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2-Hydroxyethyl Methacrylate (HEMA) is a versatile monomer widely used in polymer manufacturing, dental materials, coatings, adhesives, and biomedical applications.
HEMA is known for its excellent hydrophilicity, adhesion properties, and biocompatibility, making it ideal for contact lenses, hydrogels, and medical devices.
2-Hydroxyethyl Methacrylate (HEMA) is also used as a reactive diluent in UV-curable coatings, ensuring improved flexibility and adhesion to various substrates.
CAS Number: 868-77-9
EC Number: 212-782-2
Molecular Formula: C6H10O3
Molecular Weight: 130.14 g/mol
Synonyms: 2-Hydroxyethyl Methacrylate, HEMA, Hydroxyethyl Methacrylate, 2-HEMA, HEMA Monomer, Hydroxyethyl Methacrylate Polymer, 2-Hydroxyethyl 2-Methylpropenoate, HEMA for Contact Lenses, HEMA for Dental Materials, HEMA for Adhesives, HEMA for Coatings, HEMA for Biomedical Applications, HEMA for 3D Printing, HEMA for Hydrogels
APPLICATIONS
2-Hydroxyethyl Methacrylate (HEMA) is widely used in the production of soft contact lenses for its biocompatibility and moisture retention.
2-Hydroxyethyl Methacrylate (HEMA) is included in hydrogel formulations for biomedical and pharmaceutical applications.
2-Hydroxyethyl Methacrylate (HEMA) is employed in drug delivery systems due to its ability to absorb and release bioactive compounds.
2-Hydroxyethyl Methacrylate (HEMA) is used in dental materials such as bonding agents, sealants, and composite resins.
2-Hydroxyethyl Methacrylate (HEMA) is applied in dental adhesives to enhance adhesion to enamel and dentin.
2-Hydroxyethyl Methacrylate (HEMA) is found in dental cements and restoratives to improve mechanical properties and longevity.
2-Hydroxyethyl Methacrylate (HEMA) is incorporated into coatings and paints to improve flexibility, adhesion, and durability.
2-Hydroxyethyl Methacrylate (HEMA) is used in UV-curable and radiation-curable coatings for enhanced performance.
2-Hydroxyethyl Methacrylate (HEMA) is utilized in wood coatings and automotive finishes for improved scratch resistance.
2-Hydroxyethyl Methacrylate (HEMA) is employed in adhesives and sealants for its excellent bonding strength.
2-Hydroxyethyl Methacrylate (HEMA) is found in pressure-sensitive adhesives for improved tack and durability.
2-Hydroxyethyl Methacrylate (HEMA) is used in industrial and structural adhesives to bond plastics, metals, and composites.
2-Hydroxyethyl Methacrylate (HEMA) is utilized in textile and paper treatment for water resistance and chemical stability.
2-Hydroxyethyl Methacrylate (HEMA) is applied in leather finishing and synthetic fiber coatings for enhanced performance.
2-Hydroxyethyl Methacrylate (HEMA) is used in ink and printing applications to improve print adhesion and durability.
2-Hydroxyethyl Methacrylate (HEMA) is incorporated into 3D printing resins for enhanced flexibility and toughness.
2-Hydroxyethyl Methacrylate (HEMA) is found in nanotechnology applications for smart coatings and responsive polymers.
2-Hydroxyethyl Methacrylate (HEMA) is used in polymeric membranes and filtration systems to improve hydrophilicity and separation efficiency.
2-Hydroxyethyl Methacrylate (HEMA) is widely used in the production of dental materials, including adhesives, composites, and sealants, to improve adhesion and durability.
2-Hydroxyethyl Methacrylate (HEMA) is employed in the formulation of contact lenses, providing flexibility and comfort while enhancing the material's clarity and biocompatibility.
2-Hydroxyethyl Methacrylate (HEMA) is used in the manufacturing of coatings and paints, where it improves the hardness, adhesion, and chemical resistance of the final product.
2-Hydroxyethyl Methacrylate (HEMA) is incorporated into polymerizable hydrogels for drug delivery systems, where it provides high water retention and facilitates controlled release of active ingredients.
2-Hydroxyethyl Methacrylate (HEMA) is used in the production of adhesives and bonding agents for various industrial applications, providing excellent bonding strength and durability.
