Methyl 3,3-dimethylpent-4-enoate
Agrochemicals 2025-03-02
Methyl 3,3-dimethylpent-4-enoate (CAS No. 63721-05-1)
1. Basic Information
- IUPAC Name: Methyl 3,3-dimethylpent-4-enoate
- Synonyms:
- Methyl 4-pentenoate, 3,3-dimethyl-
- 3,3-Dimethyl-4-pentenoic acid methyl ester
- CAS Number: 63721-05-1
- Molecular Formula: C₈H₁₄O₂
- Molecular Weight: 142.20 g/mol
- Appearance: Colorless to pale yellow liquid
- Odor: Fruity, ester-like odor
2. Physical and Chemical Properties
| Property | Value |
|---|---|
| Boiling Point | 165–168°C (329–334°F) |
| Density | 0.91–0.93 g/cm³ (20°C) |
| Refractive Index | 1.425–1.428 (20°C) |
| Flash Point | 50–55°C (122–131°F) |
| Solubility | – Water: Slightly soluble |
| – Organic solvents: Miscible with ethanol, ether, acetone |
3. Hazards (GHS Classification)
- Flammability: Flammable liquid (H226)
- Health Hazards:
- Causes skin irritation (H315)
- Causes serious eye irritation (H319)
- Environmental: Not classified
- NFPA Rating: Health 1, Flammability 2, Reactivity 0
4. Storage and Handling
- Storage:
- Keep in tightly sealed containers away from heat/open flames
- Store in a cool, well-ventilated area
- Handling:
- Use chemical-resistant gloves (nitrile) and safety goggles
- Ground containers during transfer
5. Applications
- Fragrance Industry:
- Intermediate for fruity/floral scent compounds
- Organic Synthesis:
- Michael acceptor in conjugate additions
- Precursor for terpene-like structures
- Polymer Chemistry:
- Monomer for specialty acrylate polymers
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