CAS 111-87-5: 1-Octanol (C8H18O)
Identity
| CAS Number | 111-87-5 |
| Molecular Formula | C8H18O |
| IUPAC Name | octan-1-ol |
| Molecular Weight | 130.23 g/mol |
| SMILES | CCCCCCCCO |
| Synonyms | octyl alcohol, n-octanol, capryl alcohol, octan-1-ol |
2D Structure
Physical Properties
| Density | 0.824 g/mL at 25°C |
| Boiling Point | 195.0°C |
| Melting Point | -16.0°C |
| Flash Point | 81.0°C |
| Vapor Pressure | 0.02 kPa at 20°C |
| Refractive Index | nD = 1.43 |
| Dielectric Constant | ε = 10.3 |
Safety & GHS Classification
Irritant
- H302: Harmful if swallowed
- H315: Causes skin irritation
- H319: Causes serious eye irritation
Storage: Store in tightly sealed containers. Low volatility. Low toxicity but irritant. Keep away from strong oxidizers.
Material Compatibility Matrix
Plastics
| Material | Rating |
|---|---|
| PTFE | Excellent |
| PVC | Good |
| PE | Good |
| PP | Good |
| PEEK | Excellent |
| PVDF | Good |
Rubbers
| Material | Rating |
|---|---|
| Viton | Good |
| NBR | Poor |
| EPDM | Good |
| Silicone | Good |
| FKM | Good |
Metals
| Material | Rating |
|---|---|
| Stainless 316 | Excellent |
| Aluminum | Good |
| Copper | Good |
| Brass | Good |
Applications
- Fragrance intermediate (octyl acetate)
- Plasticizer production
- Surfactant manufacturing (ethoxylates)
- Hydraulic fluid component
- Defoamer in paper manufacturing
- Pharmaceutical solvent (capsule coating)
- Partition coefficient determination (log P standard)
External References: PubChem