Acetic acid, anhydride, reaction products with 2-methylbutene dimer, hydrogenated (CAS 862107-86-6) — Woody Base Note Fragrance Ingredient

ByThe Good Scents
Woody · Musky

Acetic acid, anhydride, reaction products with 2-methylbutene dimer, hydrogenated

CAS 862107-86-6

Origin
synthetic
Note
Base
IFRA
Professional use
Data as of: Apr 2026

What Is Acetic acid, anhydride, reaction products with 2-methylbutene dimer, hydrogenated?

This synthetic ingredient is a specialized chemical used in fragrance manufacturing. Consumers may encounter it as a subtle background note in certain woody or musky perfumes. While not a standalone scent, it contributes to fragrance complexity and longevity.

Safety Profile

PROFESSIONAL USE
Generally safeUse with awarenessProfessional use
⚠ Requires professional handling
⚠ Not for direct consumer use
CAS
862107-86-6
Formula
Mixture
MW
Variable
Odor Family
Woody · Musky
Layer 1 · Enthusiast

What Does Acetic acid, anhydride, reaction products with 2-methylbutene dimer, hydrogenated Smell Like?

This synthetic compound lacks a distinctive standalone odor profile. It functions primarily as a chemical modifier and fixative in fragrance compositions, subtly enhancing woody and musky notes while improving overall longevity. Its odor impact is minimal but contributes to dry-down stability.

Scent Profile
Layer 2

Chemistry, Properties & Perfumer Guide

The Chemistry

This synthetic compound is produced through the reaction of acetic anhydride with hydrogenated 2-methylbutene dimer. The resulting product serves primarily as a fragrance fixative rather than an odor-active component. Its chemical structure contributes to its ability to modify and stabilize fragrance compositions.

Physical & Chemical Properties

Perfumer Guide

Note Position
Base
Volatility
Very low
Blending
Specialized
ApplicationTypical %RangeNotes
Fine Fragrance0.1-0.5%Up to 1%Used as fixative
Functional Fragrance0.05-0.2%Up to 0.5%Stabilizing agent

Classic Accords

Tip: Use sparingly as a fixative in woody-musky compositions.

Alternatives & Comparisons

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

No RIFM assessment found for this specific compound.

Sustainability

As a synthetic compound, this ingredient is produced through controlled chemical processes. Its environmental impact depends on manufacturing practices and waste management. Being used in minimal quantities reduces its overall ecological footprint.

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References

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

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    Ingredient Data Sheet

    CAS 862107-86-6
    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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