2-Hydroxyethyl Methacrylate (HEMA) is applied in the development of biomedical devices, including surgical adhesives and wound dressings, for its biocompatibility and adhesive properties.
2-Hydroxyethyl Methacrylate (HEMA) is used in the formulation of acrylic and gel nail products, where it contributes to the durability and flexibility of the nail coatings.
2-Hydroxyethyl Methacrylate (HEMA) is used in the preparation of polymeric nanocomposites for use in electronic and optical applications, where it improves the material's mechanical properties and dispersion.
2-Hydroxyethyl Methacrylate (HEMA) is employed in the production of waterproofing materials and coatings, enhancing the material’s resistance to water and environmental stress.
2-Hydroxyethyl Methacrylate (HEMA) is used in the formulation of flexible films and coatings for packaging materials, contributing to their strength, transparency, and moisture resistance.
2-Hydroxyethyl Methacrylate (HEMA) is used in personal care products, such as skin creams and moisturizers, to create film-forming agents that help improve skin hydration.
2-Hydroxyethyl Methacrylate (HEMA) is applied in the production of ophthalmic lenses, improving the lens material's water content and comfort for long-wear use.
2-Hydroxyethyl Methacrylate (HEMA) is used in the formulation of self-healing materials that can repair damage over time, contributing to increased product longevity.
2-Hydroxyethyl Methacrylate (HEMA) is used in the development of biomaterials for tissue engineering, particularly in creating scaffolds for cell growth and regeneration.
2-Hydroxyethyl Methacrylate (HEMA) is used in polymerization reactions to create cross-linked polymers that provide enhanced mechanical strength and thermal stability.
2-Hydroxyethyl Methacrylate (HEMA) is employed in the production of medical devices such as catheters and wound dressings, enhancing their flexibility, biocompatibility, and strength.
2-Hydroxyethyl Methacrylate (HEMA) is used in the manufacturing of resins for 3D printing, where it helps improve the accuracy, durability, and flexibility of printed objects.
2-Hydroxyethyl Methacrylate (HEMA) is applied in the production of gel-based cosmetic products, contributing to the stability and texture of the product.
2-Hydroxyethyl Methacrylate (HEMA) is used in the formulation of surface coatings for textiles, providing water repellency and improved wear resistance.
2-Hydroxyethyl Methacrylate (HEMA) is used in the formulation of sealants for construction materials, improving the product's adhesion, flexibility, and resistance to weathering.
2-Hydroxyethyl Methacrylate (HEMA) is incorporated into paints and varnishes to improve their adhesion properties and help them form durable, scratch-resistant finishes.
2-Hydroxyethyl Methacrylate (HEMA) is employed in the preparation of dental implants and prosthetics, ensuring optimal bonding with the surrounding tissues.
2-Hydroxyethyl Methacrylate (HEMA) is used in the production of polymers for optical lenses, enhancing their clarity and UV resistance.
2-Hydroxyethyl Methacrylate (HEMA) is used in microelectronics for the production of coatings and insulators, contributing to the overall performance and longevity of the components.
2-Hydroxyethyl Methacrylate (HEMA) is used in coatings for optical fibers to improve their flexibility and protect them from environmental damage.
DESCRIPTION
2-Hydroxyethyl Methacrylate (HEMA) is a clear, colorless to slightly yellow liquid with a mild characteristic odor.
This monomer is highly reactive and polymerizes easily when exposed to heat, light, or initiators.
2-Hydroxyethyl Methacrylate (HEMA) exhibits excellent adhesion properties, making it ideal for bonding various materials.
2-Hydroxyethyl Methacrylate (HEMA) has a high affinity for water, allowing it to form hydrogels with excellent moisture retention.
This compound is widely used in biocompatible applications, including contact lenses and wound dressings.
2-Hydroxyethyl Methacrylate (HEMA) enhances the flexibility, strength, and durability of polymer-based materials.
2-Hydroxyethyl Methacrylate (HEMA) is UV-stable and resistant to yellowing, making it suitable for outdoor coatings.
This monomer is compatible with other acrylates and methacrylates, allowing for tailored polymer properties.
2-Hydroxyethyl Methacrylate (HEMA) is biodegradable under certain conditions, reducing its environmental impact.
2-Hydroxyethyl Methacrylate (HEMA) is a colorless liquid that is widely used in the synthesis of polymers and copolymers, known for its ability to form hydrogels and provide high water retention.
