A Brief Introduction to Methacrylic anhydride
Molecular Formula:C8H10O3
Molecular Weight:154.16
CAS No.:760-93-0
Appearance:Colorless to light yellow liquid
What is Methacrylic anhydride?
- Methacrylic anhydride is a colorless to pale yellow, transparent liquid at room temperature and pressure, and has a pungent, acidic odor. It is classified as a hazardous chemical.
- Methacrylic anhydride is sensitive to heat and light, and is also hygroscopic; therefore, it should be stored in a cool, dark, and sealed environment.
- Methacrylic anhydride is not only an intermediate in organic synthesis but also a unique functional monomer, possessing high reactivity and polymerization capabilities.

Why choose Highassay?
Highassay offers Methacrylic anhydride raw materials in various purities, including 94%, 97%, 98%, and 99%, to meet your diverse production needs. Simply tell us the type of product you are manufacturing, and we will recommend the appropriate raw material purity.
If you are a manufacturer of modifiers, curing agents, or other products for general polymers, you can choose Methacrylic anhydride raw materials with a purity of around 98%, which are relatively inexpensive and can meet basic chemical reaction requirements.
If you are producing UV-curing resins, high-end crosslinking agents, or monomers for dental materials synthesis, you need to choose methyl Methacrylate anhydride raw materials with the highest purity and the most stringent specifications.
Whatever your needs may be, Highassay can provide you with the most suitable products. Please contact us if you want to purchase Methacrylic anhydride raw materials!
Applications of Methacrylic anhydride
The functions of Methacrylic anhydride are based on its dual active sites, namely the polymerizable double bond and the highly reactive anhydride group.
In the field of macromolecular monomer synthesisIt can not only generate various types of polymers through reactions with other monomers, but also improve polymer properties such as heat resistance and chemical resistance through reactions such as crosslinking, copolymerization, and modification.
In the field of polymer synthesisIt can also be used as a crosslinking agent in the production of high-performance resins and rubbers, such as epoxy resins and polyurethanes. This crosslinked structure results in superior mechanical properties and corrosion resistance, making it suitable for applications in 3D printing and automotive manufacturing.
In the field of UV-curable coatingsAs an important UV-curable monomer, Methacrylic anhydride’s excellent cross-linking and UV-curing properties have led to its increasingly widespread application in the coatings field, such as in electronic coatings, wood coatings, and packaging coatings.
In the field of Specialty and fine chemicalsUsed as a raw material in the synthesis of specialty and fine chemicals, such as pharmaceutical intermediates and pesticide intermediates.
Methacrylic anhydride-----Specific applications in the medical field
- These materials are used to prepare biodegradable polymer materials that possess excellent biocompatibility and biodegradability. They are used in the manufacture of medical supplies such as sutures, sustained-release drug carriers, and orthopedic biomaterials, contributing to the sustainable development of the medical industry.
- It is used in the field of dental materials, as an intermediate or modifier in the synthesis and modification of dental resin materials.
- In the production of contact lenses, methacrylic anhydride can be used to synthesize silicone-containing methacrylates, which are one of the key components of extended-wear contact lenses (such as silicone hydrogel lenses).


Methacrylic anhydride-----Specific applications in the field of polymers
Methacrylic anhydride has extremely wide applications in the field of polymers. Here, I will use coatings as an example to elaborate on its uses.
When Methacrylic anhydride is added to coatings or paints as an auxiliary ingredient, it reacts with other components in the product.This has significantly improved product quality.
For example, the mechanical properties of coatings or paints are enhanced, resulting in increased surface hardness, making them less susceptible to scratches from sand or cleaning tools; improved adhesion, solving problems such as blistering and peeling; and greater stability in harsh environments, which helps to extend the lifespan of the coating.
Side effects of Methacrylic anhydride
- Methacrylic anhydride has a strong chemical odor and is irritating to the eyes, skin, and respiratory tract. Avoid inhalation, skin exposure, and direct contact during use.
- This is a hazardous chemical and is flammable; avoid contact with heat sources and open flames.
- Methacrylic anhydride releases heat and produces a substance that adheres to the skin upon contact with water. If a small area is contaminated, wipe away the solution immediately, rinse thoroughly with plenty of mild soap and water, and then seek medical attention, informing the doctor about the type of chemical you came into contact with.

By reacting with amine nucleophiles, ester or amide bonds are formed. For example, highly reactive methacryloyl groups can be precisely and firmly attached to various molecules or material surfaces containing nucleophilic groups to enhance the performance of the resulting products.
The synthesis route of Methacrylic anhydride is not only flexible but also highly efficient, and even small amounts can significantly improve the final performance of the product.
Methacrylic anhydride is a derivative of Methacrylic acid, or in other words, they are derivatives of each other.
Specification of Methacrylic anhydride
| Product Name | Methacrylic anhydride |
| Structural Formular | CH=C(CH)C(=O)-O-C(=O)C(CH)=CH |
| Density | 1.035g/cm³ |
| Boiling Point | 87℃ |
| Refractive Index | 1.453(20℃) |
| Flash Point | 184° |
| Melting Point | -20℃ |
| Viscosity | 0.95mPa•s(25℃) |
| Solubility | Soluble in organic solvents such as ethanol,ether,and benzene |
| Storage | Store in a low temperature,dark place |
| Package | 200kg plastic drum |




