2-HYDROXYETHYL METHACRYLATE (HEMA)

2-Hydroxyethyl Methacrylate (HEMA) is a hydrophilic methacrylate monomer widely used in biomedical polymers, adhesives, UV-curable coatings, and specialty resins.
2-Hydroxyethyl Methacrylate (HEMA) provides excellent adhesion, flexibility, and water compatibility in polymer systems.
2-Hydroxyethyl Methacrylate (HEMA) is known for its role in soft contact lenses, hydrogels, and biocompatible polymer applications.
2-Hydroxyethyl Methacrylate (HEMA) polymerizes easily and forms clear, durable materials suitable for medical and industrial uses.

CAS Number: 868-77-9
EC Number: 212-782-2
Molecular Formula: C6H10O3
Molecular Weight: 130.14 g/mol

Synonyms: HEMA, Hydroxyethyl Methacrylate, 2-HEMA Monomer, Methacrylic Acid 2-Hydroxyethyl Ester, Hydroxyethyl Acrylic Monomer, Hydrophilic Methacrylate, Biomaterial-grade HEMA, UV-curable HEMA, Medical-grade HEMA, Contact-lens HEMA, 2-Hydroxyethyl Methacrylate (HEMA), 2-HEMA, Hydroxyethyl Methacrylate, HEMA, Ethylene Glycol Monomethacrylate, 2-Hydroxyethyl 2-Methylacrylate, Methacrylic Acid 2-Hydroxyethyl Ester, Hydroxyethyl Ester of Methacrylic Acid, 2-Hydroxyethyl Ester of Methacrylic Acid, HEMA Monomer, 2-HEMA Monomer, HEMA Polymer Monomer, HEMA Acrylic Monomer, HEMA Methacrylate Monomer, HEMA Crosslinking Monomer, HEMA Reactive Monomer, HEMA UV-Curing Monomer, HEMA Photo-curable Monomer, HEMA Dental Monomer, HEMA Contact Lens Monomer, HEMA Biomedical Monomer, HEMA Polymer Intermediate, HEMA Coating Raw Material, HEMA Adhesive Raw Material, HEMA Resin Monomer, HEMA Copolymer Component, HEMA Functional Monomer, HEMA Reactive Diluent, HEMA Chemical, HEMA Compound, HEMA Material, HEMA Product, HEMA Substance, HEMA Technical Grade, HEMA Industrial Grade, HEMA Pharmaceutical Grade, HEMA Cosmetic Grade, HEMA Medical Grade, HEMA Laboratory Grade, HEMA Research Grade, HEMA Pure, HEMA Extra Pure, High Purity HEMA, HEMA Stabilized, HEMA Inhibited Grade, HEMA Certified Grade, HEMA Analytical Grade, HEMA Reagent Grade, HEMA Certified Standard, HEMA Analytical Standard, HEMA Laboratory Standard

APPLICATIONS

2-Hydroxyethyl Methacrylate (HEMA) is used in soft contact lens production.
2-Hydroxyethyl Methacrylate (HEMA) forms hydrogels with high water content for ocular comfort.
2-Hydroxyethyl Methacrylate (HEMA) enhances oxygen permeability in lens materials.

2-Hydroxyethyl Methacrylate (HEMA) is used in dental bonding systems.
2-Hydroxyethyl Methacrylate (HEMA) improves adhesion to dentin and enamel.
2-Hydroxyethyl Methacrylate (HEMA) enhances flow and wetting in dental adhesives.

2-Hydroxyethyl Methacrylate (HEMA) is used in UV-curable coatings.
2-Hydroxyethyl Methacrylate (HEMA) delivers flexibility and clarity to cured films.
2-Hydroxyethyl Methacrylate (HEMA) improves adhesion to plastics, metals, and glass.

2-Hydroxyethyl Methacrylate (HEMA) is used in 3D printing resins.
2-Hydroxyethyl Methacrylate (HEMA) enhances polymer toughness and elasticity.
2-Hydroxyethyl Methacrylate (HEMA) promotes high-resolution surface finishing.

2-Hydroxyethyl Methacrylate (HEMA) is used in biomedical hydrogel systems.
2-Hydroxyethyl Methacrylate (HEMA) provides tissue-compatible polymer networks.
2-Hydroxyethyl Methacrylate (HEMA) is applied in wound-care and drug-delivery materials.

2-Hydroxyethyl Methacrylate (HEMA) is used in adhesives and sealants.
2-Hydroxyethyl Methacrylate (HEMA) improves bond strength and moisture tolerance.
2-Hydroxyethyl Methacrylate (HEMA) enhances polymer penetration and anchoring.

