N,N-DIMETHYLETHANOLAMINE (DMAE or DMEA)

N,N-Dimethylethanolamine (DMAE or DMEA) is an organic amine and alcohol widely used as a pH adjuster, intermediate, catalyst, and film-forming agent in coatings, personal care, polymers, and water-treatment formulations.
N,N-Dimethylethanolamine (DMAE or DMEA) combines tertiary amine reactivity with alcohol solubility, enabling use in epoxy curing systems, ion-exchange resins, coatings, and biochemical applications.
N,N-Dimethylethanolamine (DMAE or DMEA) is valued for its low volatility, efficient neutralization capability, and compatibility with acrylic and polyurethane systems.

CAS Number: 108-01-0
EC Number: 203-542-8
Molecular Formula: C₄H₁₁NO
Molecular Weight: 89.14 g/mol

Synonyms: N,N-Dimethylethanolamine, DMAE, DMEA, Dimethylethanolamine, 2-(Dimethylamino)ethanol, Dimethylaminoethanol, DMAE Solution Grade, DMEA Technical, DMAE Neutralizing Agent, DMAE Catalyst, DMAE Coatings Grade, N,N-Dimethylethanolamine, Dimethylethanolamine, DMAE, DMEA, N,N-Dimethyl-2-hydroxyethylamine, 2-(Dimethylamino)ethanol, β-Dimethylaminoethanol, Dimethylaminoethanol, Dimethyl Ethanolamine, N,N-Dimethylmonoethanolamine, N,N-Dimethyl-β-aminoethanol, Dimethylamino Alcohol, N,N-Dimethylaminoethanol, 2-Dimethylaminoethanol, Dimethylaminoethan-2-ol, DMAE Base, DMEA Base, DMAE Free Base, DMEA Free Base, Technical Grade DMAE, Industrial Grade Dimethylethanolamine, High Purity DMAE, Pure DMAE, Extra Pure DMAE, Dimethylaminoethanol Solution, DMAE Aqueous Solution, DMAE Anhydrous, Alkanolamine DMAE, Tertiary Alkanolamine DMAE, Tertiary Amine Alcohol DMAE, Dimethylated Ethanolamine, Alcohol Amine DMAE, Dimethylaminoalkanol, DMAE Solvent, DMAE Chemical Intermediate, DMAE Catalyst, DMAE Corrosion Inhibitor Component, DMAE pH Adjuster, DMAE Neutralizing Amine, DMAE Polymer Additive, DMAE Coatings Additive, DMAE Epoxy Catalyst, DMAE Polyurethane Catalyst, DMAE Adhesive Catalyst, DMAE Surfactant Intermediate, DMAE Gas Treatment Chemical, DMAE Sweetening Agent (amine), DMAE Water Treatment Chemical, DMAE Electrolyte Additive, DMAE Cement Grinding Aid Component, DMAE Resin Modifier, DMAE Flocculant Intermediate, DMAE Pharmaceutical Intermediate, DMAE Cosmetic Ingredient, DMAE Skin-Firming Ingredient, DMAE Anti-Aging Ingredient, DMAE Nutraceutical Ingredient

APPLICATIONS

N,N-Dimethylethanolamine (DMAE or DMEA) is used as a neutralizing agent in waterborne coatings.
N,N-Dimethylethanolamine (DMAE or DMEA) improves pigment dispersion and film formation.
N,N-Dimethylethanolamine (DMAE or DMEA) enhances gloss and stability in acrylic coatings.

N,N-Dimethylethanolamine (DMAE or DMEA) is employed as a catalyst in polyurethane production.
N,N-Dimethylethanolamine (DMAE or DMEA) speeds up urethane formation reactions.
N,N-Dimethylethanolamine (DMAE or DMEA) is used in flexible and rigid PU foams.

N,N-Dimethylethanolamine (DMAE or DMEA) is used in epoxy resin curing systems.
N,N-Dimethylethanolamine (DMAE or DMEA) improves crosslinking and mechanical properties.
N,N-Dimethylethanolamine (DMAE or DMEA) enhances epoxy coating durability.

N,N-Dimethylethanolamine (DMAE or DMEA) is incorporated into ion-exchange resin synthesis.
N,N-Dimethylethanolamine (DMAE or DMEA) provides functional tertiary amine groups.
N,N-Dimethylethanolamine (DMAE or DMEA) improves resin selectivity and capacity.

