Isobutyl Isobutyrate (IBIB)
| Formula: | C₈H₁₆O₂ |
| CAS Number: | 97-85-8 |
| EC Number (EINECS): | 203-745-9 |
| HS Code: | 29153990 |
| UN Number: | 3272 |
| IUPAC Name: | 2-Methylpropyl 2-methylpropanoate |
| Also Known As: | Isobutyl Ester of Isobutyric Acid; 2-Methylpropyl 2-methylpropanoate |
| Molecular Weight, g/mol: | 144.21 |
Typical Specifications
| Appearance: | Clear, colorless liquid |
| Odor: | Fruity, pleasant, ester-like |
| Melting Point, °C: | –70 |
| Boiling Point, °C: | 154–156 |
| Density, g/cm³ (at 20°C): | 0.868–0.872 |
| Flash Point, °C: | 46 (closed cup) |
| Refractive Index (20°C): | 1.390–1.394 |
| Purity, %: | ≥99 |
| Packaging: | 200kg drums, 1000kg IBCs, bulk ISO tanks |
Applications / Uses
Primary Applications
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Widely used as a flavor and fragrance ingredient in food, beverages, and perfumes
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Used as a solvent and additive in coatings and resins
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Plasticizer intermediate in specialty polymers
Secondary Applications
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Used in adhesives and inks
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Intermediate in fine chemicals
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Contributes fruity and floral notes in flavor formulations
End Industries Served: Food & Beverages, Flavors & Fragrances, Coatings, Adhesives, Plastics, Specialty Chemicals
Safety & Handling Information
Hazard Class (GHS): Flammable liquid (Category 3), Eye Irritant (Category 2)
Hazard Statements (H-Codes):
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H226: Flammable liquid and vapor
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H319: Causes serious eye irritation
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H336: May cause drowsiness or dizziness
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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P305 + P351 + P338: IF IN EYES – rinse cautiously with water for several minutes
Storage Conditions
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Store in cool, dry, well-ventilated area
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Keep container tightly closed
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Protect from direct sunlight and ignition sources
Transport Information
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ADR/RID: Class 3, UN3272, PG III
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IMDG: Class 3, UN3272, PG III
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IATA: Class 3, UN3272, PG III