Diethyl Methyl Benzene Diamine is an aromatic diamine used primarily as a curing agent, hardener, and chain extender in polyurethane, epoxy, and elastomer systems.
Diethyl Methyl Benzene Diamine provides excellent chemical resistance, thermal stability, and mechanical strength in cured polymers.
Diethyl Methyl Benzene Diamine enhances durability, impact resistance, and crosslink density in industrial adhesives and coatings.
Diethyl Methyl Benzene Diamine is widely used in high-performance elastomers, reaction-injection molding (RIM), and polyurethane casting applications.
CAS Number: Not standardized (mixture depending on isomer distribution)
EC Number: Not standardized (mixture depending on isomer distribution)
Molecular Formula: Approx. C11H18N2 (isomer-dependent)
Molecular Weight: Approx. 178–182 g/mol (isomer-dependent)
Synonyms: Aromatic diamine curing agent, Diethylmethyl benzene diamine, Polyurethane chain extender, Aromatic amine hardener, Benzene diamine derivative, PU elastomer curing amine, Epoxy curing diamine, Industrial aromatic diamine, High-temperature diamine, Chemical-resistant diamine, Diethyl Methyl Benzene Diamine, Diethylmethylbenzenediamine, Methyl Diethyl Benzenediamine, Methyl Diethyl Benzene Diamine, N,N-Diethyl-N'-methyl-benzenediamine, Aromatic Diamine DER, Aromatic Amine DER, Aromatic Ether Diamine DER, Diethyl Methyl Phenylenediamine, Methyl Diethyl Phenylenediamine, Methyl Diethyl Aniline Diamine, Alkylated Benzene Diamine, Substituted Benzenediamine, Alkyl Aromatic Diamine, Aromatic Polyamine DER, Aromatic Amine Accelerator, Polyurethane Catalyst Amine, Epoxy Curing Agent Diamine, Amine Curing Agent DER, Epoxy Hardener DER, Amine Hardener DER, Diethyl Methyl Aromatic Amine, Diethyl Methyl Aniline, Diethyl-Methyl Aminobenzene, Diethyl Methyl Amino Aromatic, Diethyl Methyl Amino Compound, Dialkyl Aromatic Diamine, DER Benzene Diamine, DER Aromatic Diamine, Chemical Grade Diamine DER, Technical Grade Diamine DER, Industrial Grade Diamine DER, High Purity Diamine DER, Specialty Diamine DER, Fine Chemical Diamine DER, Reactive Diamine, Functional Diamine, Industrial Diamine, Polymer-Grade Diamine, Epoxy System Amine, Epoxy Cure Accelerator, Polyurethane Chain Extender Amine, Polyurethane Catalyst Diamine, Isocyanate Reaction Amine, Diethyl Methyl Diamine Component, Polyamine Intermediate, Aromatic Polyamine Intermediate, Diamine-Based Epoxy Additive, Diamine-Based Polymer Additive, Diamine-Based Chemical Additive, Epoxy Resin Additive DER, Isocyanate Reaction Promoter, Amine Functional Additive, Crosslinking Diamine Agent, Diamine Crosslinker, High-Activity Aromatic Diamine, Low-Viscosity Aromatic Amine, Fast-Reacting Aromatic Diamine, Low-Temperature Cure Diamine, Polyurethane Prepolymer Hardener, Industrial Amine Derivative, Technical Aromatic Diamine, Aromatic Diamine Raw Material, Aromatic Diamine Processing Chemical, Polyamine Specialty Chemical, Polyamine Technical Product, Diamine Industrial Product
APPLICATIONS
Diethyl Methyl Benzene Diamine is used as a curing agent in polyurethane elastomers.
Diethyl Methyl Benzene Diamine improves tensile strength and elongation.
Diethyl Methyl Benzene Diamine enhances abrasion and tear resistance.
Diethyl Methyl Benzene Diamine is used in epoxy resin curing.
Diethyl Methyl Benzene Diamine provides a tough, chemically resistant network.
Diethyl Methyl Benzene Diamine improves heat distortion temperature and rigidity.
Diethyl Methyl Benzene Diamine is used in reaction-injection molding (RIM).
Diethyl Methyl Benzene Diamine accelerates cure speed for rapid mold cycles.
Diethyl Methyl Benzene Diamine improves dimensional stability of molded parts.
Diethyl Methyl Benzene Diamine is used in cast polyurethane systems.
Diethyl Methyl Benzene Diamine creates highly crosslinked structures with superior durability.
