CAS 78-83-1: Isobutanol (C4H10O)
Identity
| CAS Number | 78-83-1 |
| Molecular Formula | C4H10O |
| IUPAC Name | 2-methylpropan-1-ol |
| Molecular Weight | 74.12 g/mol |
| SMILES | CC(C)CO |
| Synonyms | isobutyl alcohol, 2-methyl-1-propanol, isopropylcarbinol, IBA |
2D Structure
Physical Properties
| Density | 0.802 g/mL at 25°C |
| Boiling Point | 108.0°C |
| Melting Point | -108.0°C |
| Flash Point | 28.0°C |
| Vapor Pressure | 1.2 kPa at 20°C |
| Refractive Index | nD = 1.396 |
| Dielectric Constant | ε = 17.9 |
Safety & GHS Classification
FlammableIrritant
- H226: Flammable liquid and vapor
- H315: Causes skin irritation
- H319: Causes serious eye irritation
- H335: May cause respiratory irritation
- H336: May cause drowsiness or dizziness
Storage: Store in cool, well-ventilated area. Keep away from ignition sources and strong oxidizers. Ground/bond containers during transfer.
Material Compatibility Matrix
Plastics
| Material | Rating |
|---|
| PTFE | Excellent |
| PVC | Fair |
| PE | Good |
| PP | Good |
| PEEK | Excellent |
| PVDF | Good |
Rubbers
| Material | Rating |
|---|
| Viton | Good |
| NBR | Good |
| EPDM | Excellent |
| Silicone | Good |
| FKM | Good |
Metals
| Material | Rating |
|---|
| Stainless 316 | Excellent |
| Aluminum | Excellent |
| Copper | Excellent |
| Brass | Excellent |
Applications
- Solvent for paints, coatings, and adhesives
- Chemical intermediate for isobutyl esters
- Gasoline additive
- Flavor and fragrance ingredient
- Paint stripper component
- Hydraulic fluid additive
External References: PubChem
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