Maleic Acid Dibutyl Ester DBM is an unsaturated dicarboxylic acid ester produced by esterification of maleic acid or maleic anhydride with n-butanol.
Maleic Acid Dibutyl Ester DBM is a clear, nearly colorless liquid combining two ester groups with a reactive cis carbon-carbon double bond.
Maleic Acid Dibutyl Ester DBM combination allows it to function both as a plasticizing ester and as a reactive chemical intermediate in polymers, coatings, adhesives, surfactants and specialty organic synthesis.
CAS Number: 105-76-0
Molecular Formula: C12H20O4
Molecular Weight: 228.28 g/mol
EINECS Number: 203-328-4
Synonyms: Maleic Acid Dibutyl Ester DBM, Dibutyl Maleate, DBM, Di-n-Butyl Maleate, Maleic Acid Dibutyl Ester, Maleic Dibutyl Ester, Dibutyl cis-Butenedioate, Dibutyl (Z)-But-2-enedioate, Dibutyl (2Z)-But-2-enedioate, 2-Butenedioic Acid Dibutyl Ester, 2-Butenedioic Acid (Z)-Dibutyl Ester, Butyl Maleate, Maleinsäure-Dibutylester, Maleinsäure-di-n-butylester, RC Comonomer DBM, Staflex DBM.
Maleic Acid Dibutyl Ester DBM belongs to the unsaturated aliphatic diester family.
Maleic Acid Dibutyl Ester DBM each end of the maleate structure contains a carboxyl group esterified with normal butanol.
The resulting molecule contains both hydrophobic butyl chains and polar ester functionality.
Maleic Acid Dibutyl Ester DBM is chemically identified as dibutyl maleate.
Maleic Acid Dibutyl Ester DBM molecular structure contains two n-butyl ester groups attached to the cis double bond of maleic acid.
The unsaturated center gives DBM substantially greater chemical versatility than fully saturated dibasic esters used only as conventional plasticizers.
Maleic Acid Dibutyl Ester DBM double bond can participate in copolymerization and addition reactions.
This allows Maleic Acid Dibutyl Ester DBM to become chemically incorporated into selected polymer chains rather than remaining exclusively as a physically dissolved additive.
Such reactive incorporation can provide permanent or semi-permanent internal plasticization depending on polymer composition and conversion.
Maleic Acid Dibutyl Ester DBM can also function as a conventional external plasticizer in compatible resin and elastomer systems.
The flexible butyl ester groups reduce intermolecular attraction and increase segmental mobility in suitable polymers.
Plasticizing efficiency depends on polymer polarity, DBM concentration, service temperature and resistance to migration or extraction.
This balance gives Maleic Acid Dibutyl Ester DBM good compatibility with numerous organic liquids and polymeric binders.
Maleic Acid Dibutyl Ester DBM is miscible with solvents such as methanol, ethanol, acetone, diethyl ether, dimethylformamide and toluene.
Maleic Acid Dibutyl Ester DBM solubility in water is very limited because the two butyl groups dominate the overall hydrophobic character of the molecule.
The carbon-carbon double bond is one of the most important structural features of Maleic Acid Dibutyl Ester DBM.
Unlike saturated esters such as dibutyl adipate, DBM retains a reactive olefinic site between the two ester-substituted carbon atoms.
The electron-withdrawing ester groups also influence the reactivity of this double bond toward radicals, nucleophiles and conjugated dienes.
Maleic Acid Dibutyl Ester DBM can therefore be used as a reactive comonomer.
Maleic Acid Dibutyl Ester DBM maleate functionality can participate in radical copolymerization with suitable vinyl monomers under appropriate reaction conditions.
Incorporation of flexible dibutyl maleate units can alter glass-transition temperature, flexibility, adhesion and film properties of the resulting copolymer.
Maleic Acid Dibutyl Ester DBM is particularly useful where plasticization is required without relying entirely on a freely migrating external plasticizer.
When incorporated into a polymer chain, the maleate ester becomes part of the macromolecular structure.
This approach is commonly described as internal plasticization.
Maleic Acid Dibutyl Ester DBM internal plasticization can improve retention of flexibility over time.
A physically blended external plasticizer can migrate, evaporate or be extracted from some polymer matrices under severe service conditions.
A chemically incorporated Maleic Acid Dibutyl Ester DBM unit is much less free to leave the polymer because it is covalently attached to the chain.
Maleic Acid Dibutyl Ester DBM is also a useful dienophile in Diels–Alder reactions.