N,N-Dimethylethanolamine (DMAE or DMEA) is used in personal care products.
N,N-Dimethylethanolamine (DMAE or DMEA) acts as a pH stabilizer in creams and lotions.
N,N-Dimethylethanolamine (DMAE or DMEA) enhances emulsification and texture.

N,N-Dimethylethanolamine (DMAE or DMEA) is used in water-treatment formulations.
N,N-Dimethylethanolamine (DMAE or DMEA) neutralizes acids and buffers system pH.
N,N-Dimethylethanolamine (DMAE or DMEA) improves corrosion inhibitor performance.

N,N-Dimethylethanolamine (DMAE or DMEA) is used as a flotation agent in mining.
N,N-Dimethylethanolamine (DMAE or DMEA) enhances separation of mineral particles.
N,N-Dimethylethanolamine (DMAE or DMEA) supports selective flotation processes.

N,N-Dimethylethanolamine (DMAE or DMEA) is used in pharmaceuticals and biochemical research.
N,N-Dimethylethanolamine (DMAE or DMEA) functions as a precursor for quaternary ammonium salts.
N,N-Dimethylethanolamine (DMAE or DMEA) contributes to drug synthesis and formulation.

N,N-Dimethylethanolamine (DMAE or DMEA) is used in gas purification systems.
N,N-Dimethylethanolamine (DMAE or DMEA) enhances CO₂ and H₂S absorption efficiency.
N,N-Dimethylethanolamine (DMAE or DMEA) stabilizes amine scrubbing solutions.

N,N-Dimethylethanolamine is used as a neutralizing agent in waterborne coatings.
N,N-Dimethylethanolamine improves pH stability in acrylic dispersions.
N,N-Dimethylethanolamine enhances film formation in latex paints.

N,N-Dimethylethanolamine is used as a catalyst in polyurethane foams.
N,N-Dimethylethanolamine accelerates urethane formation in flexible foam systems.
N,N-Dimethylethanolamine supports uniform cell structure in foam production.

N,N-Dimethylethanolamine is used in epoxy resin curing.
N,N-Dimethylethanolamine enhances crosslinking reactions in epoxy hardening.
N,N-Dimethylethanolamine improves mechanical strength in cured resins.

N,N-Dimethylethanolamine is used in metalworking fluids.
N,N-Dimethylethanolamine provides corrosion inhibition in cutting fluids.
N,N-Dimethylethanolamine improves oil–water emulsification stability.

N,N-Dimethylethanolamine is used in gas sweetening operations.
N,N-Dimethylethanolamine absorbs acidic gases such as CO₂ and H₂S.
N,N-Dimethylethanolamine improves efficiency of amine-based gas treatment systems.

N,N-Dimethylethanolamine is used in textile softening agents.
N,N-Dimethylethanolamine adjusts pH during softener preparation.
N,N-Dimethylethanolamine improves compatibility of textile finishing chemicals.

N,N-Dimethylethanolamine is used in personal care formulations.
N,N-Dimethylethanolamine acts as a pH adjuster in skincare products.
N,N-Dimethylethanolamine enhances viscosity control in lotions and creams.

N,N-Dimethylethanolamine is used in water treatment chemicals.
N,N-Dimethylethanolamine prevents metal corrosion in steam-condensate systems.
N,N-Dimethylethanolamine maintains alkaline conditions in boiler feedwater.

N,N-Dimethylethanolamine is used in pigment dispersions.
N,N-Dimethylethanolamine stabilizes pigment particles in aqueous systems.
N,N-Dimethylethanolamine prevents flocculation in concentrated dispersions.

N,N-Dimethylethanolamine is used in adhesive formulations.
N,N-Dimethylethanolamine supports pH adjustment for acrylic adhesives.
N,N-Dimethylethanolamine enhances bond strength in waterborne adhesives.

N,N-Dimethylethanolamine is used in metal cleaning products.
N,N-Dimethylethanolamine improves removal of oily residues in cleaning baths.
N,N-Dimethylethanolamine provides mild corrosion protection on steel surfaces.

N,N-Dimethylethanolamine is used in paper processing chemicals.
N,N-Dimethylethanolamine stabilizes latex binders in paper coatings.
N,N-Dimethylethanolamine enhances smoothness and printability of coated papers.

N,N-Dimethylethanolamine is used as an intermediate in chemical synthesis.
N,N-Dimethylethanolamine is used to manufacture quaternary ammonium compounds.
N,N-Dimethylethanolamine supports production of corrosion inhibitors and surfactants.

