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1,2-Benzenedicarboxylic acid, diethyl ester is an aromatic diester produced from phthalic acid and ethanol.
1,2-Benzenedicarboxylic acid, diethyl ester functions as a plasticizer, solvent, fixative, carrier, and specialty formulation intermediate in numerous industrial applications.
1,2-Benzenedicarboxylic acid, diethyl ester is generally supplied as a clear, colorless, low-volatility liquid with a mild odor and limited solubility in water.
CAS Number: 84-66-2
EC Number: 201-550-6
Molecular Formula: C12H14O4
Molecular Weight: 222.24 g/mol
SYNONYMS
1,2-Benzenedicarboxylic Acid, Diethyl Ester, Benzene-1,2-dicarboxylic Acid Diethyl Ester, Diethyl Benzene-1,2-dicarboxylate, 1,2-Diethyl Benzene-1,2-dicarboxylate, 1,2-Benzenedicarboxylic Acid 1,2-Diethyl Ester, Phthalic Acid Diethyl Ester, Phthalic Acid, Diethyl Ester, 1,2-Benzenedicarboxylic acid, diethyl ester, Diethyl Orthophthalate, Diethyl o-Phthalate, Diethyl 1,2-Benzenedicarboxylate, Diethyl Benzene-1,2-dicarboxylic Acid Ester, Diethyl Ester of Phthalic Acid, Diethyl Ester of 1,2-Benzenedicarboxylic Acid, o-Phthalic Acid Diethyl Ester, Ortho-Phthalic Acid Diethyl Ester, Ethyl Phthalate, Phthalic Acid Ethyl Ester, DEP, Diethylphthalate, Diethylphthalat, Diethyl Phtalate, Diethyl Phtalate Ester, 1,2-Benzenedicarboxylic acid, diethyl ester Ester, 1,2-Benzenedicarboxylic acid, diethyl ester DEP, Phthalate Diethyl Ester, Diethyl Phthalic Ester, 1,2-Benzenedicarboxylic Acid Diethylester, Benzene-1,2-dicarboxylic Acid Diethylester, C12H14O4, CAS 84-66-2, CAS-84-66-2, CAS Number 84-66-2, EC 201-550-6, EC Number 201-550-6, EINECS 201-550-6, PubChem CID 6781, CID 6781, CHEBI 34698, ChEBI 34698, CHEBI:34698, UNII UF064M00AF, UF064M00AF, DTXSID6022017, DTXCID102017, NSC 8905, NSC-8905, MFCD00009111, InChIKey FLKPEMZONWLCSK-UHFFFAOYSA-N, 1,2-Benzenedicarboxylic acid, diethyl ester 84-66-2, Phthalic Acid Diethyl Ester 84-66-2, Diethyl Benzene-1,2-dicarboxylate 84-66-2, 1,2-Benzenedicarboxylic Acid, Diethyl Ester 84-66-2
APPLICATIONS
1,2-Benzenedicarboxylic acid, diethyl ester serves as a plasticizer in selected polymer and resin systems where improved flexibility and easier processing are required.
1,2-Benzenedicarboxylic acid, diethyl ester reduces intermolecular attraction within compatible materials, thereby helping formulations remain less brittle after curing or cooling.
1,2-Benzenedicarboxylic acid, diethyl ester functions as a plasticizing component in cellulose-based compositions, particularly cellulose acetate and related derivatives.
1,2-Benzenedicarboxylic acid, diethyl ester supports film formation, flexibility, surface smoothness, and processing consistency when incorporated at an appropriate concentration.
1,2-Benzenedicarboxylic acid, diethyl ester contributes to cellulose nitrate formulations used in specialty coatings, lacquers, and technical films.
1,2-Benzenedicarboxylic acid, diethyl ester promotes a more workable polymer phase while helping reduce cracking and excessive hardness in the finished layer.
1,2-Benzenedicarboxylic acid, diethyl ester facilitates the production of flexible coating systems based on compatible binders and resins.
1,2-Benzenedicarboxylic acid, diethyl ester enables formulators to balance viscosity, film continuity, hardness, adhesion, and flexibility according to application requirements.