The two ester groups activate the maleate double bond toward cycloaddition with conjugated dienes.
Maleic Acid Dibutyl Ester DBM provides access to cyclic intermediates that can be further transformed into specialty chemicals and functional materials.
Maleic Acid Dibutyl Ester DBM hydrogenation of the unsaturated bond converts the maleate structure into the corresponding succinate-type structure.
Other addition and derivatization reactions can likewise use the double bond as a synthetic handle.
Maleic Acid Dibutyl Ester DBM therefore serves as an intermediate rather than merely a performance additive.
Maleic Acid Dibutyl Ester DBM groups can also participate in transesterification or hydrolysis under sufficiently strong chemical conditions.
Acidic or alkaline hydrolysis can ultimately regenerate maleic-acid-derived functionality and butanol-related products.
Storage and formulation conditions should therefore avoid unnecessarily severe hydrolytic environments unless reaction is intentional.
Maleic Acid Dibutyl Ester DBM is a relatively low-viscosity liquid at room temperature.
This facilitates pumping, metering, mixing and dispersion into resins or reaction media.
Maleic Acid Dibutyl Ester DBM low-temperature fluidity is particularly useful in systems where solid maleates or higher-molecular-weight plasticizers would require heating.
Maleic Acid Dibutyl Ester DBM has a boiling point around 280–281 °C at atmospheric pressure.
This relatively high boiling point results in much lower volatility than ordinary coating solvents such as acetone, ethanol or butyl acetate.
Maleic Acid Dibutyl Ester DBM therefore tends to remain within a polymer or coating film rather than evaporating rapidly during drying.
The low vapor pressure also supports controlled processing.
Representative data indicate a vapor pressure far below 1 hPa at room temperature.
This reduces evaporative loss but does not eliminate the need for ventilation when the material is heated or aerosolized.
Maleic Acid Dibutyl Ester DBM has a density close to 0.99 g/cm3 at room temperature.
Maleic Acid Dibutyl Ester DBM density is therefore close to that of water even though the two liquids are only sparingly mutually soluble.
Accurate mass-based dosing is recommended for polymerization and synthesis because reaction stoichiometry can be sensitive to feed composition.
The refractive index is typically approximately 1.443–1.447 at 20 °C.
This value is useful as a routine identity and incoming quality-control parameter.
Maleic Acid Dibutyl Ester DBM a substantial deviation can indicate contamination, incorrect material or abnormal composition.
Maleic Acid Dibutyl Ester DBM freezing point is extremely low.
Representative data place the melting point around -85 °C, meaning Maleic Acid Dibutyl Ester DBM remains fluid under very cold storage conditions.
This gives the material excellent low-temperature handling characteristics.
The flash point is substantially higher than that of volatile coating solvents.
Commercial and laboratory sources report flash points around 120–138 °C depending on test method and grade.
Maleic Acid Dibutyl Ester DBM should therefore be regarded as a combustible organic liquid rather than a highly volatile flammable solvent.
Maleic Acid Dibutyl Ester DBM water solubility is low.
Reported values are in the sub-gram-per-liter range at room temperature and confirm that DBM is essentially an organic-phase material.
Aqueous formulations therefore require emulsifiers, dispersants or incorporation through an emulsion-polymerization process rather than relying on simple dissolution.
Physical Form: Liquid
Appearance: Clear colorless to light-yellow liquid
Chemical Family: Unsaturated Dicarboxylic Acid Diester
Chemical Name: Dibutyl Maleate
IUPAC Name: Dibutyl (Z)-but-2-enedioate
CAS Number: 105-76-0
Molecular Formula: C12H20O4
Molecular Weight: 228.28 g/mol
Density: approximately 0.99 g/cm3 at 20–25 °C
Boiling Point: approximately 280–281 °C
Melting Point: approximately -85 °C
Flash Point: approximately 120–138 °C depending on method
Refractive Index: approximately 1.443–1.447 at 20 °C
Vapor Pressure: very low at room temperature
Water Solubility: Slight / very limited
Organic Solvent Compatibility: Miscible with many common organic solvents
Odor: Mild characteristic ester-like odor
Ionic Character: Nonionic
Reactive Functionality: Activated carbon-carbon double bond and two ester groups
Primary Functions: Reactive intermediate, comonomer, plasticizer and resin modifier
The activated double bond differentiates Maleic Acid Dibutyl Ester DBM from many conventional plasticizers.
Dibutyl adipate, dioctyl adipate and similar saturated esters cannot participate readily in the same radical or Diels–Alder chemistry.
