Methyl isobutyrylacetate
Chemical Intermediates 2025-03-02
CAS No.: 42558-54-3 | Molecular Weight: 144.17 g/mol
1. Chemical Identification
| Property |
Specification |
| IUPAC Name |
Methyl 4-methyl-3-oxopentanoate |
| Common Name |
Methyl 4-methyl-3-oxovalerate (IBEM) |
| Synonyms |
Methyl isobutyrylacetate; IBEM |
| Molecular Formula |
C₇H₁₂O₃ |
| CAS No. |
42558-54-3 |
| Density (20°C) |
1.013 g/cm³ |
2. Physical & Chemical Properties
| Parameter |
Value |
| Appearance |
Colorless to pale yellow liquid |
| Purity (GC) |
≥99% |
| Boiling Point |
185-187°C |
| Refractive Index |
1.415-1.417 (20°C) |
| Flash Point |
78°C (closed cup) |
| Solubility |
Miscible with organic solvents; slightly soluble in water |
3. Production & Supply
| Parameter |
Detail |
| Annual Capacity |
200 metric tons |
| MOQ |
100g |
| Packaging |
100g (glass bottle), 1kg (HDPE drum), 25kg (steel drum) |
| Storage |
Keep container tightly closed in cool, dry place |
4. Quality Standards
| Test |
Specification |
| Purity (GC) |
≥99.0% |
| Water Content |
≤0.1% (Karl Fischer) |
| Acid Value |
≤0.5 mg KOH/g |
| Color (APHA) |
≤30 |
5. Applications
- Organic Intermediate:
- Key precursor for pharmaceuticals and agrochemicals
- Building block for fragrances and flavors
- Pharmaceuticals:
- Intermediate for antibiotic synthesis
- Chemical Research:
- Versatile reagent for organic transformations
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