2-Hydroxyethyl Methacrylate (HEMA) is used in paints and coatings.
2-Hydroxyethyl Methacrylate (HEMA) improves flexibility and adhesion to substrates.
2-Hydroxyethyl Methacrylate (HEMA) enhances gloss and chemical resistance.

2-Hydroxyethyl Methacrylate (HEMA) is used in synthetic resins and copolymers.
2-Hydroxyethyl Methacrylate (HEMA) increases hydrophilicity and polymer compatibility.
2-Hydroxyethyl Methacrylate (HEMA) enables cross-linking in acrylic systems.

2-Hydroxyethyl Methacrylate (HEMA) is used in electronics and optical components.
2-Hydroxyethyl Methacrylate (HEMA) provides clarity and adhesion in optical resins.
2-Hydroxyethyl Methacrylate (HEMA) enhances encapsulation performance.

2-Hydroxyethyl Methacrylate (HEMA) is used in industrial formulations requiring controlled flexibility.
2-Hydroxyethyl Methacrylate (HEMA) supports moisture-curing systems.
2-Hydroxyethyl Methacrylate (HEMA) provides dimensional stability and durability.

2-Hydroxyethyl Methacrylate (HEMA) is used as a primary monomer in polymer and copolymer production.
2-Hydroxyethyl Methacrylate (HEMA) provides hydroxyl functionality for enhanced crosslinking.
2-Hydroxyethyl Methacrylate (HEMA) improves adhesion and flexibility in polymer systems.

2-Hydroxyethyl Methacrylate (HEMA) is applied in dental restorative materials.
2-Hydroxyethyl Methacrylate (HEMA) increases adhesion to enamel and dentin in bonding systems.
2-Hydroxyethyl Methacrylate (HEMA) enhances mechanical strength in composite fillings.

2-Hydroxyethyl Methacrylate (HEMA) is used in UV-curable coatings.
2-Hydroxyethyl Methacrylate (HEMA) accelerates curing and improves hardness in UV formulations.
2-Hydroxyethyl Methacrylate (HEMA) provides excellent substrate wetting and surface gloss.

2-Hydroxyethyl Methacrylate (HEMA) is incorporated in contact lens materials.
2-Hydroxyethyl Methacrylate (HEMA) forms hydrophilic polymer networks with high water retention.
2-Hydroxyethyl Methacrylate (HEMA) improves oxygen permeability and user comfort in soft lenses.

2-Hydroxyethyl Methacrylate (HEMA) is used in medical hydrogels and biomaterials.
2-Hydroxyethyl Methacrylate (HEMA) supports controlled drug release systems.
2-Hydroxyethyl Methacrylate (HEMA) is applied in tissue scaffolds due to biocompatibility.

2-Hydroxyethyl Methacrylate (HEMA) is used in adhesives and sealants.
2-Hydroxyethyl Methacrylate (HEMA) provides durable bonding to glass, metal, and polymers.
2-Hydroxyethyl Methacrylate (HEMA) enhances cohesive strength and moisture resistance.

2-Hydroxyethyl Methacrylate (HEMA) is used in coatings and paints.
2-Hydroxyethyl Methacrylate (HEMA) improves film formation and flexibility in coatings.
2-Hydroxyethyl Methacrylate (HEMA) enhances chemical and abrasion resistance.

2-Hydroxyethyl Methacrylate (HEMA) is incorporated in nail enhancement systems.
2-Hydroxyethyl Methacrylate (HEMA) provides strong adhesion in UV gel and acrylic nails.
2-Hydroxyethyl Methacrylate (HEMA) improves hardness and durability of nail coatings.

2-Hydroxyethyl Methacrylate (HEMA) is applied in 3D printing photopolymers.
2-Hydroxyethyl Methacrylate (HEMA) enhances crosslink density and printing accuracy.
2-Hydroxyethyl Methacrylate (HEMA) improves mechanical properties of printed models.

2-Hydroxyethyl Methacrylate (HEMA) is used in waterborne acrylic emulsions.
2-Hydroxyethyl Methacrylate (HEMA) enhances wet adhesion and coalescence in latex systems.
2-Hydroxyethyl Methacrylate (HEMA) increases hydrolytic and weathering resistance.

2-Hydroxyethyl Methacrylate (HEMA) is incorporated in lubricant additive packages.
2-Hydroxyethyl Methacrylate (HEMA) improves dispersibility and boundary lubrication.
2-Hydroxyethyl Methacrylate (HEMA) prevents deposit formation under shear conditions.

2-Hydroxyethyl Methacrylate (HEMA) is used in printing inks.
2-Hydroxyethyl Methacrylate (HEMA) improves pigment stability and film uniformity.
2-Hydroxyethyl Methacrylate (HEMA) supports fast-curing ink systems.

