Siloxanes and silicones, di-Me (CAS 63148-62-9) — Woody Base Note Fragrance Ingredient
Siloxanes and silicones, di-Me
CAS 63148-62-9
What Is Siloxanes and silicones, di-Me?
Siloxanes and silicones, di-Me are synthetic compounds commonly used in personal care products and fragrances. They create a smooth, silky feel and help fragrances last longer on the skin. These ingredients matter because they enhance the texture and longevity of perfumes, making them a popular choice in modern fragrance formulations.
Safety Profile
USE WITH AWARENESSWhat Does Siloxanes and silicones, di-Me Smell Like?
Siloxanes and silicones, di-Me are often odorless or have a very faint, clean, and slightly metallic scent. They primarily function as carriers and fixatives, helping to stabilize and prolong the life of other fragrance ingredients. Their dry-down is smooth and imperceptible, leaving behind a subtle, silky finish that enhances the overall fragrance experience.
Chemistry, Properties & Perfumer Guide
The Chemistry
Siloxanes and silicones, di-Me belong to the class of organosilicon compounds, characterized by alternating silicon and oxygen atoms with methyl groups attached. These compounds are entirely synthetic and are produced through the hydrolysis of chlorosilanes. Their unique structure provides excellent thermal stability and low surface tension, making them ideal for use in fragrances and personal care products.
Physical & Chemical Properties
| Boiling Point | N/A |
|---|---|
| Density | N/A |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 1-5% | Up to 10% | Used as a fixative and carrier |
| Personal Care | 2-8% | Up to 15% | Enhances texture and longevity |
Classic Accords
Tip: Use as a fixative to extend the longevity of volatile top notes.
Alternatives & Comparisons
A lighter silicone alternative with similar properties, often used in sprays and aerosols.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
No specific IFRA restrictions. Generally recognized as safe for use in fragrances.
RIFM Assessment
RIFM has assessed siloxanes and silicones, di-Me as safe for use in current practices.
Sustainability
Siloxanes and silicones, di-Me are synthetic and not derived from natural sources. Their production involves energy-intensive processes, and some variants have raised environmental concerns due to persistence in the environment. However, newer, more biodegradable alternatives are being developed to address these issues.
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References
- PubChem. Siloxanes and silicones, di-Me. PubChem
- Environmental Protection Agency. Siloxanes in the Environment. EPA
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
Report a data errorIngredient Data Sheet
CAS 63148-62-9Physical 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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