Maleic Acid Dibutyl Ester DBM therefore occupies a useful position between a functional monomer and a flexible ester additive.
Maleic Acid Dibutyl Ester DBM should also be distinguished from dibutyl fumarate.
Both compounds have the same molecular formula but differ in the geometry around the carbon-carbon double bond.
Maleic Acid Dibutyl Ester DBM is the cis or maleate isomer, while dibutyl fumarate is the trans isomer.
Maleic Acid Dibutyl Ester DBM geometric difference affects physical properties and chemical behavior.
Cis substitution places the two ester groups on the same side of the double bond and creates different steric and electronic characteristics from the fumarate form.
Formulations or reactions developed for DBM should therefore not automatically substitute dibutyl fumarate without validation.
Purity is important when Maleic Acid Dibutyl Ester DBM is used in polymerization.
Residual maleic acid, butanol, water or other impurities can influence reaction rate, molecular weight and final polymer properties.
The Certificate of Analysis should therefore be reviewed when the material functions as a reactive monomer rather than only as a minor plasticizer.
Maleic Acid Dibutyl Ester DBM water content is especially important in moisture-sensitive chemistry.
Polyurethane, isocyanate and other reactive systems can respond strongly to small quantities of water.
A Maleic Acid Dibutyl Ester DBM grade intended for such use should therefore be qualified against the required water specification.
Maleic Acid Dibutyl Ester DBM acid value is another useful quality parameter.
Residual free maleic acid or other acidic material increases acid value and can influence catalysts, polymerization stability or storage performance.
Low and consistent acid value supports reproducible use in coatings, resins and adhesives.
Maleic Acid Dibutyl Ester DBM color also matters in pale coatings and transparent polymers.
A clear colorless-to-light-yellow DBM grade minimizes unwanted discoloration in the finished material.
Strong color can indicate degradation, oxidation or contamination and should be investigated before use.
Current ECHA records also show that Dibutyl Maleate remains subject to regulatory dossier activity.
Maleic Acid Dibutyl Ester DBM reinforces the need to use current rather than historical toxicology and classification documents.
Commercial website text should avoid presenting old hazard labels as permanently settled regulatory conclusions.
Finished polymers containing reacted Maleic Acid Dibutyl Ester DBM can have a very different exposure profile from the free monomer.
Once chemically incorporated into a high-molecular-weight polymer, mobility and direct exposure can decrease substantially.
Residual unreacted DBM should nevertheless be controlled when migration, worker exposure or sensitive applications are relevant.
Maleic Acid Dibutyl Ester DBM food-contact or cheese-coating applications require specific regulatory qualification.
The fact that DBM has been used as an intermediate in such coatings does not establish unrestricted direct food-contact use of free Dibutyl Maleate.
The final polymer, residual monomer content and migration must comply with the applicable jurisdiction.
Maleic Acid Dibutyl Ester DBM same principle applies to medical, cosmetic and pharmaceutical applications.
Chemical identity alone does not establish suitability for sensitive regulated markets.
Grade purity, residuals, manufacturing controls and end-use regulations must be evaluated separately.
Maleic Acid Dibutyl Ester DBM current Safety Data Sheet should take precedence for personal protective equipment, storage, transport, firefighting, spill response and disposal.
Technical Data Sheet and Certificate of Analysis documentation should be reviewed separately for purity, density, refractive index, color, water and acid value.
Maleic Acid Dibutyl Ester DBM raw-material approval should therefore consider both the chemical reactivity and the required final application performance.
Uses Of Maleic Acid Dibutyl Ester DBM:
Maleic Acid Dibutyl Ester DBM is widely used as a chemical intermediate and functional monomer in the production of coatings, adhesives, copolymers and films.
Maleic Acid Dibutyl Ester DBM principal advantage is the combination of a polymerizable maleate double bond with flexible n-butyl ester groups.
This allows Maleic Acid Dibutyl Ester DBM to modify polymer architecture while simultaneously introducing flexibility and hydrophobic character.
Maleic Acid Dibutyl Ester DBM paint and coating resins represent one of the most established applications.
Maleic Acid Dibutyl Ester DBM can be copolymerized with appropriate vinyl monomers to modify film flexibility, adhesion and glass-transition behavior.
Its use is particularly valuable when internal plasticization is preferred over dependence on a freely migrating external plasticizer.
Maleic Acid Dibutyl Ester DBM vinyl acetate copolymers are an important example.
