Alkanes, C15-19-branched and linear (CAS 1437281-01-0) — Citrus Base Note Fragrance Ingredient
Alkanes, C15-19-branched and linear
CAS 1437281-01-0
What Is Alkanes, C15-19-branched and linear?
Alkanes C15-19 are synthetic hydrocarbon chains used as base ingredients in many consumer products. You’ll encounter them in candles, wax melts, and some fragrance bases. These odorless compounds provide structural support and slow-release properties in scented formulations.
Safety Profile
GENERALLY SAFEWhat Does Alkanes, C15-19-branched and linear Smell Like?
These alkanes are essentially odorless, serving primarily as carriers and fixatives rather than aromatic contributors. Their lack of scent makes them valuable for extending fragrance longevity without altering scent profiles. In formulations, they provide a neutral backbone that allows other aromatic compounds to shine.
Chemistry, Properties & Perfumer Guide
The Chemistry
C15-19 alkanes are synthetic hydrocarbon mixtures with both branched and linear chains. Produced through petroleum refining and Fischer-Tropsch synthesis, these saturated hydrocarbons are chemically inert. Their molecular weight range (C15-C19) makes them ideal for controlled release applications. Being fully saturated, they resist oxidation and maintain stability in formulations.
Physical & Chemical Properties
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Candles | 20-40% | Up to 60% | Primary wax component |
| Fragrance Bases | 5-15% | 1-25% | Fixative and carrier |
Classic Accords
Tip: Use as a neutral base to extend longevity without adding competing scent notes.
Alternatives & Comparisons
Similar hydrocarbon mixture with broader chain length distribution, commonly used in candle making and cosmetics.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
No IFRA restrictions apply to these materials.
RIFM Assessment
Not currently assessed by RIFM due to low aromatic impact.
Sustainability
As petroleum-derived materials, these alkanes raise sustainability concerns. Some manufacturers are developing bio-based alternatives through advanced fermentation processes. Their synthetic origin means no agricultural land use, but fossil fuel dependence remains an environmental consideration.
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