Products Description
What is Methyl acetoacetate?
Methyl acetoacetate is an organic compound, referred to as MAA, its CAS number is 105-45-3, chemical formula is C₅H₈O₃, molecular weight is 116.12, and appearance is a colorless liquid. It is miscible with ethanol and ether and slightly soluble in water. It has low toxicity to animals. It is biodegradable.


Basic Info
| CAS Number | 105-45-3 |
| EINECS Number | 203-299-8 |
| Chemical Formula | C₅H₈O₃ |
| Molecular Weight | 116.12 |
| Density | 1.076 g/mL at 25 °C (lit.) |
| Water Solubility | 460 g/L (20 ºC) |
| Vapor Pressure | 1 hPa (20 °C) |
| Vapor Density | 4 (vs air) |
| Solubility | 460g/L (20 °C) |
| Refractive Index | n₂₀/D 1.419(lit.) |
Uses
- Preparation of polymethyl methacrylate (PMMA): Methyl acetoacetate is an important monomer for synthesizing PMMA. PMMA has good optical properties, weather resistance and mechanical properties, and is widely used in architectural lighting, optical instruments, advertising signs, sanitary ware and other fields.
- Improving coating performance: As a modified monomer of coating, MAA can introduce polar groups such as carboxyl to improve the adhesion, water resistance and chemical corrosion resistance of coating to the substrate. At the same time, it can also improve the rheological properties of the coating, so that the coating has good leveling and coating properties during construction.
- Enhanced adhesive properties: MAA can react chemically with a variety of substrates to form chemical bonds, thereby improving the bonding strength of adhesives to different materials. Especially for some difficult-to-bond materials, such as polyolefins, metals, etc.
- Medical materials: MAA and its polymers have good biocompatibility and can be used to prepare medical materials, such as contact lenses, dental materials, etc. In contact lenses, MAA can adjust the hydrophilicity and air permeability of the material, and improve the comfort and safety of wearing.
- Textile industry: Used in the synthesis of textile auxiliaries, such as anti-wrinkle finishing agents, softeners, etc. It can improve the feel, anti-wrinkle properties and dyeing properties of fabrics, and improve the quality and added value of textiles.
Storage
Store in a cool, ventilated warehouse. Keep away from fire and heat sources, and the warehouse temperature should not exceed 37℃.
Keep the container sealed and store it separately from oxidants and alkalis. Avoid mixed storage.
Use explosion-proof lighting and ventilation facilities, and prohibit the use of mechanical equipment and tools that are prone to sparks.

Company Profile
Gneebio is an enterprise specialising in the research, development, production and sales of phytochemicals and fine chemicals.Our factory was established in 2016 and is located in Henan Province, covering an area of 3,600 square metres. We have a professional, well-equipped and high-quality R&D team with more than 10 years of R&D experience. Our reagent products are widely exported to many countries including the United States, Russia, Canada, Australia, Europe, etc., and we provide fast shipping services to our customers. We hope to establish long-term and mutually beneficial cooperation with more friends in the future and provide the best products and services for our customers.
Our popular products include Organic Chemicals: CAS: 3327-22-8 CTA, CAS 27126-76-7 Phenyliodosohydroxy Tosylate, catalyst: CAS 110-02-1 Thiophene, among others.




FAQ
Can your company accept customisation and meet customers' special specifications?
Yes, we can.
What are your payment terms?
Wire transfer, paypal, western union, money order and bitcoin.
What is your delivery time?
We usually ship within 1-3 days after receiving your payment.
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