Maleic Acid Dibutyl Ester DBM can participate in emulsion copolymerization with vinyl acetate and become incorporated directly into the polymer chain.
The flexible maleate units can reduce film brittleness and improve film-forming characteristics.
Maleic Acid Dibutyl Ester DBM has historically been used in paint-base polymers.
Vinyl acetate provides a relatively rigid polymer backbone, while dibutyl maleate introduces more flexible segments.
The resulting copolymer can produce films with improved flexibility compared with unmodified polyvinyl acetate systems.
Maleic Acid Dibutyl Ester DBM internal plasticization is especially useful in coating films.
External plasticizers can migrate toward the surface or be extracted during long-term exposure to solvents, detergents or heat.
Covalently incorporated DBM units reduce this particular migration mechanism.
Waterborne coatings can employ Maleic Acid Dibutyl Ester DBM through emulsion-polymerization routes.
The monomer is emulsified into the aqueous reaction medium with surfactants and incorporated into growing polymer particles.
After application, the latex particles coalesce to produce a continuous film containing the DBM-derived units.
Maleic Acid Dibutyl Ester DBM architectural paints can benefit from improved flexibility.
A brittle film can crack as the substrate moves or as temperature changes cause expansion and contraction.
Incorporated flexible ester units can help reduce film stress within appropriately designed copolymer systems.
Maleic Acid Dibutyl Ester DBM industrial coatings can use the same principle.
Metal, wood and plastic substrates may require a balance between hardness and flexibility rather than maximum hardness alone.
Maleic Acid Dibutyl Ester DBM provides one route to adjust this balance at the polymer-design stage.
Maleic Acid Dibutyl Ester DBM adhesives represent another major application.
Maleic Acid Dibutyl Ester DBM can serve as an intermediate or comonomer in polymers designed to provide flexible adhesive films.
Maleic Acid Dibutyl Ester DBM ester functionality and hydrophobic butyl groups can modify tack, flexibility, adhesion and compatibility with other adhesive components.
Maleic Acid Dibutyl Ester DBM pressure-sensitive adhesive polymers can require carefully controlled glass-transition temperature.
A polymer that is too hard may show poor tack, while a polymer that is too soft can lose cohesive strength.
Reactive incorporation of flexible monomers such as DBM can help adjust this property balance.
Packaging adhesives can also use Maleic Acid Dibutyl Ester DBM-modified polymer chemistry.
Flexible films and laminates require adhesive layers capable of tolerating bending without cracking.
Maleic Acid Dibutyl Ester DBM final suitability depends on polymer composition, food-contact requirements and migration specifications.
Maleic Acid Dibutyl Ester DBM construction adhesives can similarly benefit from flexible polymer architecture.
Movement between substrates creates stress that rigid adhesive films may not tolerate.
Maleic Acid Dibutyl Ester DBM-derived segments can contribute to flexibility when incorporated into suitable binder chemistry.
Maleic Acid Dibutyl Ester DBM is also used in film-forming polymers.
The flexible ester-containing structure can reduce brittleness in polymer films and modify elongation.
Applications range from protective films to specialty polymer coatings depending on the complete monomer system.
Cheese coatings are another documented application associated with Maleic Acid Dibutyl Ester DBM-containing materials.
Flexible polymeric protective films can be used around cheese to regulate surface exposure and protect the product during maturation.
Any food-contact use requires the specific polymer and formulation to satisfy the applicable regulatory requirements.
Maleic Acid Dibutyl Ester DBM can function as a plasticizer in compatible polymers.
The molecule increases free volume and polymer-chain mobility and can thereby lower stiffness.
The effectiveness depends strongly on whether DBM remains physically blended or becomes chemically incorporated.
Maleic Acid Dibutyl Ester DBM plasticized cellulose derivatives can use maleate ester chemistry.
Flexible ester molecules can reduce brittleness and improve film formation in suitable cellulose-based materials.
Compatibility and migration should be evaluated because the ester remains mobile when it is not chemically reacted.
Maleic Acid Dibutyl Ester DBM vinyl polymers can also be plasticized with Maleic Acid Dibutyl Ester DBM.
The ester structure provides compatibility with several polar vinyl-based resins.
The presence of the double bond provides additional reactive options not available with fully saturated plasticizers.
Maleic Acid Dibutyl Ester DBM synthetic rubber can use dibutyl maleate or related maleate esters as modifiers or plasticizing intermediates.
The low-temperature fluidity can contribute to flexible processing and low-temperature material behavior.
