1-Octadecanol (CAS 112-92-5) Technical Guide
Contents
1. Product Overview & Specifications
| Parameter | 1-Octadecanol | Comparable Alcohols |
|---|---|---|
| CAS Number | 112-92-5 | Cetyl Alcohol (36653-82-4) |
| Molecular Formula | C18H38O | C16H34O |
| Melting Point | 56-59°C | 49-53°C |
| Boiling Point | 210°C (15 mmHg) | 344°C |
| Flash Point | 185°C | >100°C |
Key Features: White crystalline solid with mild odor, insoluble in water but soluble in ethanol/ether. Low volatility and stable chemical structure.
2. Applications & Industrial Uses
Core Functions:
- Cosmetics: Acts as viscosity modifier in creams (0.5-5% concentration)
- Pharmaceuticals: Emulsion stabilizer in ointments
- Lubricants: Additive in industrial greases
- Surfactants: Raw material for nonionic detergents
Performance Metrics:
| Application | Optimal Concentration | Key Benefit |
|---|---|---|
| Hair Conditioners | 2-3% | Improved combability & shine |
| Metalworking Fluids | 1-1.5% | Enhanced lubricity at 150°C+ |
3. Performance Advantages
Thermal Stability
Maintains structural integrity up to 200°C with <0.5% decomposition
Low Irritancy
Passes OECD 439 skin irritation tests at 10% concentration
4. Industry Application Cases
Case 1: Personal Care Manufacturer (Guangzhou)
Challenge: Reduce formulation separation in SPF 50+ sunscreen
Solution: 1.8% 1-Octadecanol addition improved emulsion stability by 40%
Case 2: Industrial Lubricant Producer (Shanghai)
Challenge: Minimize tool wear in high-speed CNC machining
Result: 1.2% additive reduced wear rate by 32%
5. Technical Support & Inquiry
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