Turpentine gum (CAS 9005-90-7) — Green Top Note Fragrance Ingredient
Turpentine gum
CAS 9005-90-7
What Is Turpentine gum?
Turpentine gum is a natural resin harvested from pine trees, commonly encountered in traditional varnishes, paints, and some medicinal products. Its sharp, pine-like aroma makes it recognizable in industrial settings and some heritage fragrances. This ingredient matters as a historic raw material that connects modern perfumery to ancient practices. Though less common today, it remains important for creating authentic forest accords and as a precursor for refined fragrance materials.
Safety Profile
USE WITH AWARENESSWhat Does Turpentine gum Smell Like?
Turpentine gum bursts with an intensely sharp, green-pine character that’s almost medicinal in its crispness. The initial blast carries camphoraceous undertones and a slightly metallic edge, like crushed pine needles mixed with rubbing alcohol. As it settles, warmer balsamic notes emerge – imagine the sticky resin weeping from a freshly wounded pine tree. The dry-down reveals a dry, woody bitterness with faint vanilla-like sweetness, leaving a trail reminiscent of an old carpenter’s workshop where sawdust mingles with drying varnish.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Used historically to create the sharp pine facet in this foundational fougère, contributing to the aromatic freshness that balances lavender and coumarin.
Provides the raw, sappy pine character that defines this iconic masculine fragrance, evoking Mediterranean forests with its unrefined resinous quality.
Chemistry, Properties & Perfumer Guide
The Chemistry
Turpentine gum is primarily composed of α-pinene and β-pinene, monoterpenes characteristic of conifer resins. These bicyclic compounds are volatile hydrocarbons that oxidize readily when exposed to air. Traditional harvesting involves tapping living pine trees to collect the oleoresin, which is then steam distilled to separate the volatile turpentine fraction from rosin. The exact composition varies by tree species and geographic origin, with Mediterranean pines typically producing higher proportions of β-pinene compared to northern varieties.
Physical & Chemical Properties
| Appearance | Viscous yellow liquid |
|---|---|
| Solubility | Insoluble in water, soluble in alcohol |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 0.1-0.5% | Up to 1% | Used sparingly for pine top notes |
| Functional Fragrance | 1-3% | Up to 5% | Cleaning products seeking pine freshness |
Classic Accords
Tip: Fractionate or purify before use to reduce harshness and improve blending with delicate notes.
Alternatives & Comparisons
Purified single component offering cleaner pine character without gum’s harshness. Preferred for modern formulations requiring precision.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
Not specifically restricted but subject to general guidelines for terpene hydrocarbons. Recommended for professional use only.
EU Allergen Declaration
Contains limonene which requires allergen declaration above 0.1% in leave-on products.
GHS Classification
RIFM Assessment
RIFM recommends limited use due to sensitization potential and suggests alternatives where possible.
Sustainability
Sustainable harvesting requires responsible tree-tapping practices to prevent forest damage. Most modern perfumery uses synthetic pinenes or steam-distilled turpentine oil rather than raw gum to reduce environmental impact. Renewable when sourced from managed pine plantations, but collection is labor-intensive.
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