Rubber compatibility should be tested carefully because extraction resistance varies considerably between elastomer families.
Maleic Acid Dibutyl Ester DBM is also an important intermediate in surfactant chemistry.
Addition of sulfite or bisulfite chemistry across maleate-derived structures provides access to sulfosuccinate surfactants.
Sulfosuccinates are widely used as powerful wetting and surface-active agents.
Maleic Acid Dibutyl Ester DBM double bond is central to this transformation.
A bisulfite-derived sulfonate group can be introduced across the unsaturated maleate structure to form highly surface-active sulfosuccinate derivatives.
Maleic Acid Dibutyl Ester DBM chemistry provides an industrial route from maleic-acid esters to wetting agents used in detergents, coatings and specialty formulations.
Maleic Acid Dibutyl Ester DBM different alcohol groups on the maleate ester produce different sulfosuccinate structures.
Dibutyl maleate therefore gives a different balance of hydrophobicity and surface activity from dioctyl maleate or other homologues.
The chosen ester determines important properties of the resulting surfactant.
Maleic Acid Dibutyl Ester DBM detergent manufacturing can use these downstream sulfosuccinate intermediates.
Sulfosuccinates can provide excellent wetting and dispersing performance and are used in numerous cleaning and industrial applications.
Maleic Acid Dibutyl Ester DBM is therefore relevant upstream even when it does not appear in the final detergent composition.
Maleic Acid Dibutyl Ester DBM textile processing also uses sulfosuccinate-derived wetting agents.
Rapid penetration of aqueous liquor into fibers is important in dyeing, scouring and finishing operations.
Maleic Acid Dibutyl Ester DBM-derived intermediates can contribute to the manufacture of surfactants used for this purpose.
Maleic Acid Dibutyl Ester DBM agricultural formulations can employ related wetting agents.
Efficient coverage of hydrophobic plant surfaces requires substantial reduction in surface tension.
Suitability of any DBM-derived surfactant must be established according to the regulatory requirements of the intended agrochemical product.
Maleic Acid Dibutyl Ester DBM diels–Alder chemistry represents another important use.
Maleic Acid Dibutyl Ester DBM functions as an electron-deficient dienophile toward conjugated dienes.
Cycloaddition creates functionalized cyclic products that can serve as intermediates in resin, pharmaceutical and fine-chemical synthesis.
Maleic Acid Dibutyl Ester DBM cyclopentadiene is one representative diene capable of reacting with activated maleates.
The resulting norbornene-type structures retain ester functionality available for subsequent transformation.
Such chemistry is useful where complex cyclic structures must be built efficiently.
Maleic Acid Dibutyl Ester DBM butadiene derivatives can likewise participate in cycloaddition chemistry.
The maleate provides two ester substituents in the resulting ring system.
These groups can subsequently undergo hydrolysis, reduction, amidation or transesterification.
Maleic Acid Dibutyl Ester DBM hydrogenation is another transformation.
Saturation of the carbon-carbon double bond converts Maleic Acid Dibutyl Ester DBM into a succinic-acid-derived ester structure.
This route can be useful for preparing downstream dibasic esters and specialty synthetic intermediates.
Maleic Acid Dibutyl Ester DBM reduction of ester functionality provides additional synthetic possibilities.
Controlled reduction can generate alcohol-containing intermediates useful in polymer and specialty chemical synthesis.
The exact product depends on catalyst and reduction conditions.
Maleic Acid Dibutyl Ester DBM transesterification is also possible.
The butyl groups can be exchanged for alternative alcohol-derived groups under suitable catalytic conditions.
Maleic Acid Dibutyl Ester DBM can therefore serve as a precursor to different maleate ester structures rather than always being used directly.
Maleic Acid Dibutyl Ester DBM hydrolysis can regenerate maleic-acid functionality.
Maleic Acid Dibutyl Ester DBM reaction is relevant mainly in chemical processing rather than during normal storage.
Strong acid or base, elevated temperature and water can accelerate ester cleavage.
Maleic Acid Dibutyl Ester DBM can also participate in thiol–ene-type addition chemistry under suitable conditions.
Sulfur-containing nucleophiles or radicals can add across activated unsaturated bonds depending on reaction design.
Maleic Acid Dibutyl Ester DBM provides routes to functional organosulfur compounds and polymer modifiers.
Maleic Acid Dibutyl Ester DBM amine addition is another possible reaction pathway.
The electron-poor maleate double bond can undergo conjugate addition with suitable nucleophiles.
