Table of Contents
- Product Overview
- Specifications & Comparative Analysis
- Applications & Use Cases
- Industry Case Studies
- Contact for Technical Consultation
Hexadecyldimethylamine N-oxide (CAS 7128-91-8) Overview
Key Characteristics
Hexadecyldimethylamine N-oxide (C18H39NO), a cationic surfactant, demonstrates exceptional compatibility with anionic/cationic systems. Key attributes include:
| Parameter | Value |
|---|---|
| CAS Number | 7128-91-8 |
| Molecular Weight | 285.51 g/mol |
| Appearance | Colorless to pale yellow viscous liquid |
| Active Content | 30% ± 2% in aqueous solution |
| pH (1% solution) | 6.0 – 8.0 |
| Critical Micelle Concentration | 0.1 – 0.5 mM |
Technical Specifications vs Competing Surfactants
| Parameter | Hexadecyldimethylamine N-oxide | Cetrimonium Chloride | Lauryl Dimethyl Amine Oxide |
|---|---|---|---|
| Ionic Type | Cationic | Cationic | Amphoteric |
| Foaming Capacity | High (pH 4-9) | Moderate | High (pH 6-8) |
| Biodegradability | >90% (OECD 301F) | 75-80% | 85-88% |
| Skin Irritation Potential | Low (OECD 439 EPI 0.8) | High | Moderate |
| Compatibility | Wide pH range (3-11) | pH 4-8 | pH 5-9 |
Industrial Applications & Formulation Guidance
Personal Care Formulations
Optimal dosage ranges:
- Shampoos: 2-5% (enhances foam stability & reduces eye irritation)
- Conditioners: 1-3% (improves cationic deposition efficiency)
- Disinfectants: 3-7% (synergizes with quaternary ammonium compounds)
Industrial Cleaning Systems
Technical performance data:
| Application | Concentration | Surface Tension Reduction | Detergency Improvement |
|---|---|---|---|
| Alkaline Cleaners | 0.5-2% | 28-32 mN/m | 40-45% vs baseline |
| Acid Cleaners | 1-3% | 30-34 mN/m | 35-38% vs baseline |
Documented Implementation Cases
Case 1: ABC Cosmetics (2024 Reformulation Project)
Challenge: Reduce eye irritation in baby shampoo while maintaining foam volume
Solution: Replaced sodium laureth sulfate with 4.2% Hexadecyldimethylamine N-oxide
Results:
| Parameter | Before | After |
|---|---|---|
| Foam Volume (mL) | 180 | 210 |
| Irritation Score | 3.2 | 1.1 |
| Cost Efficiency | 100% | 92% |
Case 2: CleanHome Solutions (2025 Laundry Detergent Development)
Technical Achievement: Enabled cold-water cleaning at 15°C with 2.8% additive concentration
Performance Metrics:
- 35% reduction in energy consumption
- Stain removal efficiency: 94% (vs 78% in previous formula)
Technical Partnership Opportunities
Customized Solutions Development
Our engineering team specializes in:
- Surfactant synergy optimization
- Regulatory compliance formulation (REACH, EPA, ISO 22716)
- Cost-performance ratio analysis
Contact Our Application Specialists
Email: info@vivalr.com
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