Quick Search
EMA (Ethyl Methacrylate) has an acrid acrylate odor and is soluble in alcohol and ether.
EMA (Ethyl Methacrylate) is readily polymerized and is chemically reactive.
EMA (Ethyl Methacrylate) is very hydrophobic and poorly “wets” the hydrophilic keratin surface of the nail plate, requiring hydrophilic nail primers and additives to obtain sufficient adhesion.
CAS Number: 97-63-2
Molecular Formula: C6H10O2
Molecular Weight: 114.14
EINECS Number: 202-597-5
Synonyms: Hydroxyethyl methacrylate–ethyl methacrylate, HEMA–EMA, EMA HEMA, Ethyl 2-methylprop-2-enoate; 2-hydroxyethyl 2-methylprop-2-enoate, 2-Propenoic acid, 2-methyl-, ethyl ester, polymer with 2-hydroxyethyl 2-methyl-2-propenoate, Poly(ethyl methacrylate-co-hydroxyethyl methacrylate), HEMA-EMA copolymer, CAS-26335-61-5, DTXSID70180949, DTXCID60103440, RefChem:147174, SCHEMBL5534844, YXDZNWKMCVFFBD-UHFFFAOYSA-N, Ethyl methacryla;2-Methyl-2-propenoic acid ethyl ester;2-methyl-2-propenoicacid,ethylester;2-methyl-2-propenoicaciethylester;2-Methylacrylic acid, ethyl ester;2-methyl-prop-2-enoicacidethylester;ethylmethacrylatemonomer;Ethylmethylacryate
EMA (Ethyl Methacrylate) is the ester of ethyl alcohol and methacrylic acid.
Other chemical names for this compound are Ethyl 2- Methyl-2-Propenoate; 2-Methyl-2-Propenoic Acid, Ethyl Ester; 2-Propenoic Acid, 2-Methyl-, Ethyl Ester; and Methyacrylic Acid, Ethyl Ester.
EMA (Ethyl Methacrylate) is a colorless liquid with a melting point below -75℃, a boiling point of 119℃, and a specific gravity of 0.911.
EMA (Ethyl Methacrylate) has a molecular weight of 114.14 Da, a refractive index (n, 25/D) of 1.4116, and a flash point (OC) of 70℃.
EMA (Ethyl Methacrylate) is the organic compound with the formula C2H5O2CC(CH3)=CH2.
A colorless liquid, it is a common monomer for the preparation of acrylate polymers.
EMA (Ethyl Methacrylate) is typically polymerized under free-radical conditions.
EMA (Ethyl Methacrylate) is an acrylic ester monomer formed from methacrylic acid and ethanol with the molecular formula C₆H₁₀O₂.
EMA (Ethyl Methacrylate) is a clear, colorless liquid with a mild fruity odor and moderate volatility.
It is mainly used as a reactive building block in polymer and copolymer production.
EMA (Ethyl Methacrylate) contains a vinyl double bond that readily undergoes free-radical polymerization under thermal or chemical initiation.
This allows it to form long polymer chains and participate easily in copolymer systems.
It is commonly copolymerized with methyl methacrylate, butyl acrylate, and hydroxyethyl methacrylate.
Because EMA (Ethyl Methacrylate) has a relatively short ethyl side chain, it produces polymers that are harder and less flexible than those made with longer alkyl methacrylates.
This increases hardness, scratch resistance, and mechanical strength of polymer films.
Such properties are useful in rigid and semi-rigid coating systems.
EMA (Ethyl Methacrylate) performs well in solution, emulsion, and bulk polymerization processes.
It contributes to uniform polymer particle formation and smooth surface films.
This improves optical clarity and surface finish in coatings and plastics.
EMA (Ethyl Methacrylate)-containing polymers show good resistance to weathering and ultraviolet exposure.
They maintain transparency and mechanical integrity over time.
This supports their use in outdoor and industrial coating applications.
EMA (Ethyl Methacrylate) is also used in specialty resins, inks, and plastic modifiers where controlled hardness and adhesion are required.
It improves bonding to substrates such as metals, glass, and rigid plastics.
This is important for protective coatings and printing applications.
