Isobutyl Alcohol
| Formula: | C₄H₁₀O |
| CAS Number: | 78-83-1 |
| EC Number (EINECS): | 201-148-0 |
| HS Code: | 29051490 |
| UN Number: | 1212 |
| IUPAC Name: | 2-Methylpropan-1-ol |
| Also Known As: | Isobutanol; 2-Methyl-1-propanol; IBA |
| Molecular Weight, g/mol: | 74.12 |
Typical Specifications
| Appearance: | Clear, colorless liquid |
| Odor: | Faint, alcohol-like odor |
| Melting Point, °C: | –108 |
| Boiling Point, °C: | 107.9 |
| Density, g/cm³ (at 20°C): | 0.802 |
| Flash Point, °C: | 28 (closed cup) |
| Refractive Index (20°C): | 1.395 |
| Vapor Pressure (at 20°C): | 10.5 mmHg |
| Purity, %: | ≥99.0 |
| Grades Available: | Industrial, Technical, Pharma Grade |
| Packaging: | 200kg drums, 1000kg IBC tanks, bulk ISO tanks |
Applications / Uses
Primary Applications
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Solvent in paints, coatings, varnishes, and resins
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Intermediate for isobutyl esters (used in plasticizers, flavors, fragrances)
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Used in the manufacture of isobutyl acetate
Secondary Applications
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Solvent in printing inks and adhesives
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Extraction agent in pharmaceuticals and fine chemicals
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Used as a feedstock in the production of isobutylamines
End Industries Served: Paints & Coatings, Adhesives, Inks, Pharmaceuticals, Chemicals, Fragrances, Plastics
Safety & Handling Information
Hazard Class (GHS): Flammable liquid (Category 3), Acute Toxicity (Category 4), Skin/Eye Irritant
Hazard Statements (H-Codes):
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H226: Flammable liquid and vapor
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H332: Harmful if inhaled
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H319: Causes serious eye irritation
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H335: May cause respiratory irritation
Precautionary Statements (P-Codes):
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P210: Keep away from heat, sparks, open flames
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P280: Wear protective gloves/eye protection
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P304 + P340: IF INHALED – remove person to fresh air
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P305 + P351 + P338: IF IN EYES – rinse cautiously with water, remove contact lenses if present
Storage Conditions
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Store in cool, well-ventilated place
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Keep container tightly sealed
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Protect from ignition sources
Transport Information
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ADR/RID: Class 3, UN1212, PG III
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IMDG: Class 3, UN1212, PG III
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IATA: Class 3, UN1212, PG III