CAS 78-83-1 Isobutyl Alcohol / Isobutanol is a clear, colorless liquid with a characteristic odor. It's an isomer of butanol, distinguishing itself with its branched-chain structure. This structure contributes to its unique solvent power, vapor pressure, and miscibility characteristics, making it a preferred choice in many industrial formulations.
| CAS No.: | 78-83-1 |
|---|---|
| EC No.: | 201-148-0 |
| Linear Formula: | C₄H₁₀O |
| Molecular Weight: | 74.12 |
| Appearance: | Transparent Liquid |
| Melting Point: | -108 °C |
| Boiling point | 108 °C (lit.) 108 °C |
| Density: | 0.803 g/mL at 25 °C (lit.) |
| RIDADR: | UN 1212 3/PG 3 |
| Chemical Structure: |  |
Applications
Paints, Coatings, and Varnishes:
Solvent: Improves flow, leveling, and gloss; slower evaporation rate aids smooth application.
Thinner: Isobutyl Alcohol is used to thin coatings, adjust viscosity, and improve adhesion.
Chemical Manufacturing:
Chemical Intermediate: Key for producing esters (e.g., isobutyl acetate), used in solvents, plasticizers, and flavors.
Plasticizers: Isobutanol is used in producing additives that improve the flexibility and durability of plastics.
Pharmaceuticals:
Solvent and Intermediate: Used in the synthesis of drugs, chemical intermediates, excipients, antibiotics, vitamins, and other APIs.
Biofuels:
Fuel Additive: Researched as a biofuel; blended with gasoline to enhance octane, reduce emissions, and provide a cleaner-burning, lower volatility fuel.
Renewable Biofuel: Isobutyl Alcohol Liquid is a promising alternative due to lower hygroscopicity and better energy content than ethanol, offering better compatibility with existing fuel infrastructure.
Adhesives and Sealants:
Solvent: Improves application and adhesion properties; helps modify viscosity and drying time.
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