Because EMA (Ethyl Methacrylate) can polymerize uncontrollably when exposed to heat, light, or contaminants, it is always supplied with polymerization inhibitors such as MEHQ.
It must be stored in cool, well-ventilated areas and protected from oxidizing agents.
Strict handling procedures are required to prevent runaway reactions during storage and transport.
In copolymer design, EMA (Ethyl Methacrylate) is frequently selected to increase rigidity and surface hardness while maintaining acceptable adhesion properties.
It helps balance mechanical strength with processability in coating and plastic formulations.
This makes it useful in systems that require durable yet workable materials.
EMA (Ethyl Methacrylate) improves chemical resistance of coatings against oils, fuels, and mild solvents.
This protects coated surfaces from swelling, softening, and surface degradation.
Such resistance is important in industrial equipment and automotive components.
EMA (Ethyl Methacrylate)-containing polymers exhibit good dimensional stability during curing and thermal exposure.
They show low shrinkage and reduced internal stress development.
This supports production of defect-free films and molded polymer parts.
In multilayer coating structures, EMA (Ethyl Methacrylate)-rich layers often serve as hard protective topcoats.
They provide abrasion resistance and surface durability while underlying layers supply flexibility.
This layered design improves overall coating performance and lifespan.
Melting point: −75 °C
Boiling point: 118–119 °C
Density: 0.917 g/mL at 25 °C
Vapor density: >3.9 (vs air)
Vapor pressure: 15 mm Hg at 20 °C
Refractive index: n20/D 1.413
Flash point: 60 °F
Storage temperature: 2–8 °C
Solubility: 5.1 g/L; almost insoluble in water, soluble in alcohol and oils
Water solubility: 4 g/L at 20 °C
Form: Liquid
Color: Clear colorless
Odor: Acrid acrylic odor
Odor type: Acrylate
Viscosity: 0.7 mm²/s
Explosive limit: 1.8 % (v/v)
BRN: 471201
Stability: Polymerizes in presence of light or heat; flammable
Incompatible materials: Peroxides, oxidizing agents, bases, acids, reducing agents, halogens, amines
Cosmetic ingredient function: Viscosity controlling
InChI: 1S/C6H10O2/c1-4-8-6(7)5(2)3/h2,4H2,1,3H3
InChIKey: SUPCQIBBMFXVTL-UHFFFAOYSA-N
SMILES: O(CC)C(=O)C(=C)C
LogP: 1.940
EMA (Ethyl Methacrylate) enhances pigment wetting and dispersion in coating and ink formulations.
This results in more uniform color distribution and improved gloss.
It also reduces sedimentation during storage of formulated products.
EMA (Ethyl Methacrylate) can participate in crosslinking reactions when combined with multifunctional comonomers or curing agents.
Crosslinked networks significantly improve hardness, solvent resistance, and thermal stability.
These systems are used in high-performance industrial coatings and protective finishes.
EMA (Ethyl Methacrylate) is used in molding and casting resins where moderate stiffness and transparency are required.
It supports formation of rigid, clear polymer parts with good surface quality.
Such parts are used in lighting components, displays, and protective covers.
From a processing standpoint, EMA (Ethyl Methacrylate) offers predictable polymerization kinetics and controllable molecular weight distribution.
This allows manufacturers to tailor viscosity and mechanical performance of final products.
Stable processing reduces batch-to-batch variability in industrial production.
EMA (Ethyl Methacrylate)-based copolymers are also used in dental and medical polymer systems where controlled rigidity is necessary.
They contribute to structural stability of composite materials and coatings.
This supports durability and dimensional accuracy of medical and dental devices.
EMA (Ethyl Methacrylate) is used in protective clear coats where surface hardness and gloss retention are critical performance requirements.
It helps coatings resist scratching, scuffing, and surface wear during service life.
This is important for furniture finishes, appliance coatings, and decorative industrial surfaces.
In electrical and electronic coatings, EMA (Ethyl Methacrylate) contributes to formation of rigid insulating layers with good dielectric stability.
It supports protection of components against moisture, dust, and mild chemical exposure.
This improves operational reliability of electronic assemblies.