2-Hydroxyethyl Methacrylate (HEMA) is applied in photoresists and electronic coatings.
2-Hydroxyethyl Methacrylate (HEMA) provides precise patterning and adhesion to substrates.
2-Hydroxyethyl Methacrylate (HEMA) improves dielectric stability in circuit coatings.

DESCRIPTION

2-Hydroxyethyl Methacrylate (HEMA) is a hydrophilic methacrylate monomer used for crosslinkable polymer systems.
2-Hydroxyethyl Methacrylate (HEMA) provides excellent adhesion, flexibility, and biocompatibility.
2-Hydroxyethyl Methacrylate (HEMA) is widely utilized in dental, medical, and industrial applications.

2-Hydroxyethyl Methacrylate (HEMA) has the CAS number 868-77-9.
2-Hydroxyethyl Methacrylate (HEMA) has the EC number 212-782-2.
2-Hydroxyethyl Methacrylate (HEMA) has the molecular formula C6H10O3.

2-Hydroxyethyl Methacrylate (HEMA) has a molecular weight of 130.14 g/mol.
2-Hydroxyethyl Methacrylate (HEMA) appears as a clear colorless liquid with a mild ester odor.
2-Hydroxyethyl Methacrylate (HEMA) is miscible with water and organic solvents.

2-Hydroxyethyl Methacrylate (HEMA) polymerizes readily with heat, light, and free-radical initiators.
2-Hydroxyethyl Methacrylate (HEMA) provides transparent, flexible, and adhesive polymer films.
2-Hydroxyethyl Methacrylate (HEMA) exhibits hydroxyl functionality for improved crosslink density.

2-Hydroxyethyl Methacrylate (HEMA) may cause skin sensitization and should be handled with PPE.
2-Hydroxyethyl Methacrylate (HEMA) should be stored with inhibitors and protected from heat and light.

2-Hydroxyethyl Methacrylate (HEMA) is a key monomer for advanced medical and industrial polymer systems.
2-Hydroxyethyl Methacrylate (HEMA) is a clear, colorless to pale yellow liquid.

2-Hydroxyethyl Methacrylate (HEMA) has a mild ester-like odor.
2-Hydroxyethyl Methacrylate (HEMA) is highly reactive and polymerizes readily with initiators.

2-Hydroxyethyl Methacrylate (HEMA) is miscible with water, alcohols, and organic solvents.
2-Hydroxyethyl Methacrylate (HEMA) forms flexible, transparent polymers.
2-Hydroxyethyl Methacrylate (HEMA) is resistant to yellowing and UV exposure.

2-Hydroxyethyl Methacrylate (HEMA) exhibits high hydrophilicity due to hydroxyl functionality.
2-Hydroxyethyl Methacrylate (HEMA) supports cross-linking and copolymerization.
2-Hydroxyethyl Methacrylate (HEMA) maintains dimensional stability in cured systems.

2-Hydroxyethyl Methacrylate (HEMA) is biocompatible when properly purified and polymerized.
2-Hydroxyethyl Methacrylate (HEMA) is widely used in regulated medical materials.

PROPERTIES

Appearance: Clear, colorless-to-yellow liquid
Odor: Mild ester odor
Density: ~1.07 g/cm³
Solubility: Miscible with water and organic solvents
Boiling Point: ~213°C
Melting Point: ~-12°C
pH: Neutral to slightly acidic
Reactivity: Polymerizes in presence of heat, light, or peroxides
Storage Temperature: 2–8°C, inhibitor-stabilized, sealed away from light
Hazard Note: Handle with gloves; avoid skin contact pre-polymerization

FIRST AID

Inhalation:
Move to fresh air and keep at rest.
Seek medical attention if breathing discomfort occurs.

Skin Contact:
Wash with water and mild soap immediately.
Seek medical help if irritation persists.

Eye Contact:
Rinse thoroughly with water for at least 15 minutes.
Seek medical attention for persistent irritation.

Ingestion:
Rinse mouth and drink water.
Seek medical advice if symptoms appear.

Note to Physicians:
Treat symptomatically; unpolymerized monomer may cause contact sensitization.

HANDLING AND STORAGE

Handling:
Wear gloves, goggles, and protective clothing.
Avoid skin contact; monomer may cause sensitization.

Ventilation:
Use adequate ventilation in processing areas.

Avoidance:
Avoid heat, UV light, oxidizers, and free-radical sources.

Spill and Leak Procedures:
Absorb with inert material and collect for disposal.
Wash area thoroughly to remove residue.

Storage:
Store in airtight container at 2–8°C with inhibitor present.
Protect from light and heat to prevent premature polymerization.

Handling Cautions:
Do not store without polymerization inhibitor.
Use dry nitrogen blanketing for bulk storage if applicable.