What is Methacrylic Acid (MAA)?
Methacrylic acid is an important chemical with the molecular formula C₄H₆O₂. It appears as a colorless, transparent liquid with a strong, pungent odor. Possessing multiple functional groups such as carboxyl groups and double bonds, methacrylic acid exhibits complex properties and reactivity in chemical reactions. It finds extensive applications in polymers, coatings, pharmaceuticals, food, and other fields.
Physical and Chemical Properties Of Methacrylic Acid (MAA)
Methacrylic Acid (MAA) has the molecular formula C₄H₆O₂ and a molecular weight of 86.09 g/mol. At room temperature, it exists as a colorless, transparent liquid with a strong, pungent odor. Its boiling point is 161°C, melting point is 15°C, and density is 1.015 g/cm³. Methacrylic Acid (MAA) exhibits strong acidity with a pKa value of approximately 4.66. It is readily soluble in water, ethanol, and organic solvents such as diethyl ether. Chemically reactive, it readily undergoes addition polymerization reactions and serves as a crucial monomer for preparing various polymeric materials.
Methacrylic Acid (MAA) : MATERIAL SAFETY DATA SHEET (MSDS)
| Section | Description |
|---|---|
| Product Name | Methacrylic Acid (MAA) |
| CAS Number | 79-41-4 |
| Chemical Formula | C₄H₆O₂ |
| Hazard Category | Corrosive, Flammable, Skin Irritant |
| Appearance | Colorless to slightly yellow liquid with pungent odor |
| Flash Point | 65–75°C (Closed cup, varies by inhibitor content) |
| Boiling Point | 161–163°C |
| Main Health Hazards | Causes skin burns, eye damage, inhalation irritation |
| Personal Protection | Chemical-resistant gloves, goggles, respirator, protective clothing |
| Safe Storage | Keep in cool, ventilated area; avoid heat and light; store with inhibitor (MEHQ) |
| Leak Response | Evacuate area, wear PPE, absorb with inert material, avoid sparks/flames |
| Shelf Life | 6–12 months depending on storage temperature |
Why Purchase Methacrylic Acid (MAA) From Gneebio?
Gneebio is a trusted manufacturer and supplier with over a decade of experience in the chemical industry. Our Methacrylic Acid (MAA) is produced under strict ISO and GMP quality systems, ensuring high purity concentration in industrial applications. We offer:
- Product specifications (technical data sheet);
- COA and MSDS;
Related Chemical Products from Gneebio
Bulk Industrial buyers often purchase Methacrylic Acid (CAS 79-41-4) together with other solvents and intermediates.
Here are the most popular products:
| Product Name | CAS |
|---|---|
| Cyclohexanone (CYC) | 108-94-1 |
| Methyl Methacrylate (MMA) | 80-62-6 |
| 2-Methoxyethanol | 109-86-4 |
| Propionic Acid | 79-09-4 |
| Ethylene Glycol (Meg) | 107-21-1 |
| N, N-Dimethylacetamide (DMAC) | 127-19-5 |