1,2-Benzenedicarboxylic acid, diethyl ester provides plasticizing action in selected adhesive and sealant formulations.
1,2-Benzenedicarboxylic acid, diethyl ester helps manufacturers adjust flow, tack, flexibility, and application behavior without introducing a highly volatile carrier.
1,2-Benzenedicarboxylic acid, diethyl ester finds application as a solvent and carrier for fragrance materials requiring controlled incorporation into a liquid formulation.
1,2-Benzenedicarboxylic acid, diethyl ester supports even distribution of aromatic ingredients while contributing relatively little odor of its own.
1,2-Benzenedicarboxylic acid, diethyl ester functions as a fragrance fixative in selected perfume and scented-product compositions.
1,2-Benzenedicarboxylic acid, diethyl ester can slow the rapid evaporation of more volatile fragrance components, thereby supporting a more gradual scent-release profile.
1,2-Benzenedicarboxylic acid, diethyl ester contributes to the preparation of fragrance concentrates for soaps, detergents, air-care products, and household formulations.
1,2-Benzenedicarboxylic acid, diethyl ester promotes compatibility among certain aromatic oils, solvents, and formulation ingredients when suitability has been confirmed.
1,2-Benzenedicarboxylic acid, diethyl ester serves as a diluent for concentrated fragrance mixtures that require easier dosing and blending.
1,2-Benzenedicarboxylic acid, diethyl ester enables manufacturers to standardize fragrance strength and improve handling during large-scale formulation processes.
1,2-Benzenedicarboxylic acid, diethyl ester supports the dispersion of selected perfume ingredients in alcohol-based or mixed-solvent systems.
1,2-Benzenedicarboxylic acid, diethyl ester helps maintain a homogeneous composition when the fragrance materials and remaining formulation components are mutually compatible.
1,2-Benzenedicarboxylic acid, diethyl ester offers solvent properties for specialty cosmetic and personal-care formulations where its use is permitted.
1,2-Benzenedicarboxylic acid, diethyl ester may assist the incorporation of fragrance, film-forming, or functional ingredients according to applicable formulation and regulatory requirements.
1,2-Benzenedicarboxylic acid, diethyl ester facilitates the manufacture of selected nail-care and coating compositions by modifying solvent balance and film behavior.
1,2-Benzenedicarboxylic acid, diethyl ester can contribute to flexibility and application smoothness when used with compatible resins and approved ingredients.
1,2-Benzenedicarboxylic acid, diethyl ester serves as a carrier in certain insect-repellent and pest-control formulations.
1,2-Benzenedicarboxylic acid, diethyl ester supports controlled distribution of compatible active ingredients across the treated surface when the formulation has been appropriately designed.
1,2-Benzenedicarboxylic acid, diethyl ester functions as an ingredient in selected insecticide formulations requiring an organic solvent or diluent.
1,2-Benzenedicarboxylic acid, diethyl ester helps dissolve or disperse suitable active substances while contributing to consistent dosing and application.
1,2-Benzenedicarboxylic acid, diethyl ester contributes to mosquito-repellent formulations in applications where 1,2-Benzenedicarboxylic acid, diethyl ester is authorized and technically appropriate.
1,2-Benzenedicarboxylic acid, diethyl ester provides a low-volatility liquid medium capable of supporting prolonged contact with the intended treated surface.
1,2-Benzenedicarboxylic acid, diethyl ester enables the preparation of slow-release matrices for selected volatile ingredients.
1,2-Benzenedicarboxylic acid, diethyl ester can moderate evaporation by retaining compatible molecules within a liquid or polymeric phase.
1,2-Benzenedicarboxylic acid, diethyl ester supports coating formulations for paper, textiles, leather, and other flexible substrates.
1,2-Benzenedicarboxylic acid, diethyl ester contributes to film flexibility and reduces the tendency of compatible coatings to crack during bending or handling.
1,2-Benzenedicarboxylic acid, diethyl ester provides processing benefits in printing inks containing compatible resins, dyes, and organic solvents.
1,2-Benzenedicarboxylic acid, diethyl ester may improve flow, leveling, pigment wetting, and resistance to premature drying during application.
1,2-Benzenedicarboxylic acid, diethyl ester facilitates the manufacture of specialty inks intended for porous or flexible surfaces.