Such Michael-type chemistry can be exploited in specialty synthesis and reactive formulation systems.
Maleic Acid Dibutyl Ester DBM can therefore be described as a reactive diluent in selected systems.
Maleic Acid Dibutyl Ester DBM can reduce viscosity while retaining the possibility of chemical incorporation during subsequent polymerization or reaction.
This distinguishes reactive dilution from conventional solvent dilution in which the diluent must later evaporate.
Maleic Acid Dibutyl Ester DBM reactive diluents can help increase formulation solids.
Reducing viscosity without introducing a fully volatile solvent allows higher nonvolatile content in compatible coating or resin systems.
The usefulness of DBM depends on whether its reaction rate is sufficiently matched to the principal resin chemistry.
Maleic Acid Dibutyl Ester DBM unsaturated polyester-related chemistry can also use maleate esters as reactive modifiers and intermediates.
Maleate functionality is well known in polyester and free-radical cure chemistry because the activated double bond can participate in network formation.
Maleic Acid Dibutyl Ester DBM itself is more commonly used as an intermediate or modifier than as the principal unsaturated polyester building block.
Alkyd and specialty resin manufacture can use Maleic Acid Dibutyl Ester DBM or its derivatives.
Maleic Acid Dibutyl Ester DBM ester functionality contributes flexibility, while the double bond offers additional opportunities for chemical modification.
The exact role depends on resin architecture and whether DBM is incorporated before or after primary polymer formation.
Coating additives derived from Maleic Acid Dibutyl Ester DBM can improve wetting or film formation.
This may be achieved through chemical derivatization rather than direct addition of unreacted DBM.
The distinction between using Maleic Acid Dibutyl Ester DBM itself and using a downstream DBM derivative should therefore remain clear in technical descriptions.
Maleic Acid Dibutyl Ester DBM printing-ink resins can also use maleate-derived polymer chemistry.
Flexible binder architecture supports adhesion to substrates that bend or deform during printing and converting.
Maleic Acid Dibutyl Ester DBM can serve as a reactive intermediate in production of suitable resin systems.
Maleic Acid Dibutyl Ester DBM overprint varnishes may similarly require flexible clear films.
Reactive maleate units can modify film hardness and elongation when incorporated into the binder.
Final performance depends on polymer molecular weight, crosslinking and substrate interaction.
Maleic Acid Dibutyl Ester DBM leather coatings can require flexible polymer films.
A rigid coating can crack during repeated bending of leather.
Maleic Acid Dibutyl Ester DBM-modified copolymers can contribute flexibility where the complete binder system is designed for this application.
Maleic Acid Dibutyl Ester DBM textile coatings have similar requirements.
Coated fabric must deform repeatedly without losing adhesion or developing brittle cracks.
Internal plasticization using flexible ester-containing comonomers can support this type of performance.
Maleic Acid Dibutyl Ester DBM paper coatings can use flexible binders containing maleate-derived units.
The polymer must adhere to cellulose while tolerating folding and converting operations.
Maleic Acid Dibutyl Ester DBM can therefore be relevant as an upstream comonomer in specialty paper-coating binders.
Maleic Acid Dibutyl Ester DBM may also serve in specialty lubricants or lubricant intermediates.
The ester groups provide lubricity while the double bond allows subsequent functionalization.
Maleic Acid Dibutyl Ester DBM direct use should be evaluated against oxidation stability and material compatibility requirements.
Maleic Acid Dibutyl Ester DBM lubricant additives can be synthesized through addition reactions to the maleate double bond.
Sulfur-, phosphorus- or nitrogen-containing groups may be introduced depending on the target additive.
This makes Maleic Acid Dibutyl Ester DBM valuable as a versatile synthetic intermediate in performance-chemical manufacture.
Polymer dispersions can use Maleic Acid Dibutyl Ester DBM to tailor minimum film-forming temperature.
A flexible comonomer can reduce polymer Tg and allow film formation at lower ambient temperature.
The required concentration depends on the harder comonomers used in the same copolymer.
Maleic Acid Dibutyl Ester DBM lower film-formation temperature can reduce the amount of external coalescent required.
Maleic Acid Dibutyl Ester DBM may improve long-term film hardness because a covalently incorporated soft segment cannot evaporate but also cannot migrate like a traditional plasticizer.
The overall benefit must be balanced against the permanent reduction in polymer hardness.
Maleic Acid Dibutyl Ester DBM can also influence adhesion.
Polar ester groups can contribute interaction with substrates while flexible segments reduce internal stress in the film.