Diethyl Methyl Benzene Diamine supports long-term performance under mechanical stress.
Diethyl Methyl Benzene Diamine is used in industrial adhesives and sealants.
Diethyl Methyl Benzene Diamine provides strong bonding and chemical resistance.
Diethyl Methyl Benzene Diamine enhances thermal endurance in adhesive films.
Diethyl Methyl Benzene Diamine is used in coatings exposed to harsh chemicals.
Diethyl Methyl Benzene Diamine improves solvent resistance and hardness.
Diethyl Methyl Benzene Diamine enhances adhesion and weathering stability.
Diethyl Methyl Benzene Diamine is used in elastomer modification.
Diethyl Methyl Benzene Diamine tailors durometer and mechanical properties.
Diethyl Methyl Benzene Diamine improves resilience and compression characteristics.
Diethyl Methyl Benzene Diamine is used in high-temperature polymer systems.
Diethyl Methyl Benzene Diamine sustains performance at elevated temperatures.
Diethyl Methyl Benzene Diamine prevents premature degradation in demanding environments.
Diethyl Methyl Benzene Diamine is used in chemical-resistant industrial components.
Diethyl Methyl Benzene Diamine withstands fuels, acids, oils, and solvents.
Diethyl Methyl Benzene Diamine improves structural integrity of functional materials.
Diethyl Methyl Benzene Diamine is used in composite materials.
Diethyl Methyl Benzene Diamine increases crosslink density and matrix strength.
Diethyl Methyl Benzene Diamine enhances rigidity and impact resistance.
Diethyl Methyl Benzene Diamine is used as a curing agent in polyurethane casting systems.
Diethyl Methyl Benzene Diamine accelerates urethane polymer crosslinking.
Diethyl Methyl Benzene Diamine enhances mechanical strength in PU elastomers.
Diethyl Methyl Benzene Diamine is used in epoxy resin formulations.
Diethyl Methyl Benzene Diamine provides rapid curing of epoxy coatings.
Diethyl Methyl Benzene Diamine improves adhesion and chemical resistance of epoxy systems.
Diethyl Methyl Benzene Diamine is used in RIM (Reaction Injection Molding) applications.
Diethyl Methyl Benzene Diamine enhances mold flow and part definition.
Diethyl Methyl Benzene Diamine supports fast-cycle PU molding processes.
Diethyl Methyl Benzene Diamine is used in polyurethane adhesives.
Diethyl Methyl Benzene Diamine increases bonding strength of PU adhesives.
Diethyl Methyl Benzene Diamine improves heat resistance of cured adhesive films.
Diethyl Methyl Benzene Diamine is used in polyurethane sealants.
Diethyl Methyl Benzene Diamine improves elasticity and elongation in sealant systems.
Diethyl Methyl Benzene Diamine enhances moisture and chemical resistance.
Diethyl Methyl Benzene Diamine is used in elastomer production.
Diethyl Methyl Benzene Diamine provides consistent hardness and tensile strength in cast elastomers.
Diethyl Methyl Benzene Diamine increases resistance to dynamic stresses.
Diethyl Methyl Benzene Diamine is used in industrial coatings.
Diethyl Methyl Benzene Diamine accelerates curing of high-performance coatings.
Diethyl Methyl Benzene Diamine improves abrasion resistance in protective coatings.
Diethyl Methyl Benzene Diamine is used in polymer modification.
Diethyl Methyl Benzene Diamine introduces amino functionality into polymer structures.
Diethyl Methyl Benzene Diamine enhances compatibility with isocyanate prepolymers.
Diethyl Methyl Benzene Diamine is used in oil and gas pipeline coatings.
Diethyl Methyl Benzene Diamine enhances resistance to corrosive chemicals.
Diethyl Methyl Benzene Diamine supports long-term protective performance.
Diethyl Methyl Benzene Diamine is used in electrical encapsulation systems.
Diethyl Methyl Benzene Diamine provides thermal stability in insulating materials.
Diethyl Methyl Benzene Diamine supports dielectric strength in filled epoxy compounds.
Diethyl Methyl Benzene Diamine is used in rubber-to-metal bonding systems.
Diethyl Methyl Benzene Diamine enhances bonding strength in industrial assemblies.
Diethyl Methyl Benzene Diamine improves resistance to oil and heat.
Diethyl Methyl Benzene Diamine is used in the aerospace industry.
Diethyl Methyl Benzene Diamine supports high-strength composite components.
