Allyl Methacrylate (AMA), CAS No. 96-05-9 Allyl Methacrylate (AMA) is a methacrylate monomer with the molecular formula：C7H10O2
It features both allylic and methacrylic functional groups, making it a multifunctional monomer for polymer synthesis.
1. Product Specifications
- Purity: ≥99.5% (GC)
- Acid Branch (as MMA): ≤0.02%
- Moisture: ≤0.05%
- Color: ≤50 (Pt-Co)
2. Physical Properties
- Appearance: Colorless transparent liquid
- Odor: Distinctive smell
- Density: Specific gravity of 0.930～0.940 at 20/4℃
- Melting Point: -60°C or lower
- Boiling Point: 144°C at 760mmHg
- Flash Point: 37.8°C (Tagliabue Closed Cup)
- Solubility: Nearly insoluble in water
- Refractive Index: n20/D 1.437 (lit.)
- Viscosity: 4.4mPa•s (20℃)
3. Chemical Properties
- Stability: Polymerizes under sunlight and heat
- Reactivity: Capable of addition reactions with various organic and inorganic compounds
- Acidity/Basicity: Not specifically reported, but as a methacrylate, it may exhibit slight acidity due to the carboxylic group.
- Oxidation/Reduction: Not typically involved in redox reactions but sensitive to oxidative polymerization.
4. Synthesis Methods Allyl Methacrylate can be synthesized through various methods, including the catalytic oxidation of isobutylene followed by esterification with the appropriate alcohol, or by reacting acetone with hydrocyanic acid and subsequent esterification in sulfuric acid with the appropriate alcohol.
5. Applications and Functions AMA is widely used in:
- Coating compounds
- AS resin modifiers
- Silane coupling agents
- Oil additives as flow improvers
- Floor waxes, textile and metal coatings
- Paints, varnishes
- Pressure-sensitive adhesives
- Low-temperature caulks and sealants
6. Safety Storage Precautions AMA should be stored:
- With a shelf life of 6 months at 25℃.
- In a cool, well-ventilated place
- Away from heat and sources of ignition
- In tightly closed containers
- In an area accessible only to qualified or authorized persons
- Protected from light to prevent polymerization