Improved adhesion is most likely when polymer architecture, substrate surface energy and cure conditions are optimized together.
In emulsion polymerization, Maleic Acid Dibutyl Ester DBM feed strategy can influence conversion.
Maleate monomers may have different reactivity ratios from vinyl acetate, acrylates or styrenic monomers.
Controlled feeding can help maintain a more uniform copolymer composition.
Maleic Acid Dibutyl Ester DBM initiator selection is equally important.
Free-radical initiators must generate an adequate polymerization rate without introducing unacceptable color or residual initiator fragments.
Reaction temperature and monomer concentration determine both productivity and molecular-weight distribution.
Incomplete conversion leaves residual Maleic Acid Dibutyl Ester DBM.
Residual monomer can affect odor, migration, safety classification and final film performance.
Polymerization processes should therefore be designed for adequate conversion or include a suitable post-polymerization treatment.
Maleic Acid Dibutyl Ester DBM can also be used for synthesis of specialty amphiphiles.
The double bond and two ester groups provide multiple positions for chemical modification.
This structural flexibility makes DBM useful in surfactant, dispersant and emulsifier development.
Maleic Acid Dibutyl Ester DBM sulfosuccinate route remains especially important commercially.
Bisulfite addition produces a sulfonated dicarboxylate ester capable of strong interfacial activity.
Changing the ester alcohol allows the hydrophobic portion of the resulting surfactant to be tuned for different applications.
Maleic Acid Dibutyl Ester DBM is also useful in research and specialty monomer development.
Its well-defined cis unsaturation makes reaction pathways comparatively straightforward to characterize.
Maleic Acid Dibutyl Ester DBM can therefore serve as a building block for functional copolymers and model addition reactions.
Maleic Acid Dibutyl Ester DBM for technical purchasing, purity should be one of the first parameters reviewed.
Commercial grades are typically supplied as clear, high-purity DBM liquids, while reagent grades may specify purity around 96–97% or higher.
Industrial reaction processes may require tighter limits for water, acid value or residual alcohol than simple plasticizer applications.
Maleic Acid Dibutyl Ester DBM refractive index provides a rapid incoming quality check.
A value around 1.443–1.447 at 20 °C is characteristic of Dibutyl Maleate.
Large deviations can indicate contamination or a different maleate/fumarate composition.
Maleic Acid Dibutyl Ester DBM density can be used similarly.
Representative commercial values around 0.99 g/cm3 provide a convenient identity check and help verify bulk-delivery calculations.
Temperature should always be recorded because density changes with temperature.
Maleic Acid Dibutyl Ester DBM the cis/trans composition can also matter in specialized chemistry.
Dibutyl fumarate has similar basic analytical properties but different molecular geometry and reaction behavior.
Applications depending specifically on maleate reactivity should therefore control isomeric identity.
Maleic Acid Dibutyl Ester DBM storage stability may require inhibitor control in certain reactive grades.
Unsaturated esters can undergo unwanted polymerization under severe heat or radical-generating conditions.
Supplier instructions regarding stabilizers, temperature and storage time should therefore be followed.
The broad application profile of Maleic Acid Dibutyl Ester DBM includes paints, coatings, adhesives, copolymers, films, plasticized polymers, specialty resins, surfactant intermediates and organic synthesis.
Its strongest technical advantage is the simultaneous presence of flexible butyl ester groups and a chemically reactive maleate double bond.
This allows Maleic Acid Dibutyl Ester DBM to function as a plasticizer, internal-plasticizing comonomer and versatile reactive intermediate within the same chemical platform.
Safety Profile Of Maleic Acid Dibutyl Ester DBM:
Maleic Acid Dibutyl Ester DBM is a combustible organic liquid and should be handled using appropriate industrial chemical controls.
Maleic Acid Dibutyl Ester DBM low vapor pressure reduces routine vapor exposure at room temperature, but skin contact, heated-process exposure and mist formation remain important occupational considerations.
The current supplier-specific Safety Data Sheet should always be used for final classification and risk-management requirements.
Maleic Acid Dibutyl Ester DBM is recognized as a skin sensitization concern in current commercial hazard classifications.
Repeated or susceptible-person exposure can produce an allergic skin response even when immediate irritation appears limited.
Direct skin contact should therefore be minimized through suitable gloves and protective clothing.
Maleic Acid Dibutyl Ester DBM some current SDS classifications also identify skin or eye irritation.
Splash exposure should therefore be prevented during drum transfer, pumping, sampling and reaction charging.
