| product_name | α-Methacrylic Acid |
| CAS_number | 79-41-4 |
| formula | C4H6O2 |
| molar_mass | 86.09 g/mol |
| density | 1.015 g/cm³ |
| melting_point | 15 °C |
| boiling_point | 161 °C |
| flash_point | 68 °C |
| refractive_index | 1.431 |
| vapor_pressure | 0.598 mmHg at 25 °C |
| solubility | Miscible with water |
| appearance | Clear, colorless liquid |
| odor | Acrid |
What is α-methacrylic acid?
α-methacrylic acid is a colorless liquid with a pungent odor that belongs to the family of acrylic acids. It is a versatile chemical compound that is commonly used in the production of various polymers and resins.
What are the main applications of α-methacrylic acid?
α-methacrylic acid is widely used in the manufacture of coatings, adhesives, sealants, and textiles. It is also utilized in the production of dental materials, ion exchange resins, and surface-active agents. Additionally, α-methacrylic acid finds applications in the pharmaceutical and agricultural industries.
How is α-methacrylic acid produced?
α-methacrylic acid is typically synthesized through the direct esterification of acrylic acid with methanol or by the hydrolysis of its esters. The process involves the use of catalysts and specific reaction conditions to ensure high yields and purity of the final product.
What are the key properties of α-methacrylic acid?
α-methacrylic acid exhibits excellent chemical stability, high reactivity, and good solubility in water and organic solvents. It is a strong acid with a low pKa value, making it suitable for a wide range of applications. The compound also has good thermal stability and can withstand high temperatures without decomposing.
What are the safety considerations when handling α-methacrylic acid?
It is essential to follow strict safety precautions when handling α-methacrylic acid, as it is a corrosive substance that can cause skin and eye irritation. Proper personal protective equipment, including gloves, goggles, and a lab coat, should be worn at all times. Additionally, the compound should be stored in a well-ventilated area away from heat sources and incompatible materials.
What are the environmental implications of using α-methacrylic acid?
α-methacrylic acid is biodegradable under aerobic conditions and does not pose a significant risk to the environment if handled and disposed of properly. However, care should be taken to prevent spills and leaks that could contaminate water sources or soil. Recycling and proper waste management practices should be implemented to minimize environmental impact.
How can α-methacrylic acid be stored?
α-methacrylic acid should be stored in airtight containers away from direct sunlight and sources of ignition. The storage area should be well-ventilated and equipped with spill containment measures to prevent accidental releases. It is recommended to keep the compound in a cool, dry place at room temperature to maintain its stability and quality.
What are the quality standards for α-methacrylic acid?
α-methacrylic acid produced for commercial use should meet specific quality standards set by regulatory bodies and industry associations. These standards typically include criteria for purity, composition, and physical properties to ensure the product's performance and safety in various applications. Regular testing and analysis are conducted to verify compliance with these standards.
How can I purchase α-methacrylic acid?
α-methacrylic acid is available for purchase from chemical suppliers, distributors, and manufacturers. It is important to source the compound from reputable suppliers who adhere to strict quality control measures and regulatory requirements. Before making a purchase, consider factors such as pricing, packaging options, and delivery options to meet your specific needs and requirements.