EMA (Ethyl Methacrylate)-based copolymers are used in corrosion-protection systems for metal substrates.
They provide dense polymer films that limit diffusion of oxygen and water to the metal surface.
This reduces corrosion rates and extends service life of coated structures.
In composite materials, EMA (Ethyl Methacrylate) is used in resin matrices to increase stiffness and interfacial bonding with reinforcing fibers.
It improves load transfer between matrix and reinforcement.
This enhances mechanical strength of fiber-reinforced polymer components.
EMA (Ethyl Methacrylate) improves print resistance and rub durability in graphic coatings and specialty inks.
Printed surfaces remain intact under mechanical contact and packaging operations.
This supports quality requirements in branding and labeling applications.
In surface primers, EMA (Ethyl Methacrylate) enhances adhesion to difficult substrates such as metals and engineering plastics.
It forms strong interfacial bonds that improve coating system durability.
This reduces risk of peeling and delamination during long-term use.
EMA (Ethyl Methacrylate)-containing polymers are applied in protective films used for temporary surface protection during manufacturing and transport.
They provide sufficient stiffness to resist tearing while maintaining removability.
This helps prevent damage to finished products before final installation.
In laboratory and analytical applications, EMA (Ethyl Methacrylate) polymers are used in specialty membranes and coatings.
They offer controlled permeability and chemical stability.
This supports use in filtration systems and analytical devices.
EMA (Ethyl Methacrylate) can be used in controlled-release polymer matrices when combined with hydrophilic comonomers.
It helps regulate diffusion of active substances through polymer networks.
This principle is applied in pharmaceutical and agricultural delivery systems.
Uses Of EMA (Ethyl Methacrylate):
EMA (Ethyl Methacrylate) can be manufactured via a reaction of methacrylic acid or methyl acrylate with ethanol.
EMA (Ethyl Methacrylate) is used primarily for manufacturing polymers and as a component of acrylic polymers for surface coatings and as a structural monomer for some artificial fingernail formulations.
EMA (Ethyl Methacrylate) is widely used as a hard monomer in acrylic and methacrylic coatings to increase surface hardness and abrasion resistance.
It improves durability of clear coats and pigmented finishes exposed to mechanical wear.
This is important for furniture, appliances, and industrial equipment coatings.
EMA (Ethyl Methacrylate) is a key component in protective topcoats applied on metal, plastic, and composite substrates.
It enhances adhesion and forms dense polymer films that resist moisture and oxygen penetration.
This supports corrosion protection and long-term surface integrity.
In printing inks and graphic coatings, EMA (Ethyl Methacrylate) improves rub resistance and film cohesion.
It helps printed layers withstand folding, stacking, and packaging operations.
This is critical for labels, cartons, and flexible packaging materials.
EMA (Ethyl Methacrylate) is used in molding and casting resins where moderate rigidity and optical clarity are required.
It supports production of transparent or semi-transparent polymer parts with good surface finish.
Such parts are used in lighting covers, displays, and protective housings.
In electronics and electrical insulation coatings, EMA (Ethyl Methacrylate) contributes to formation of rigid dielectric layers.
It protects components against humidity, dust, and mild chemical exposure.
This improves operational reliability of circuit boards and electronic assemblies.
EMA (Ethyl Methacrylate)-based copolymers are applied in primers to improve adhesion to difficult substrates.
They create strong interfacial bonding with metals and engineering plastics.
This reduces peeling and delamination in multilayer coating systems.
In composite materials, EMA (Ethyl Methacrylate) is used in resin matrices to increase stiffness and fiber–matrix adhesion.
It improves mechanical load transfer between reinforcement fibers and polymer binder.
This enhances strength and dimensional stability of fiber-reinforced components.
EMA (Ethyl Methacrylate) is used in specialty protective films for temporary surface protection during transport and installation.
EMA (Ethyl Methacrylate) provides sufficient rigidity to resist tearing while remaining easy to remove.
This prevents scratches and contamination on finished products.
In medical and dental polymer systems, EMA (Ethyl Methacrylate) contributes to structural stability and shape retention.
It supports formation of rigid coatings and composite materials used in clinical devices.