Safety glasses or chemical goggles are appropriate where liquid contact with the eyes is possible.
Maleic Acid Dibutyl Ester DBM material can also be classified for repeated-exposure effects depending on supplier and regulatory dataset.
Current reagent-grade classifications include concern for organ effects following prolonged or repeated exposure.
Workplace exposure should therefore be controlled rather than assuming the low volatility makes concentrated DBM harmless.
Maleic Acid Dibutyl Ester DBM ventilation should be provided where Maleic Acid Dibutyl Ester DBM is heated.
The equilibrium vapor pressure is very low at ordinary temperatures but rises with increasing process temperature.
Local exhaust can reduce exposure during hot polymerization, distillation or transfer operations.
Maleic Acid Dibutyl Ester DBM mist formation should also be minimized.
Mechanical spraying or high-energy mixing can produce inhalable droplets even when the liquid itself has negligible room-temperature volatility.
Respiratory controls should be selected according to the actual process and current SDS.
Maleic Acid Dibutyl Ester DBM has a flash point well above normal room temperature.
Representative values of approximately 120–138 °C indicate that the product is substantially less flammable than common coating solvents.
Maleic Acid Dibutyl Ester DBM can nevertheless burn if heated sufficiently or exposed to an established fire.
Maleic Acid Dibutyl Ester DBM ignition sources should therefore be controlled during high-temperature processing.
Hot surfaces, welding and open flames should be excluded from areas where substantial quantities are heated.
Process temperatures should also remain below unnecessary thermal stress conditions.
Maleic Acid Dibutyl Ester DBM combustion can produce carbon monoxide and carbon dioxide.
Incomplete thermal decomposition can generate additional irritating organic vapors.
Firefighters should use suitable respiratory and protective equipment for major storage or process fires.
Maleic Acid Dibutyl Ester DBM should be kept in tightly closed containers.
Storage should minimize exposure to heat, direct sunlight and contamination.
Supplier recommendations concerning inhibitors or storage temperature should be followed for reactive commercial grades.
Maleic Acid Dibutyl Ester DBM strong oxidizing agents should be kept separate.
Oxidizers can react vigorously with organic ester materials and can also initiate unwanted degradation.
Chemical segregation should therefore follow the current SDS.
Maleic Acid Dibutyl Ester DBM strong acids and bases can promote hydrolysis.
These materials should be controlled unless hydrolysis or transesterification is intentionally part of the process.
Unplanned contamination can change product composition and increase corrosivity.
Maleic Acid Dibutyl Ester DBM radical initiators and polymerization catalysts require separate handling controls.
The maleate double bond is intentionally reactive and can participate in polymerization under suitable conditions.
Uncontrolled exposure to heat and radical sources should therefore be avoided during storage.
Maleic Acid Dibutyl Ester DBM large spills can create a slipping hazard.
Liquid should be contained and recovered using chemically compatible absorbent materials.
The collected material should be placed in suitable labeled waste containers.
Maleic Acid Dibutyl Ester DBM discharge into drains or surface water should be prevented.
Current commercial classifications can identify Dibutyl Maleate as hazardous to the aquatic environment with long-lasting effects.
Environmental release should therefore be minimized even when only limited water solubility is observed.
Maleic Acid Dibutyl Ester DBM low water solubility does not mean environmental impact is negligible.
Hydrophobic organic material can partition into sediments, organic matter or biological phases rather than remaining dissolved in the water column.
Spill response should therefore emphasize physical containment and recovery.
Maleic Acid Dibutyl Ester DBM skin-contaminated clothing should be removed.
Because sensitizing substances can remain on fabric and create repeated exposure, clothing should be cleaned before reuse where permitted.
Personnel who develop persistent skin symptoms should obtain appropriate occupational medical evaluation.
Maleic Acid Dibutyl Ester DBM exact hazard classification can differ between suppliers.
Some submitted regulatory classifications report fewer hazards, while current commercial reagent documentation identifies skin sensitization, repeated-exposure toxicity and aquatic chronic hazard.
Maleic Acid Dibutyl Ester DBM-specific SDS associated with the purchased industrial grade should therefore take precedence.
Maleic Acid Dibutyl Ester DBM Procurement and Technical Support:
Ataman Kimya supports customers looking for Maleic Acid Dibutyl Ester DBM with dependable supply solutions and relevant technical information for industrial and formulation requirements.
Additional support can be provided regarding product specifications, available documentation, and the evaluation of suitable product options based on the intended application.