2-Hydroxyethyl Methacrylate (HEMA) is an important monomer in the production of cross-linked polymers, offering enhanced mechanical properties and flexibility for various applications.
2-Hydroxyethyl Methacrylate (HEMA) is often used in combination with other monomers to create high-performance materials with specific properties, such as improved biocompatibility and adhesion.
2-Hydroxyethyl Methacrylate (HEMA) is a key ingredient in many medical and dental formulations, where it contributes to the strength and flexibility of dental resins and adhesives.
2-Hydroxyethyl Methacrylate (HEMA) has a high affinity for water, making it essential for the development of contact lenses, wound dressings, and drug delivery systems that require moisture retention.
2-Hydroxyethyl Methacrylate (HEMA) is used as a monomer in the preparation of acrylic-based resins, which are commonly used in coatings, paints, and adhesives.
2-Hydroxyethyl Methacrylate (HEMA) is soluble in alcohol and water, making it a versatile ingredient in various formulations, from personal care products to medical devices.
2-Hydroxyethyl Methacrylate (HEMA) is highly reactive, making it suitable for polymerization and the creation of cross-linked networks that are used in various industrial applications.
2-Hydroxyethyl Methacrylate (HEMA) is biodegradable and considered safe for use in medical devices, cosmetics, and pharmaceuticals when used within regulatory limits.
2-Hydroxyethyl Methacrylate (HEMA) plays a crucial role in the development of smart materials, including those used in tissue engineering and drug delivery, due to its ability to form responsive hydrogels.
PROPERTIES
Chemical Formula: C6H10O3
Molecular Weight: 130.14 g/mol
Common Name: 2-Hydroxyethyl Methacrylate (HEMA)
Appearance: Clear, colorless to slightly yellow liquid
Odor: Mild characteristic odor
Density: Approx. 1.12 g/cm³ (at 25°C)
Melting Point: -12°C
Boiling Point: 213°C
Solubility: Miscible with water, ethanol, and organic solvents
pH: Neutral to slightly acidic
Reactivity: Polymerizes in the presence of heat, light, or free radical initiators
Chemical Stability: Stable under normal conditions but sensitive to polymerization triggers
Storage Temperature: Store at 5–25°C in a sealed container
FIRST AID
Inhalation:
If 2-Hydroxyethyl Methacrylate (HEMA) vapors are inhaled, move the affected person to fresh air immediately.
If breathing difficulties persist, seek medical attention.
If the person is not breathing, administer artificial respiration.
Keep the affected person warm and at rest.
Skin Contact:
Wash the affected area thoroughly with soap and water.
If skin irritation or rash develops, seek medical attention.
Remove contaminated clothing and wash before reuse.
Eye Contact:
Flush eyes with plenty of water for at least 15 minutes, lifting upper and lower eyelids.
Seek immediate medical attention if irritation or redness persists.
Remove contact lenses if present and easy to do; continue rinsing.
Ingestion:
If 2-Hydroxyethyl Methacrylate (HEMA) is ingested in large amounts, rinse the mouth thoroughly with water.
Seek medical attention if discomfort or symptoms persist.
If the person is conscious, give small sips of water to drink.
Note to Physicians:
Treat symptomatically.
No specific antidote is required.
Provide supportive care as needed.
HANDLING AND STORAGE
Handling:
Personal Protection:
Wear appropriate personal protective equipment (PPE), such as gloves, safety goggles, and protective clothing, when handling 2-Hydroxyethyl Methacrylate (HEMA).
Avoid inhaling vapors or mist during processing.
Ventilation:
Ensure proper ventilation to minimize exposure to airborne particles.
Use local exhaust systems if necessary.
Avoidance:
Avoid direct contact with eyes, skin, and clothing.
Do not eat, drink, or smoke while handling.
Wash hands thoroughly after handling.
Spill and Leak Procedures:
Contain spills to prevent further release.
Use inert absorbent materials (e.g., sand, vermiculite) to collect spilled material.
Dispose of waste according to local regulations.
Storage:
Store in a cool, dry, well-ventilated area away from heat, moisture, and incompatible materials.
Keep containers tightly closed and properly labeled.
Protect from direct sunlight and sources of free radicals to prevent polymerization.
Handling Cautions:
Avoid prolonged exposure to air and moisture to maintain product stability.
Ensure containers are sealed properly to prevent contamination.