1,2-Benzenedicarboxylic acid, diethyl ester allows formulators to adjust viscosity and drying behavior while maintaining adequate binder flexibility.
1,2-Benzenedicarboxylic acid, diethyl ester enhances dye-carrier systems by dissolving or dispersing selected organic colorants.
1,2-Benzenedicarboxylic acid, diethyl ester supports uniform color distribution in compatible coatings, inks, plastics, and specialty liquid formulations.
1,2-Benzenedicarboxylic acid, diethyl ester serves as a solvent for certain oil-soluble dyes and organic intermediates.
1,2-Benzenedicarboxylic acid, diethyl ester provides a relatively high-boiling medium that can reduce rapid solvent loss during mixing and processing.
1,2-Benzenedicarboxylic acid, diethyl ester contributes to pigment-dispersion systems by improving wetting and helping maintain workable viscosity.
1,2-Benzenedicarboxylic acid, diethyl ester enables more uniform incorporation of compatible pigments into resinous or solvent-based compositions.
1,2-Benzenedicarboxylic acid, diethyl ester functions as a process aid in selected rubber and elastomer formulations.
1,2-Benzenedicarboxylic acid, diethyl ester can assist mixing and modify flexibility when compatibility with the elastomer and final-use requirements has been established.
1,2-Benzenedicarboxylic acid, diethyl ester supports the preparation of synthetic-resin compounds that require a liquid plasticizing or solvating component.
1,2-Benzenedicarboxylic acid, diethyl ester helps control hardness, elongation, and processing behavior within suitable concentration ranges.
1,2-Benzenedicarboxylic acid, diethyl ester finds application in specialty film and sheet production based on compatible cellulose derivatives.
1,2-Benzenedicarboxylic acid, diethyl ester contributes to flexibility, transparency, and resistance to mechanical cracking in appropriately formulated materials.
1,2-Benzenedicarboxylic acid, diethyl ester facilitates the manufacture of coated fabrics where the applied polymer layer must remain flexible.
1,2-Benzenedicarboxylic acid, diethyl ester promotes bending performance and surface continuity when incorporated into a compatible coating matrix.
1,2-Benzenedicarboxylic acid, diethyl ester offers utility in artificial leather and flexible surface-finishing formulations.
1,2-Benzenedicarboxylic acid, diethyl ester can improve coating workability and reduce excessive brittleness in compatible polymer systems.
1,2-Benzenedicarboxylic acid, diethyl ester contributes to selected automotive, electrical, and technical polymer formulations as a processing aid or plasticizer.
1,2-Benzenedicarboxylic acid, diethyl ester supports easier shaping and improved flexibility when the intended material specifications permit its use.
1,2-Benzenedicarboxylic acid, diethyl ester serves as an intermediate and solvent in organic synthesis involving phthalate chemistry.
1,2-Benzenedicarboxylic acid, diethyl ester provides two ester groups that can participate in hydrolysis, transesterification, reduction, and other controlled transformations.
1,2-Benzenedicarboxylic acid, diethyl ester enables the preparation of phthalic acid derivatives through suitable ester-conversion reactions.
1,2-Benzenedicarboxylic acid, diethyl ester offers a convenient liquid starting material for laboratory and industrial synthesis requiring an ortho-disubstituted aromatic structure.
1,2-Benzenedicarboxylic acid, diethyl ester supports transesterification processes used to prepare alternative phthalate esters.
1,2-Benzenedicarboxylic acid, diethyl ester allows the ethyl groups to be exchanged with suitable alcohols under controlled catalytic conditions.
1,2-Benzenedicarboxylic acid, diethyl ester functions as a reaction medium or high-boiling solvent in selected specialty syntheses.
1,2-Benzenedicarboxylic acid, diethyl ester provides useful solvency for some aromatic compounds while remaining less volatile than common low-boiling solvents.
1,2-Benzenedicarboxylic acid, diethyl ester contributes to analytical chemistry as a reference material for phthalate testing.
1,2-Benzenedicarboxylic acid, diethyl ester enables laboratories to develop, calibrate, and validate chromatographic and spectrometric measurement procedures.
