced floral-jasminic character with good tenacity.

Layer 3

Safety, Regulatory & Sustainability

⚠ Regulatory Disclaimer

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

IFRA Status

No specific IFRA restrictions identified.

RIFM Assessment

Limited RIFM assessment data available; use with caution pending further studies.

Sustainability

As a synthetic compound, Methyl 2-[(2-methylundecylidene)amino]benzoate is produced in controlled laboratory settings, minimizing environmental impact compared to some natural extracts. Its synthesis can be optimized for reduced waste and energy consumption, aligning with modern green chemistry principles.

Explore Methyl 2-[(2-methylundecylidene)amino]benzoate

Browse essential oils and aroma compounds.

Browse on iHerb →

Affiliate disclosure: we may earn a small commission at no extra cost to you.

References

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

    Report a data error

    Physicochemical Properties

    DTXSID: DTXSID40867331

    Physical Properties

    Molecular Weight 317.473 g/mol🔬 EPA CompTox
    Density 0.951 g/cm^3📊 OPERA
    Boiling Point 380.916 °C📊 OPERA
    Melting Point 36.746 °C📊 OPERA
    Flash Point 166.276 °C📊 OPERA
    Refractive Index 1.496 Dimensionless📊 OPERA
    Molar Volume 331.908 cm^3/mol📊 OPERA

    Partition & Solubility

    LogP (Octanol-Water) 7.159 Log10 unitless📊 OPERA
    LogD (pH 5.5) 7.047 Log10 unitless📊 OPERA
    LogD (pH 7.4) 7.159 Log10 unitless📊 OPERA
    LogKoa (Octanol-Air) 9.72 Log10 unitless📊 OPERA
    Water Solubility 0 mol/L📊 OPERA
    Henry's Law Constant 0 atm-m3/mole📊 OPERA

    Transport Properties

    Vapor Pressure 0 mmHg📊 OPERA
    Surface Tension 32.717 dyn/cm📊 OPERA

    Molecular Descriptors

    Topological Polar Surface Area 38.66 Ų💻 Computed
    H-Bond Donors 0 count💻 Computed
    H-Bond Acceptors 3 count💻 Computed
    Rotatable Bonds 11 count💻 Computed
    Aromatic Rings 1 count💻 Computed
    Molar Refractivity 96.912 cm^3/mol📊 OPERA
    Polarizability 38.419 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.

    Similar Posts