Poly(oxy-1,2-ethanediyl),alpha-[(1,1,3,3-tetramethylbutyl)phenyl]-omega-hydroxy- (CAS 9036-19-5) — Citrus Non-volatile Note Fragrance Ingredient
Poly(oxy-1,2-ethanediyl),alpha-[(1,1,3,3-tetramethylbutyl)phenyl]-omega-hydroxy-
CAS 9036-19-5
What Is Poly(oxy-1,2-ethanediyl),alpha-[(1,1,3,3-tetramethylbutyl)phenyl]-omega-hydroxy-?
This synthetic polymer is commonly used as a surfactant and stabilizing agent in cosmetic and personal care products. You’ll find it in shampoos, conditioners, and liquid soaps where it helps blend ingredients and create foam. While not a fragrance ingredient itself, it plays a crucial role in maintaining scent stability and product performance in many fragranced formulations.
Safety Profile
GENERALLY SAFEWhat Does Poly(oxy-1,2-ethanediyl),alpha-[(1,1,3,3-tetramethylbutyl)phenyl]-omega-hydroxy- Smell Like?
This material is odorless and does not contribute directly to fragrance profiles. As a non-volatile polymer, it functions as a solubilizer and stabilizer rather than a scent component. Its primary role is to maintain the integrity of fragrance compositions in formulations, particularly in aqueous systems where it helps prevent separation and enhances product performance.
Chemistry, Properties & Perfumer Guide
The Chemistry
This polyethylene glycol ether is a nonionic surfactant synthesized through the ethoxylation of octylphenol. The hydrophilic polyoxyethylene chain and hydrophobic alkylphenol moiety create an amphiphilic structure that lowers surface tension. The degree of ethoxylation determines its solubility properties. As a synthetic polymer, it does not occur naturally and is produced through controlled chemical processes in industrial settings.
Physical & Chemical Properties
| Appearance | Colorless to pale yellow liquid |
|---|---|
| Solubility | Soluble in water and most organic solvents |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Shampoos | 1-3% | 0.5-5% | Foam stabilizer |
| Conditioners | 0.5-2% | 0.1-3% | Emulsifier |
| Liquid Soaps | 2-4% | 1-6% | Surfactant |
Classic Accords
Tip: Use as a solubilizer for fragrance oils in clear aqueous systems.
Alternatives & Comparisons
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
Not restricted by IFRA – functions as formulation aid rather than fragrance material.
RIFM Assessment
Not evaluated by RIFM as it is not a fragrance material.
Sustainability
As a synthetic material, this polymer is petroleum-derived. Manufacturers are increasingly adopting green chemistry principles to reduce environmental impact during production. It is biodegradable to some degree depending on the degree of ethoxylation, but long-chain variants may persist in aquatic environments. Proper wastewater treatment is recommended for industrial discharges.
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