Diethyl Methyl Benzene Diamine improves fatigue resistance in structural adhesives.
Diethyl Methyl Benzene Diamine is used in marine coatings.
Diethyl Methyl Benzene Diamine enhances water and salt spray resistance.
Diethyl Methyl Benzene Diamine improves long-term durability under harsh marine conditions.
DESCRIPTION
Diethyl Methyl Benzene Diamine is a liquid aromatic diamine with high reactivity toward isocyanates and epoxies.
Diethyl Methyl Benzene Diamine appears as a brownish to amber liquid.
Diethyl Methyl Benzene Diamine has a characteristic aromatic amine odor.
Diethyl Methyl Benzene Diamine offers rapid curing behavior in polyurethane systems.
Diethyl Methyl Benzene Diamine forms hard, chemically resistant polymer structures.
Diethyl Methyl Benzene Diamine remains stable under thermal stress and oxidation.
Diethyl Methyl Benzene Diamine is partially miscible with common organic solvents.
Diethyl Methyl Benzene Diamine is compatible with aromatic and aliphatic isocyanates.
Diethyl Methyl Benzene Diamine enhances mechanical properties in crosslinked elastomers.
Diethyl Methyl Benzene Diamine provides consistent performance over long service periods.
Diethyl Methyl Benzene Diamine is suitable for industrial, automotive, and heavy-equipment applications.
Diethyl Methyl Benzene Diamine is widely used in systems requiring durability under harsh chemicals.
Diethyl Methyl Benzene Diamine is an aromatic amine widely used as a curing agent for polyurethane and epoxy systems.
Diethyl Methyl Benzene Diamine provides rapid reactivity with isocyanate-terminated prepolymers.
Diethyl Methyl Benzene Diamine is valued for its ability to produce strong, heat-resistant polymers.
Diethyl Methyl Benzene Diamine typically contains two primary amine groups on an aromatic ring.
Diethyl Methyl Benzene Diamine is structurally related to substituted benzene diamines.
Diethyl Methyl Benzene Diamine reacts readily with isocyanates and epoxy resins.
Diethyl Methyl Benzene Diamine appears as a dark amber to brown liquid.
Diethyl Methyl Benzene Diamine has a characteristic aromatic amine odor.
Diethyl Methyl Benzene Diamine is soluble in many organic solvents.
Diethyl Methyl Benzene Diamine provides excellent thermal and chemical resistance in cured polymers.
Diethyl Methyl Benzene Diamine is suitable for high-temperature elastomers and coatings.
Diethyl Methyl Benzene Diamine offers improved toughness compared to aliphatic amine curatives.
Diethyl Methyl Benzene Diamine should be handled with appropriate PPE.
Diethyl Methyl Benzene Diamine requires storage in tightly sealed, moisture-free containers.
Diethyl Methyl Benzene Diamine is widely used in advanced elastomer, adhesive, and coating technologies due to its strong curing performance.
PROPERTIES
Appearance: Brown to amber liquid
Odor: Aromatic amine odor
Density: ~1.0–1.05 g/cm³
Boiling Range: High-boiling aromatic amine range
Viscosity: Medium viscosity liquid (grade-dependent)
Solubility: Limited in water; soluble in organic solvents
Reactivity: Highly reactive toward isocyanates and epoxy groups
Thermal Stability: High
Chemical Resistance: Excellent in fuels, oils, solvents, and chemicals
FIRST AID
Inhalation:
Move to fresh air immediately.
Seek medical attention if respiratory irritation occurs.
Skin Contact:
Wash thoroughly with soap and water.
Remove contaminated clothing.
Seek medical help if irritation or sensitization develops.
Eye Contact:
Rinse cautiously with water for at least 15 minutes.
Seek immediate medical attention if irritation persists.
Ingestion:
Rinse mouth and do not induce vomiting.
Seek medical attention immediately.
Note to Physicians:
Treat as aromatic amine exposure; monitor methemoglobin levels if needed.
HANDLING AND STORAGE
Handling:
Wear gloves, goggles, and protective clothing.
Avoid breathing vapors and prevent skin contact.
Ventilation:
Use adequate ventilation or local exhaust systems.
Avoidance:
Keep away from strong oxidizers and acids.
Avoid moisture contamination in reactive systems.
Spill Procedures:
Absorb with inert material and collect for disposal.
Wash spill area thoroughly.
Storage:
Store in tightly closed containers.
Keep in a cool, dry, well-ventilated area.
Protect from heat and direct sunlight.