This improves durability and dimensional accuracy of medical products.
EMA (Ethyl Methacrylate) is also used in controlled-release and barrier polymer matrices when combined with hydrophilic comonomers.
It helps regulate diffusion of active substances through polymer networks.
This principle is applied in pharmaceutical packaging and agricultural delivery systems.
EMA (Ethyl Methacrylate) is used in scratch-resistant coatings for consumer electronics such as mobile phone cases and laptop housings.
It helps maintain surface integrity under repeated contact and friction.
This improves both functional durability and aesthetic appearance of devices.
EMA (Ethyl Methacrylate)-containing polymers are applied in anti-graffiti and easy-clean surface coatings.
They form hard, smooth films that prevent strong adhesion of dirt and spray paints.
This allows easier removal of contaminants from public infrastructure and transport vehicles.
In automotive refinishing systems, EMA (Ethyl Methacrylate) improves hardness and gloss retention of clear coats.
It helps surfaces resist stone chips, washing abrasion, and chemical cleaners.
This supports long-term visual quality of vehicle exteriors.
EMA (Ethyl Methacrylate) is used in protective coatings for industrial machinery and tools.
EMA (Ethyl Methacrylate) provides resistance against oil splashes, mild solvents, and mechanical wear.
This reduces maintenance frequency and extends service life of equipment.
In packaging varnishes, EMA (Ethyl Methacrylate) improves stiffness and blocking resistance of coated paper and cardboard.
It prevents sticking of stacked printed sheets during storage and transport.
This is essential for high-speed printing and packaging production lines.
EMA (Ethyl Methacrylate)-based polymers are applied in barrier coatings for food-contact materials.
They help reduce migration of moisture and gases through packaging layers.
This contributes to preservation of food quality and shelf life.
EMA (Ethyl Methacrylate) is used in UV-curable coating systems when combined with suitable photoinitiators and comonomers.
It contributes to rapid curing and formation of hard protective films.
These systems are used in flooring, wood coatings, and industrial finishing lines.
In specialty filtration membranes, EMA (Ethyl Methacrylate) improves mechanical strength and dimensional stability of polymer films.
It helps membranes withstand pressure and chemical cleaning cycles.
This supports use in water purification and industrial separation processes.
EMA (Ethyl Methacrylate)-containing resins are used in protective coatings for optical components.
They maintain transparency while providing scratch and abrasion resistance.
This is important for lenses, display covers, and protective optical films.
EMA (Ethyl Methacrylate) is also applied in coatings for metal packaging lids and closures.
It improves resistance to deformation and corrosion during sealing and storage.
This ensures integrity of sealed containers under transport and stacking conditions.
Safety Profile Of EMA (Ethyl Methacrylate):
Moderately toxic by ingestion and intraperitoneal routes.
Mildly toxic by inhalation experimental teratogenic and reproductive effects.
A very dangerous fire and explosion hazard when exposed to heat, sparks, or flame; can react with oxidzing materials.
To fight fire, use CO2, dry chemical.
When heated to decomposition it emits acrid smoke and irritating fumes.
EMA (Ethyl Methacrylate) is a flammable liquid and its vapors can form explosive mixtures with air, particularly in confined or poorly ventilated spaces.
EMA (Ethyl Methacrylate) can ignite from heat, sparks, static electricity, or open flames during handling and processing.
Fires may release irritating and toxic combustion products including carbon monoxide and methacrylate vapors.
Inhalation of EMA (Ethyl Methacrylate) vapors can irritate the respiratory tract and cause coughing, throat discomfort, and chest tightness.
Short-term exposure may also result in headache, dizziness, and nausea due to central nervous system effects.
High concentrations can impair coordination and increase the risk of workplace accidents.
Direct skin contact with EMA (Ethyl Methacrylate) can cause irritation, redness, and dryness, especially with prolonged exposure.
Because it can penetrate the skin, systemic absorption may occur if protective gloves are not used.
Repeated exposure can lead to dermatitis and increased skin sensitivity.
Eye contact with EMA (Ethyl Methacrylate) can cause strong irritation, burning sensation, and excessive tearing.
