Alcohols, C9-11-iso-, C10-rich (CAS 68526-85-2) — Citrus Base Note Fragrance Ingredient

ByThe Good Scents
Citrus · Floral

Alcohols, C9-11-iso-, C10-rich

CAS 68526-85-2

Origin
synthetic
Note
Base
IFRA
Generally safe
Data as of: Apr 2026

What Is Alcohols, C9-11-iso-, C10-rich?

C9-11-iso-alcohols are synthetic fragrance ingredients used as solvents and carriers in perfumes, cosmetics, and household products. They help blend other ingredients smoothly. These alcohols are found in many consumer products, from air fresheners to personal care items. Their controlled volatility and mild odor make them versatile in formulations. While not noticeable as standalone scents, they play a crucial role in ensuring fragrance longevity and stability.

Safety Profile

GENERALLY SAFE
Generally safeUse with awarenessProfessional use
✓ Safe in regulated products
⚠ Avoid direct skin contact in high concentrations
CAS
68526-85-2
Formula
Mixture
MW
Variable
Odor Family
Citrus · Floral
Layer 1 · Enthusiast

What Does Alcohols, C9-11-iso-, C10-rich Smell Like?

C9-11-iso-alcohols have a faint, clean, and slightly waxy odor. They are often described as neutral and unobtrusive, making them ideal for blending with other fragrance ingredients. Their subtle scent profile allows them to enhance other notes without overpowering them. Over time, they evaporate evenly, leaving no lingering aroma.

Layer 2

Chemistry, Properties & Perfumer Guide

The Chemistry

C9-11-iso-alcohols are synthetic branched-chain alcohols. They are produced through the hydroformylation of olefins followed by hydrogenation. These alcohols are valued for their controlled volatility and solubility properties. Their branched structure contributes to their stability and mild odor profile.

Physical & Chemical Properties

Boiling PointN/A
DensityN/A

Perfumer Guide

Note Position
Base
Volatility
Low
Blending
Excellent
ApplicationTypical %RangeNotes
Fine Fragrance5-10%Up to 15%Used as a solvent and carrier
Household Products10-20%Up to 25%Ensures even fragrance distribution

Classic Accords

Tip: Use as a solvent to enhance the solubility of other fragrance ingredients.

Alternatives & Comparisons

1
Isopropyl Alcohol CAS 67-63-0

A simpler alcohol with faster evaporation, suitable for quick-drying applications.

Layer 3

Safety, Regulatory & Sustainability

⚠ Regulatory Disclaimer

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

IFRA Status

No IFRA restrictions apply.

RIFM Assessment

RIFM has assessed these alcohols as safe for use in fragrances.

Sustainability

Synthetic production ensures consistent quality and reduces reliance on natural resources. The process is optimized for minimal environmental impact.

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References

  1. PubChem: Alcohols, C9-11-iso-, C10-rich PubChem

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

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Ingredient Data Sheet

CAS 68526-85-2

Odor & Flavor

“: 3-ACETATE The title material is the chief or” the major Powerful, oily-herbaceous, warm odor of component of a large number of specialties, moderate tenacity. It is very Other components in most of these products popular in soap perfumes where its stability are: and diffusive power increase the “odor value” Decane diol mono- and diacetates, of the soap fragrance.”📖 Arctander
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.

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