N,N-Dimethylethanolamine is used in ink formulations.
N,N-Dimethylethanolamine adjusts pH in waterborne ink systems.
N,N-Dimethylethanolamine improves pigment wetting and dispersion.

DESCRIPTION

N,N-Dimethylethanolamine (DMAE or DMEA) is a clear, colorless to pale yellow liquid.
N,N-Dimethylethanolamine (DMAE or DMEA) has a strong ammoniacal odor typical of aliphatic amines.
N,N-Dimethylethanolamine (DMAE or DMEA) is hygroscopic and absorbs moisture from the air.

N,N-Dimethylethanolamine (DMAE or DMEA) is miscible with water and many organic solvents.
N,N-Dimethylethanolamine (DMAE or DMEA) dissolves well in alcohols, glycols, and ketones.
N,N-Dimethylethanolamine (DMAE or DMEA) supports excellent compatibility with acrylic resins.

N,N-Dimethylethanolamine (DMAE or DMEA) acts as a strong base and efficient neutralizing agent.
N,N-Dimethylethanolamine (DMAE or DMEA) enhances polymer stability and dispersion.
N,N-Dimethylethanolamine (DMAE or DMEA) improves rheological control in coatings.

N,N-Dimethylethanolamine (DMAE or DMEA) has low viscosity and good flow characteristics.
N,N-Dimethylethanolamine (DMAE or DMEA) provides fast reaction rates in urethane chemistry.
N,N-Dimethylethanolamine (DMAE or DMEA) functions as a co-catalyst in many polymer systems.

N,N-Dimethylethanolamine (DMAE or DMEA) is reactive, forming salts and esters with acids.
N,N-Dimethylethanolamine (DMAE or DMEA) can undergo quaternization reactions.
N,N-Dimethylethanolamine (DMAE or DMEA) is useful in manufacturing cationic surfactants.

N,N-Dimethylethanolamine is a tertiary amine with both amine and alcohol functional groups.
N,N-Dimethylethanolamine appears as a clear, colorless to pale yellow liquid.
N,N-Dimethylethanolamine has a strong ammoniacal odor characteristic of alkanolamines.

N,N-Dimethylethanolamine is highly soluble in water and many organic solvents.
N,N-Dimethylethanolamine functions as a pH adjuster, catalyst, and chemical intermediate.
N,N-Dimethylethanolamine exhibits strong nucleophilicity for reaction with acids and electrophiles.

PROPERTIES

Chemical Formula: C₄H₁₁NO
Molecular Weight: 89.14 g/mol
Appearance: Clear, colorless to yellowish liquid
Odor: Strong ammonia-like odor
Density: ~0.89 g/cm³ at 20°C
Melting Point: −59°C
Boiling Point: 134–135°C
Flash Point: 31–33°C (closed cup)
Solubility: Completely miscible with water, alcohols, glycols, acetone
pKa: ~9.2 (conjugate acid)
Vapor Pressure: ~3.6 mmHg at 20°C
Reactivity: Strong base; reacts with acids to form salts
Stability: Stable under recommended storage; sensitive to CO₂ uptake
Hygroscopicity: Moderately hygroscopic
Storage Temperature: Store below 30°C in sealed containers
Viscosity: ~3.5 mPa·s at 25°C
Autoignition Temperature: ~240°C

FIRST AID

Inhalation:
Move the person to fresh air immediately.
Seek medical attention if coughing or irritation persists.

Skin Contact:
Wash thoroughly with soap and water.
Remove contaminated clothing.

Eye Contact:
Rinse with water for at least 15 minutes.
Seek immediate medical attention due to corrosive potential.

Ingestion:
Rinse mouth; do not induce vomiting.
Seek medical assistance promptly.

Note to Physicians:
Treat as exposure to a corrosive alkaline chemical.

HANDLING AND STORAGE

Handling:
Use only in well-ventilated areas.
Wear gloves, goggles, and chemical-resistant clothing.
Avoid inhalation and skin contact.

Avoidance:
Keep away from acids, oxidizers, and CO₂ sources.
Avoid open flames due to flammability.

Spill Procedures:
Absorb with inert material (sand, vermiculite).
Ventilate area and dispose according to regulations.

Storage:
Store in tightly sealed containers under nitrogen if possible.
Keep in cool, dry, well-ventilated locations.
Protect from moisture and CO₂ exposure.