1,2-Benzenedicarboxylic acid, diethyl ester serves as a calibration standard in gas chromatography and liquid chromatography.
1,2-Benzenedicarboxylic acid, diethyl ester provides a defined retention and response profile for the identification and quantification of phthalate esters.
1,2-Benzenedicarboxylic acid, diethyl ester supports mass-spectrometric method development for environmental, industrial, food-contact, and consumer-product analysis.
1,2-Benzenedicarboxylic acid, diethyl ester produces characteristic molecular and fragmentation signals that assist reliable compound identification.
1,2-Benzenedicarboxylic acid, diethyl ester facilitates extraction-recovery studies involving phthalate esters in water, soil, air, packaging, polymers, and formulated products.
1,2-Benzenedicarboxylic acid, diethyl ester allows laboratories to assess sample preparation, matrix effects, detection limits, and analytical recovery.
1,2-Benzenedicarboxylic acid, diethyl ester contributes to migration studies examining the transfer of non-polymer-bound additives from plasticized materials.
1,2-Benzenedicarboxylic acid, diethyl ester provides a representative low-molecular-weight phthalate for evaluating contact conditions, temperature, time, and matrix composition.
1,2-Benzenedicarboxylic acid, diethyl ester enables environmental-fate research focused on hydrolysis, biodegradation, sorption, volatilization, and photochemical transformation.
1,2-Benzenedicarboxylic acid, diethyl ester helps researchers characterize how a moderately hydrophobic phthalate ester behaves in different environmental compartments.
1,2-Benzenedicarboxylic acid, diethyl ester functions as a model compound in studies of ester hydrolysis and enzymatic degradation.
1,2-Benzenedicarboxylic acid, diethyl ester allows reaction rates and degradation pathways to be compared under different pH, temperature, microbial, and catalytic conditions.
1,2-Benzenedicarboxylic acid, diethyl ester supports toxicological and ecotoxicological method development when used as a properly controlled reference substance.
1,2-Benzenedicarboxylic acid, diethyl ester provides a defined test material for investigating exposure, metabolism, environmental behavior, and biological response.
1,2-Benzenedicarboxylic acid, diethyl ester contributes to polymer-compatibility studies examining the interaction between plasticizers and macromolecular matrices.
1,2-Benzenedicarboxylic acid, diethyl ester enables researchers to compare flexibility, migration, volatility, mechanical strength, and long-term material performance.
1,2-Benzenedicarboxylic acid, diethyl ester facilitates studies of plasticizer efficiency by providing a relatively low-molecular-weight aromatic diester.
1,2-Benzenedicarboxylic acid, diethyl ester allows the effects of ester structure, concentration, temperature, and polymer polarity to be systematically evaluated.
1,2-Benzenedicarboxylic acid, diethyl ester supports solubility and partitioning research involving organic liquids and aqueous systems.
1,2-Benzenedicarboxylic acid, diethyl ester provides a useful reference for examining hydrophobicity, solvent affinity, and phase-distribution behavior.
1,2-Benzenedicarboxylic acid, diethyl ester serves as a standard compound in studies investigating indoor air, dust, and material emissions.
1,2-Benzenedicarboxylic acid, diethyl ester enables analytical laboratories to evaluate sampling and detection methods for semi-volatile organic compounds.
1,2-Benzenedicarboxylic acid, diethyl ester promotes consistent preparation of research formulations requiring a clear liquid phthalate ester.
1,2-Benzenedicarboxylic acid, diethyl ester offers predictable handling, blending, and dosing characteristics when purity and moisture are appropriately controlled.
1,2-Benzenedicarboxylic acid, diethyl ester provides a versatile formulation component for applications requiring combined solvency and plasticizing performance.
1,2-Benzenedicarboxylic acid, diethyl ester allows formulators to simplify selected compositions by supplying both functions within one compatible ingredient.
DESCRIPTION
1,2-Benzenedicarboxylic acid, diethyl ester is an organic phthalate ester generally encountered as a clear, colorless, oily liquid.
1,2-Benzenedicarboxylic acid, diethyl ester may develop a faint characteristic odor, although high-purity grades are commonly described as nearly odorless.
