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Isobutyl 2-methylacrylate is an organic compound that belongs to the family of methacrylate esters, which are widely used in polymer and coating industries due to their reactive vinyl group and hydrophobic properties.
Isobutyl 2-methylacrylate is the isobutyl ester of methacrylic acid, meaning it is formed through the esterification of methacrylic acid with isobutanol.
Isobutyl 2-methylacrylate is subjected to heat for prolonged periods or becomes contaminated, Isobutyl 2-methylacrylate is subject to polymerization.
CAS Number: 97-86-9
Molecular Formula: C8H14O2
Molecular Weight: 142.2
EINECS Number: 202-613-0
Synonyms: Isobutyl 2-methylacrylate, 97-86-9, 2-methylpropyl 2-methylprop-2-enoate, 2-Propenoic acid, 2-methyl-, 2-methylpropyl ester, Methacrylic acid, isobutyl ester, Isobutyl 2-methyl-2-propenoate, 2-METHYLPROPYL METHACRYLATE, Methacrylic Acid Isobutyl Ester, NSC 18607, Isobutylester kyseliny methakrylove, Isobutyl .alpha.-methacrylate, Isobutyl .alpha.-methylacrylate, DTXSID3025461, V11534UYZ0, NSC-18607, Isobutyl 2-methylacrylate (stabilized with HQ), Isobutyl 2-methylacrylate, DTXCID505461, MFCD00008931, Isobutyl alpha-methacrylate, CAS-97-86-9, Isobutyl alpha-methylacrylate, CCRIS 4829, HSDB 5312, EINECS 202-613-0, UN2283, 2-Methylpropyl 2-methyl-2-propenoate, BRN 1747595, Propenoic acid, 2-methyl, isobutyl ester, UNII-V11534UYZ0, Isobutylester kyseliny methakrylove [Czech], Blemmer IBMA, Isobutylmethacrylate, i-butyl methacrylate, iso-butyl methacrylate, EC 202-613-0, Isobutyl 2-methylacrylate #, Isobutyl 2-methylacrylate, 97%, SCHEMBL24562, MLS002152907, Isobutyl 2-methylacrylate, inhibited, CHEMBL1453087, HMS3039B08, NSC18607, Isobutyl 2-methylacrylate [HSDB], Tox21_201568, Tox21_303327, BBL010919, MFCD00084435, STK801852, AKOS005622614, UN 2283, NCGC00091087-01, NCGC00091087-02, NCGC00256982-01, NCGC00259117-01, WLN: 1Y1 & 1OVY1 & U1, SMR001224512, VS-02749, Isobutyl 2-methylacrylate, (stabilized with HQ), M0132, NS00001412, Q27291392, Isobutyl 2-methylacrylate, inhibited [UN2283] [Flammable liquid], InChI=1/C8H14O2/c1-6(2)5-10-8(9)7(3)4/h6H,3,5H2,1-2,4H., 2-METHYL-ACRYLIC ACID ISOBUTYL ESTER;ISO-BUTYL NETHACRYLATE;Isobutyl 2-methylacrylate;METHACRYLIC ACID ISOBUTYL ESTER;2-methyl-2-propenoicaci2-methylpropylester;2-methyl-2-propenoicacid,2-methylpropylester;2-Methylpropyl methacrylate;2-methylpropylmethacrylate
Isobutyl 2-methylacrylate is a colorless liquid with a flash point of 120°F.
When heated to high temperatures Isobutyl 2-methylacrylate may release acrid smoke and fumes.
If the polymerization takes place inside a container, the container may violently rupture.
Isobutyl 2-methylacrylate vapors are heavier than air.
Isobutyl 2-methylacrylate may be irritating to skin and eyes and produce a narcotic effect.
Isobutyl 2-methylacrylate is used in making acrylic resins.
Isobutyl 2-methylacrylates molecular formula is C8H14O2, and it appears as a clear, colorless liquid with a characteristic ester-like odor.
Isobutyl 2-methylacrylate is particularly valued for its ability to polymerize easily under heat or with the use of free-radical initiators, forming thermoplastic polymers that are flexible, durable, and resistant to UV radiation and water.
These properties make Isobutyl 2-methylacrylate a suitable monomer or comonomer in the production of acrylic resins, adhesives, sealants, and protective coatings.
Isobutyl 2-methylacrylate is a colorless liquid with a ash point of 120°F.
When heated to high temperatures it may release acrid smoke and fumes.
If Isobutyl 2-methylacrylate is subjected to heat for prolonged periods or becomes contaminated, it is subject to polymerization.
If the polymerization takes place inside a container, the container may violently rupture.
The vapors of Isobutyl 2-methylacrylate are heavier than air.
