Isobutanol (Industrial Grade)
CAS Number: 78-83-1
Industrial-grade isobutanol (iBuOH, ≥99.5%) is a branched-chain primary alcohol used as a solvent and diluent in resin, paint, and varnish formulations. Its slightly lower evaporation rate compared to n-butanol improves open time in coatings, and it is an important intermediate for isobutyl acetate and diisobutyl phthalate production.
Technical Specifications
| appearance | Colorless clear liquid |
| purity (%) | ≥99.5 |
| water content (%) | ≤0.10 |
| boiling point (°C) | 108.0 |
| density (g/mL, 20°C) | 0.801–0.803 |
Applications
- Solvent and diluent in alkyd, acrylic, and vinyl resin coatings
- Raw material for isobutyl acetate production
- Intermediate for diisobutyl phthalate plasticizer
- Gasoline blending component (ETBE precursor)
- Ink and varnish formulation solvent
Key Features
- High purity ≥99.5% with consistent quality for sensitive resin applications
- Branched structure provides good solvency with slower evaporation for better leveling
- Low odor profile compared to n-butanol, improving workplace comfort
- Reliable supply from integrated Chinese chemical production facilities
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CAS Number
78-83-1
Category
Industrial Solvents / ChemicalsAvailability
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