Structurally, 1,2-Benzenedicarboxylic acid, diethyl ester consists of a benzene ring bearing two ethyl carboxylate groups at adjacent positions.
1,2-Benzenedicarboxylic acid, diethyl ester is therefore classified as the diethyl ester of benzene-1,2-dicarboxylic acid.
Chemically, 1,2-Benzenedicarboxylic acid, diethyl ester has the molecular formula C12H14O4 and a molecular weight of 222.24 g/mol.
1,2-Benzenedicarboxylic acid, diethyl ester contains two ester carbonyl groups, two ethoxy groups, and an ortho-disubstituted aromatic framework.
The systematic name 1,2-Benzenedicarboxylic Acid, Diethyl Ester describes the positions and ester groups present in 1,2-Benzenedicarboxylic acid, diethyl ester.
1,2-Benzenedicarboxylic acid, diethyl ester is also widely identified by the abbreviation DEP in industrial, analytical, and regulatory documentation.
Because the two ester groups are positioned next to each other, 1,2-Benzenedicarboxylic acid, diethyl ester has a compact and moderately polar molecular structure.
1,2-Benzenedicarboxylic acid, diethyl ester combines this ester polarity with a hydrophobic aromatic ring and two short ethyl chains.
1,2-Benzenedicarboxylic acid, diethyl ester is generally manufactured through esterification of phthalic anhydride or phthalic acid with ethanol.
1,2-Benzenedicarboxylic acid, diethyl ester production commonly employs an acid catalyst and controlled removal of water to promote ester formation.
During esterification, phthalic anhydride initially reacts with ethanol to form an intermediate monoester.
1,2-Benzenedicarboxylic acid, diethyl ester forms after the second carboxylic functionality is esterified under suitable reaction conditions.
1,2-Benzenedicarboxylic acid, diethyl ester production may be followed by neutralization, washing, phase separation, dehydration, filtration, and vacuum purification.
1,2-Benzenedicarboxylic acid, diethyl ester quality depends on raw-material purity, reaction completion, catalyst removal, moisture control, and separation efficiency.
In its commercial form, 1,2-Benzenedicarboxylic acid, diethyl ester is supplied in grades selected for industrial, analytical, formulation, or research applications.
1,2-Benzenedicarboxylic acid, diethyl ester specifications may include limits for purity, acidity, moisture, color, density, and residual alcohol.
1,2-Benzenedicarboxylic acid, diethyl ester purity is particularly important in fragrance, analytical, and color-sensitive formulations.
1,2-Benzenedicarboxylic acid, diethyl ester containing oxidation products or residual impurities may display increased color, odor, acidity, or reduced stability.
At ambient temperature, 1,2-Benzenedicarboxylic acid, diethyl ester remains liquid because the symmetrical forces needed for efficient crystal formation are relatively weak.
1,2-Benzenedicarboxylic acid, diethyl ester consequently offers convenient pumping, measuring, blending, and dosing during industrial processing.
1,2-Benzenedicarboxylic acid, diethyl ester has a freezing or melting point below ordinary room temperature.
1,2-Benzenedicarboxylic acid, diethyl ester remains fluid across a broad range of typical storage and manufacturing conditions.
The relatively high boiling point of 1,2-Benzenedicarboxylic acid, diethyl ester results in low volatility compared with ethanol, acetone, and many common formulation solvents.
1,2-Benzenedicarboxylic acid, diethyl ester therefore remains in a formulation longer and can support gradual evaporation of more volatile components.
Although 1,2-Benzenedicarboxylic acid, diethyl ester has low volatility at room temperature, heating increases vapor generation.
1,2-Benzenedicarboxylic acid, diethyl ester should be processed with appropriate temperature control and ventilation whenever elevated temperatures are employed.
1,2-Benzenedicarboxylic acid, diethyl ester possesses a density slightly greater than that of water.
1,2-Benzenedicarboxylic acid, diethyl ester can therefore form a lower liquid phase when sufficient quantities are mixed with water and phase separation occurs.
Owing to the hydrophobic aromatic ring and esterified carboxyl groups, 1,2-Benzenedicarboxylic acid, diethyl ester has limited solubility in water.