Isobutyl 2-methylacrylate may be irritating to skin and eyes and produce a narcotic eect.
Isobutyl 2-methylacrylate is used in making acrylic resins.
Isobutyl 2-methylacrylate is produced by the esterification or transesterification of isobutyl alcohol with either methacrylic acid or methyl methacrylate .
Isobutyl 2-methylacrylate is allowed to store butyl methacrylate in a hermetically sealed steel container.
Isobutyl 2-methylacrylate is transported by road and rail in covered vehicles and in aluminum and special steel road and rail tanks in accordance with the rules for the carriage of goods in force on this type of transport.
Isobutyl 2-methylacrylate in bottles and steel containers is transported only by road.
Isobutyl 2-methylacrylate is allowed to transport the product in steel containers in open vehicles.
By rail, butyl methacrylate in barrels is transported by wagon shipments.
The degree (level) of lling of tanks is calculated taking into account the full use of their capacity and volume expansion of the product with a possible temperature dierence along the route.
When used in manufacturing environments, adequate ventilation, explosion-proof equipment, and personal protective measures are essential.
Repeated or prolonged exposure to the liquid or its vapors can cause skin irritation, eye discomfort, and respiratory symptoms in sensitive individuals, necessitating proper handling and safety protocols in the workplace.
Melting point: -37 °C
Boiling point: 155 °C (lit.)
Density: 0.886 g/mL at 25 °C (lit.)
Vapor density: 3.82 (vs air)
Vapor pressure: 3.5 mm Hg (20 °C)
Refractive index: n₂₀/D 1.420 (lit.)
Flash point: 107 °F
Storage temp.: 2–8 °C
Form: Liquid
Color: Clear colorless
Odor: Ether-like odor
Viscosity: 1.01 mm²/s
Water solubility: Soluble in water at 20 °C, 2 g/L
BRN: 1747595
Stability: Light, heat and air sensitive. Polymerizes readily. Combustible. Incompatible with strong oxidizing agents.
LogP: 2.95 at 20 °C
Isobutyl 2-methylacrylate is an ester. Esters react with acids to liberate heat along with alcohols and acids.
Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products.
Heat is also generated by the interaction of esters with caustic solutions.
Flammable hydrogen is generated by mixing esters with alkali metals and hydrides.
Isobutyl 2-methylacrylate polymerizes readily.
Its bulky isobutyl group contributes to the polymer's flexibility and impact resistance, which is why it is often used in formulations that require softness, low glass transition temperatures, and toughness, such as automotive paints, flexible packaging coatings, and pressure-sensitive adhesives.
Because of its low surface tension and good compatibility with other acrylates and methacrylates, it blends well in copolymer systems, allowing manufacturers to tailor properties like viscosity, adhesion, and weather resistance in end products.
However, due to its flammable nature and potential for skin and eye irritation, it must be handled with care in well-ventilated environments and with proper personal protective equipment.
Isobutyl 2-methylacrylate—also known as Isobutyl 2-methylacrylate—is a volatile, flammable liquid that plays a key role in the development of specialty polymers and resins.
As a derivative of methacrylic acid, this compound incorporates a branched isobutyl side chain which significantly influences the flexibility, softness, and impact resistance of the polymers it helps form.
Its chemical structure includes a vinyl group that participates in free-radical polymerization, making it highly reactive and suitable for creating homopolymers and copolymers.
These copolymers are used in diverse fields, ranging from automotive topcoats and plastic surface finishes to textile coatings and construction sealants.
One of the notable features of isobutyl 2-methylacrylate is its ability to lower the glass transition temperature (Tg) of polymers.
When incorporated into acrylic copolymers, it enhances the elasticity and durability of the final product, particularly under variable temperature conditions.
This property is crucial for materials that must remain flexible and resilient over time, such as outdoor paints, weatherproof membranes, and elastomeric roof coatings.
In addition to its use in coatings, Isobutyl 2-methylacrylate is also employed in the production of adhesives and pressure-sensitive tapes, where its tackiness and adhesion properties are especially valuable.
Its compatibility with other acrylic monomers like methyl methacrylate (MMA) and butyl acrylate enables it to be used in fine-tuned formulations for specific industrial applications, such as UV-curable coatings, plastisols, and inks.
Another advantage of isobutyl 2-methylacrylate is its relatively low water solubility and high chemical resistance, which translates into polymers that are moisture-resistant and chemically stable—qualities that are critical in protective finishes for metals, plastics, and construction surfaces.
However, despite its industrial usefulness, it is not without risks.
The liquid is considered highly flammable, and its vapors can form explosive mixtures with air.
In addition, due to its reactive double bond, it is typically sold stabilized with hydroquinone (HQ) or other polymerization inhibitors to prevent unwanted polymerization during storage or shipping.
