Quaternary ammonium compounds, benzyl-C12-18-alkyldimethyl, chlorides (CAS 68391-01-05) — Green N/A Note Fragrance Ingredient
Quaternary ammonium compounds, benzyl-C12-18-alkyldimethyl, chlorides
CAS 68391-01-05
What Is Quaternary ammonium compounds, benzyl-C12-18-alkyldimethyl, chlorides?
Quaternary ammonium compounds (benzyl-C12-18-alkyldimethyl, chlorides) are synthetic surfactants commonly encountered in disinfectants, fabric softeners, and industrial cleaners. Their antimicrobial properties make them effective in household and healthcare products. These compounds matter because they provide critical sanitization benefits but require careful handling due to potential skin and respiratory irritation.
Safety Profile
USE WITH AWARENESSWhat Does Quaternary ammonium compounds, benzyl-C12-18-alkyldimethyl, chlorides Smell Like?
Quaternary ammonium compounds typically have a faint, chemical odor reminiscent of clean, sterile environments. The scent is often described as slightly soapy or medicinal, with no notable top, heart, or base evolution due to their static molecular structure. The odor profile is utilitarian rather than pleasant, serving functional purposes in sanitation rather than fragrance.
Chemistry, Properties & Perfumer Guide
The Chemistry
Quaternary ammonium compounds are cationic surfactants characterized by a central nitrogen atom bonded to four alkyl or aryl groups. They are synthesized through the alkylation of tertiary amines with alkyl halides or benzyl chloride. These compounds are widely used for their antimicrobial and antistatic properties, but their chemical structure limits their use in perfumery due to potential irritation and lack of desirable olfactory characteristics.
Physical & Chemical Properties
| Appearance | Colorless to pale yellow liquid |
|---|---|
| Solubility | Soluble in water and polar solvents |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Disinfectants | 0.1-5% | Up to 10% | Primary active ingredient |
| Fabric Softeners | 2-8% | Up to 15% | Provides antistatic properties |
Classic Accords
Tip: Not recommended for use in perfumery due to potential irritation and lack of desirable olfactory properties.
Alternatives & Comparisons
A milder quaternary ammonium compound used in some personal care products for its antimicrobial properties.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
Not restricted by IFRA, but use is limited due to potential irritation.
GHS Classification
RIFM Assessment
No RIFM safety assessment available due to limited use in fragrances.
Sustainability
Quaternary ammonium compounds are synthetic and derived from petrochemical sources. Their environmental impact includes potential toxicity to aquatic life and persistence in water systems. Alternatives with lower environmental impact are being explored in industrial applications.
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References
- PubChem Compound Summary for Quaternary ammonium compounds, benzyl-C12-18-alkyldimethyl, chlorides PubChem
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
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