1,2-Benzenedicarboxylic acid, diethyl ester is more compatible with many alcohols, ethers, aromatic hydrocarbons, ketones, esters, and other organic solvents.
The water solubility of 1,2-Benzenedicarboxylic acid, diethyl ester is greater than that of several higher-molecular-weight phthalate esters.
1,2-Benzenedicarboxylic acid, diethyl ester nevertheless remains predominantly associated with organic phases when distributed between water and a compatible nonpolar solvent.
1,2-Benzenedicarboxylic acid, diethyl ester solvency originates from the combined presence of aromatic, ester, and ethyl structural elements.
1,2-Benzenedicarboxylic acid, diethyl ester can consequently dissolve or carry a variety of compatible fragrances, resins, dyes, and organic intermediates.
When incorporated into polymer systems, 1,2-Benzenedicarboxylic acid, diethyl ester is physically dispersed between polymer chains rather than chemically bonded to the polymer backbone.
1,2-Benzenedicarboxylic acid, diethyl ester increases chain mobility and reduces intermolecular attraction within compatible matrices.
This plasticizing mechanism allows 1,2-Benzenedicarboxylic acid, diethyl ester to lower hardness and improve flexibility in selected materials.
1,2-Benzenedicarboxylic acid, diethyl ester may also influence glass-transition temperature, elongation, tensile behavior, and film-forming performance.
1,2-Benzenedicarboxylic acid, diethyl ester compatibility varies considerably among polymers because molecular polarity and free volume differ from one matrix to another.
1,2-Benzenedicarboxylic acid, diethyl ester should therefore be evaluated for plasticizing efficiency, permanence, migration, and long-term stability in the intended formulation.
Compared with higher-molecular-weight phthalates, 1,2-Benzenedicarboxylic acid, diethyl ester generally exhibits greater mobility and somewhat higher volatility.
1,2-Benzenedicarboxylic acid, diethyl ester may consequently migrate or evaporate more readily from certain polymer matrices over extended periods.
The relatively small molecular size of 1,2-Benzenedicarboxylic acid, diethyl ester supports rapid incorporation into compatible resins and cellulose derivatives.
1,2-Benzenedicarboxylic acid, diethyl ester also enables efficient mixing at moderate processing temperatures.
In fragrance systems, 1,2-Benzenedicarboxylic acid, diethyl ester acts as a low-odor carrier and diluent for compatible aromatic compounds.
1,2-Benzenedicarboxylic acid, diethyl ester can reduce fragrance concentration, improve dosing accuracy, and moderate the evaporation of more volatile ingredients.
1,2-Benzenedicarboxylic acid, diethyl ester does not create fragrance permanence through chemical bonding with perfume molecules.
1,2-Benzenedicarboxylic acid, diethyl ester instead modifies the physical evaporation environment by providing a less volatile liquid phase.
In coatings and inks, 1,2-Benzenedicarboxylic acid, diethyl ester can influence viscosity, leveling, film flexibility, and drying behavior.
1,2-Benzenedicarboxylic acid, diethyl ester performance depends on binder type, solvent blend, pigment loading, application thickness, and curing conditions.
1,2-Benzenedicarboxylic acid, diethyl ester can improve pigment or dye incorporation when the colorant has sufficient compatibility with the liquid ester.
1,2-Benzenedicarboxylic acid, diethyl ester may nevertheless require additional dispersants or solvents for materials with limited affinity.
The two ester groups of 1,2-Benzenedicarboxylic acid, diethyl ester can undergo hydrolysis under sufficiently acidic or alkaline conditions.
1,2-Benzenedicarboxylic acid, diethyl ester hydrolysis produces ethanol and phthalic acid or corresponding intermediate ester species.
Elevated temperature, extreme pH, catalysts, enzymes, and prolonged contact with water can accelerate 1,2-Benzenedicarboxylic acid, diethyl ester hydrolysis.
1,2-Benzenedicarboxylic acid, diethyl ester remains comparatively stable under neutral, dry, and moderate storage conditions.
1,2-Benzenedicarboxylic acid, diethyl ester can participate in transesterification reactions with other alcohols.
1,2-Benzenedicarboxylic acid, diethyl ester thereby provides a route to alternative dialkyl phthalates when suitable catalysts and processing conditions are employed.