Uses Of Isobutyl 2-methylacrylate:
Isobutyl 2-methylacrylate is used in the manufacture of containing active hydroxyl acrylic resin.
Coatings with epoxy resin, diisocyanate and melamine formaldehyde resin configuration used for preparing a two-component coating.
In oil industry as additives for lubricating oil washing.
In electronics industry used as electron microscope to take off the water.
Textile industry used in the manufacture of adhesive fabric. Used as chemical reagents in analytical chemistry.
In addition, also used for water immiscible embedding agent, used in the synthesis of medical polymer materials, thermosetting coatings and adhesives.
Textile industry used in the manufacture of adhesive fabric.
Isobutyl 2-methylacrylate is used as chemical reagents in analytical chemistry.
In addition, also used for water immiscible embedding agent, used in the synthesis of medical polymer materials, thermosetting coatings and adhesives.
Isobutyl 2-methylacrylate is monomer for acrylic resins.
Isobutyl 2-methylacrylate is produced by the esterication or transesterication of isobutyl alcohol with either methacrylic acid or methyl methacrylate.
Isobutyl 2-methylacrylate is ammable.
Isobutyl 2-methylacrylate is sensitive to heat, air and light.
Isobutyl 2-methylacrylate is an ester.
Esters react with acids to liberate heat along with alcohols and acids.
Strong oxidizing acids may cause a vigorous reaction that is suciently exothermic to ignite the reaction products.
Heat is also generated by the interaction of esters with caustic solutions.
Flammable hydrogen is generated by mixing esters with alkali metals and hydrides.
Isobutyl 2-methylacrylate polymerizes readily.
Isobutyl 2-methylacrylate is used in the following products: polymers.
Release to the environment of Isobutyl 2-methylacrylate can occur from industrial use: formulation of mixtures and formulation in materials.
Isobutyl 2-methylacrylate is used in the following products: polymers.
Isobutyl 2-methylacrylate is used in the following areas: offshore mining.
Isobutyl 2-methylacrylate is used for the manufacture of: plastic products.
Release to the environment of Isobutyl 2-methylacrylate can occur from industrial use: for thermoplastic manufacture, in the production of articles and as an intermediate step in further manufacturing of another substance (use of intermediates).
Release to the environment of Isobutyl 2-methylacrylate can occur from industrial use: manufacturing of the substance.
Isobutyl 2-methylacrylate is also used to modify various thermoplastic polymers, improving their impact resistance, processability, and clarity.
These modified plastics are used in the production of packaging materials, consumer goods, and certain automotive components, especially where toughness and weatherability are essential.
Isobutyl 2-methylacrylate is widely used as a monomer in the manufacture of flexible acrylic copolymers, which are valued for their low glass transition temperatures and rubbery characteristics.
These properties make the resulting materials ideal for use in elastomeric coatings, rubber-like sealants, and soft adhesives that must remain pliable even under cold or fluctuating temperatures.
Because of its ability to form durable and weather-resistant films, isobutyl 2-methylacrylate is frequently incorporated into architectural coatings, automotive paints, and industrial finishes, where it contributes to the resistance against UV degradation, moisture, and mechanical wear.
Isobutyl 2-methylacrylate enhances the overall adhesion, gloss retention, and flexibility of the paint or coating system.
Isobutyl 2-methylacrylate is a key ingredient in the production of pressure-sensitive adhesives (PSAs), particularly in tapes, labels, and protective films, where a balance of tackiness, peel strength, and softness is required.
Its branched alkyl structure helps the adhesive remain permanently tacky, even after long exposure to air and light.
Health Hazard Of Isobutyl 2-methylacrylate:
May be harmful if inhaled; may cause dizziness or suffocation.
Irritating to skin and eyes. Harmful if swallowed.
Isobutyl 2-methylacrylate is classified as a flammable liquid, which means it can easily ignite when exposed to open flames, sparks, or high temperatures.
Its vapors are heavier than air and may travel along surfaces to distant ignition sources, posing a significant fire and explosion risk in poorly ventilated areas.
Inhalation of vapors can cause respiratory tract irritation, leading to symptoms such as coughing, sore throat, or shortness of breath, especially in enclosed spaces or during prolonged exposure.
At high concentrations, the vapors may also cause dizziness, headaches, or nausea, making proper ventilation and respiratory protection important in workplaces handling this chemical.
Direct contact with the liquid can result in skin irritation, characterized by redness, dryness, or itching.
Isobutyl 2-methylacrylate can also cause moderate to severe eye irritation, which may include burning, tearing, or blurred vision.
Prolonged or repeated skin exposure may lead to dermatitis due to the compound’s ability to degrease the skin.
