CAS 67-64-2: Methyl Isobutyl Ketone (MIBK) (C6H12O)
Identity
| CAS Number | 67-64-2 |
| Molecular Formula | C6H12O |
| IUPAC Name | 4-methylpentan-2-one |
| Molecular Weight | 100.16 g/mol |
| SMILES | CC(=O)CC(C)C |
| Synonyms | MIBK, 4-methylpentan-2-one, isopropylacetone, hexone |
2D Structure
Physical Properties
| Density | 0.802 g/mL at 25°C |
| Boiling Point | 116.5°C |
| Melting Point | -84.7°C |
| Flash Point | 23.0°C |
| Vapor Pressure | 2.0 kPa at 20°C |
| Refractive Index | nD = 1.396 |
| Dielectric Constant | ε = 13.1 |
Safety & GHS Classification
FlammableIrritant
- H225: Highly flammable liquid and vapor
- H319: Causes serious eye irritation
- H335: May cause respiratory irritation
- H336: May cause drowsiness or dizziness
Storage: Store in cool, well-ventilated area away from ignition sources. Keep container tightly sealed. Use explosion-proof equipment.
Material Compatibility Matrix
Plastics
| Material | Rating |
|---|
| PTFE | Excellent |
| PVC | Poor |
| PE | Good |
| PP | Good |
| PEEK | Excellent |
| PVDF | Good |
Rubbers
| Material | Rating |
|---|
| Viton | Poor |
| NBR | Severe Effect |
| EPDM | Good |
| Silicone | Poor |
| FKM | Poor |
Metals
| Material | Rating |
|---|
| Stainless 316 | Excellent |
| Aluminum | Excellent |
| Copper | Excellent |
| Brass | Excellent |
Applications
- Solvent for paints and coatings
- Mineral extraction (solvent for rare earth metals)
- Pharmaceutical extraction
- Rubber chemical solvent
- Gum and resin solvent
- Insecticide formulation
- Surface coating manufacturing
External References: PubChem
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