Strong reducing agents may convert the ester groups of 1,2-Benzenedicarboxylic acid, diethyl ester into alcohol-containing derivatives.
1,2-Benzenedicarboxylic acid, diethyl ester should therefore be separated from incompatible reactive chemicals during storage and handling.
Strong oxidizing conditions can degrade 1,2-Benzenedicarboxylic acid, diethyl ester or produce oxidation products.
1,2-Benzenedicarboxylic acid, diethyl ester should be protected from powerful oxidants, excessive heat, and uncontrolled ignition sources.
Under normal recommended storage conditions, 1,2-Benzenedicarboxylic acid, diethyl ester demonstrates good physical and chemical stability.
1,2-Benzenedicarboxylic acid, diethyl ester maintains best quality in tightly closed containers that prevent moisture uptake, contamination, and unnecessary air exposure.
1,2-Benzenedicarboxylic acid, diethyl ester may absorb small amounts of moisture during prolonged contact with humid air.
1,2-Benzenedicarboxylic acid, diethyl ester containers should therefore be resealed promptly after sampling, transfer, or dispensing.
Extended exposure to heat or light may gradually increase the color or odor of 1,2-Benzenedicarboxylic acid, diethyl ester.
1,2-Benzenedicarboxylic acid, diethyl ester should be stored away from direct sunlight and localized sources of high temperature.
1,2-Benzenedicarboxylic acid, diethyl ester has a relatively high flash point compared with many common volatile solvents.
1,2-Benzenedicarboxylic acid, diethyl ester remains combustible and can burn when sufficiently heated or exposed to an appropriate ignition source.
Combustion of 1,2-Benzenedicarboxylic acid, diethyl ester may produce carbon monoxide, carbon dioxide, smoke, and irritating organic decomposition products.
1,2-Benzenedicarboxylic acid, diethyl ester fires should be managed using suitable extinguishing media and established workplace emergency procedures.
During industrial processing, 1,2-Benzenedicarboxylic acid, diethyl ester can generate slippery surfaces when spilled.
1,2-Benzenedicarboxylic acid, diethyl ester releases should be contained promptly to reduce slipping hazards and prevent entry into drains or waterways.
1,2-Benzenedicarboxylic acid, diethyl ester spills can be absorbed with an inert compatible material and transferred into suitable waste containers.
1,2-Benzenedicarboxylic acid, diethyl ester should not be washed into uncontrolled drainage systems because environmental release should be minimized.
1,2-Benzenedicarboxylic acid, diethyl ester may migrate from materials because 1,2-Benzenedicarboxylic acid, diethyl ester is not covalently incorporated into most plasticized polymer structures.
1,2-Benzenedicarboxylic acid, diethyl ester migration depends on concentration, polymer type, temperature, contact medium, surface area, and exposure time.
This migration behavior is important when 1,2-Benzenedicarboxylic acid, diethyl ester is evaluated for packaging, coated surfaces, consumer materials, or analytical sampling.
1,2-Benzenedicarboxylic acid, diethyl ester use should always conform to the requirements applicable to the intended product and market.
1,2-Benzenedicarboxylic acid, diethyl ester can be detected by gas chromatography, liquid chromatography, and mass spectrometry.
1,2-Benzenedicarboxylic acid, diethyl ester produces characteristic retention, molecular-ion, fragmentation, and spectroscopic responses under validated analytical conditions.
Infrared analysis of 1,2-Benzenedicarboxylic acid, diethyl ester shows strong absorption associated with ester carbonyl and carbon–oxygen bonds.
1,2-Benzenedicarboxylic acid, diethyl ester also exhibits signals corresponding to the aromatic ring and ethyl groups.
Nuclear magnetic resonance analysis distinguishes the aromatic protons and the ethyl ester groups of 1,2-Benzenedicarboxylic acid, diethyl ester.
1,2-Benzenedicarboxylic acid, diethyl ester identity and purity can therefore be confirmed through combined chromatographic and spectroscopic techniques.
Particle size is not normally a primary specification for 1,2-Benzenedicarboxylic acid, diethyl ester because 1,2-Benzenedicarboxylic acid, diethyl ester is a liquid under ordinary conditions.
1,2-Benzenedicarboxylic acid, diethyl ester processing instead focuses on viscosity, density, purity, moisture, acidity, and color.
The low viscosity of 1,2-Benzenedicarboxylic acid, diethyl ester supports straightforward pumping and mixing.
1,2-Benzenedicarboxylic acid, diethyl ester flow behavior may nevertheless change at low temperature or when blended with high-viscosity components.
Compared with dimethyl phthalate, 1,2-Benzenedicarboxylic acid, diethyl ester contains longer alkyl groups and has a higher molecular weight.
1,2-Benzenedicarboxylic acid, diethyl ester consequently displays different volatility, water solubility, melting behavior, and compatibility characteristics.
Compared with dibutyl phthalate and larger phthalate esters, 1,2-Benzenedicarboxylic acid, diethyl ester contains shorter ethyl chains.
1,2-Benzenedicarboxylic acid, diethyl ester generally offers lower viscosity and greater mobility but may provide lower permanence in certain polymer applications.
Another important feature of 1,2-Benzenedicarboxylic acid, diethyl ester is the balance between organic solvency and low room-temperature volatility.
1,2-Benzenedicarboxylic acid, diethyl ester can therefore perform as both a carrier and plasticizing component in suitably designed formulations.
As a result, 1,2-Benzenedicarboxylic acid, diethyl ester combines liquid handling, solvency, plasticizing action, and formulation versatility within one aromatic diester.
1,2-Benzenedicarboxylic acid, diethyl ester remains relevant in industrial processing, fragrance systems, analytical chemistry, specialty coatings, research, and compatible polymer applications.
PROPERTIES
Appearance: Clear, colorless liquid
Odor: Mild or nearly odorless
Purity: Grade dependent
Molecular Formula: C12H14O4
Molecular Weight: 222.24 g/mol
Density: Approximately 1.11–1.12 g/cm³ at 20–25 °C
Melting Point: Approximately −35 °C
Boiling Point: Approximately 295–299 °C
Flash Point: Approximately 160 °C
Solubility in Water: Slightly soluble
Solubility in Organic Solvents: Miscible or soluble in many common organic solvents
Physical Form: Liquid
Stability: Stable under normal recommended storage conditions
FIRST AID
Inhalation: Move the exposed person to fresh air and keep the person comfortable for breathing. Obtain medical attention if coughing, dizziness, breathing discomfort, or other symptoms persist.
Skin Contact: Remove contaminated clothing and wash the affected skin thoroughly with soap and water. Obtain medical advice if irritation develops or continues.
Eye Contact: Rinse cautiously with clean water for several minutes. Remove contact lenses when present and easy to do, then continue rinsing. Obtain medical attention if irritation or discomfort persists.
Ingestion: Rinse the mouth with water. Do not induce vomiting unless directed by qualified medical personnel. Obtain medical advice if a significant quantity has been swallowed or symptoms develop.
Note to Physicians: Provide symptomatic and supportive treatment according to the exposed person’s condition and the available safety information for the supplied grade.
HANDLING AND STORAGE
Handling: Avoid breathing 1,2-Benzenedicarboxylic acid, diethyl ester mist or heated vapors and prevent prolonged contact with the skin and eyes. Use suitable personal protective equipment during transfer and processing.
Ventilation: Provide adequate general ventilation and use local exhaust ventilation where 1,2-Benzenedicarboxylic acid, diethyl ester mist or vapor may be generated.
Storage: Store 1,2-Benzenedicarboxylic acid, diethyl ester in a tightly closed container in a cool, dry, and well-ventilated area away from heat, strong oxidizing agents, and incompatible materials.
Spill and Leak Procedures: Contain spilled 1,2-Benzenedicarboxylic acid, diethyl ester and absorb the liquid with a suitable inert material. Transfer collected 1,2-Benzenedicarboxylic acid, diethyl ester into a properly labeled container for recovery or disposal.
Handling Precautions: Wash thoroughly after handling 1,2-Benzenedicarboxylic acid, diethyl ester and keep containers closed when not in use. Prevent 1,2-Benzenedicarboxylic acid, diethyl ester from entering drains, soil, and surface water.
