N,N,N'-Trimethyl-N'-(2-hydroxyethyl)ethylenediamine (TMHED)

High Purity N,N,N'-Trimethyl-N'-(2-hydroxyethyl)ethylenediamine Manufacturer & Supplier

N,N,N'-Trimethyl-N'-(2-hydroxyethyl)ethylenediamine (TMHED) is a multifunctional tertiary amino alcohol compound widely used as a high-performance polyurethane catalyst, chemical intermediate, and specialty amine additive.

With both tertiary amine groups and a hydroxyl functional group, N,N,N'-Trimethyl-N'-(2-hydroxyethyl)ethylenediamine provides excellent catalytic activity, good compatibility with polyol systems, and balanced reaction control in polyurethane formulations.

Due to its unique molecular structure, TMHED is widely applied in flexible polyurethane foams, rigid polyurethane foams, CASE systems (coatings, adhesives, sealants, elastomers), and specialty polymer applications.

We supply high-quality N,N,N'-Trimethyl-N'-(2-hydroxyethyl)ethylenediamine with stable quality, competitive specifications, customized packaging, and reliable global supply capability.

Product Information

Product Name

N,N,N'-Trimethyl-N'-(2-hydroxyethyl)ethylenediamine

Common Names

• TMHED

• N,N,N'-Trimethyl-N'-(2-hydroxyethyl)ethylenediamine

• Hydroxyethyl Dimethyl Aminoethyl Methylamine

• Tertiary Amino Alcohol Catalyst

• Polyurethane Amine Catalyst

CAS Number

2212-32-0

Molecular Formula

C₇H₁₈N₂O

Molecular Weight

146.23 g/mol

Chemical Type

Tertiary amino alcohol

Appearance

Colorless to light yellow transparent liquid

N,N,N'-Trimethyl-N'-(2-hydroxyethyl)ethylenediamine Specifications

Customized specifications are available according to customer requirements.

Key Features of N,N,N'-Trimethyl-N'-(2-hydroxyethyl)ethylenediamine

1. High-Performance Polyurethane Catalytic Activity

TMHED contains active tertiary amino groups, providing:

• Excellent urethane reaction catalysis

• Balanced gel and blowing reaction control

• Improved processing efficiency

• Better foam structure control

2. Hydroxyl Functional Group Compatibility

The hydroxyl group provides:

• Better compatibility with polyol systems

• Improved incorporation into polymer networks

• Reduced migration characteristics

• Enhanced formulation stability

3. Excellent Reaction Balance

TMHED helps optimize:

• Isocyanate-polyol reaction

• Foam formation process

• Curing speed

• Surface quality

4. Good Solubility and Formulation Flexibility

TMHED offers:

• Excellent water compatibility

• Good compatibility with polyols

• Easy handling in industrial formulations

Applications of N,N,N'-Trimethyl-N'-(2-hydroxyethyl)ethylenediamine

1. Polyurethane Catalyst

The main application of TMHED is as an amine catalyst in polyurethane production.

Applications:

• Flexible polyurethane foam

• Rigid polyurethane foam

• Semi-rigid foam

• Spray polyurethane foam

• Molded polyurethane products

Benefits:

• Accelerates curing reaction

• Improves foam stability

• Controls reaction profile

• Enhances final product quality

2. CASE Systems (Coatings, Adhesives, Sealants, Elastomers)

TMHED is used in polyurethane CASE formulations.

Applications:

• PU coatings

• Polyurethane adhesives

• Sealants

• Elastomers

Advantages:

• Improves curing efficiency

• Enhances mechanical properties

• Provides better processing control

3. Polymer Modification

TMHED can be used as a functional additive or intermediate in:

• Polymer synthesis

• Modified resin systems

• Functional materials

4. Specialty Chemical Intermediate

Used in the manufacture of:

• Functional additives

• Fine chemicals

• Nitrogen-containing compounds

• Specialty polymer materials

Advantages of Our N,N,N'-Trimethyl-N'-(2-hydroxyethyl)ethylenediamine

Reliable Product Quality

We provide:

✔ High purity TMHED
✔ Stable catalytic performance
✔ Strict quality control
✔ Consistent batch quality

Flexible Supply Capability

Available options:

• Laboratory samples

• Trial orders

• Commercial quantities

• Bulk industrial supply

Professional Export Service

We provide:

• SDS documentation

• COA certificates

• Technical data sheets

• International logistics support

Packaging and Storage

Standard Packaging

Available packaging:

• 25 kg HDPE drum

• 200 kg HDPE drum

• IBC tank

• Customized packaging

Storage Recommendations

Store TMHED:

• In a cool and dry place

• In tightly sealed containers

• Away from heat sources

• Away from strong acids and oxidizing agents

Avoid prolonged exposure to moisture and direct sunlight.

Technical Data Sheet (TDS)

Frequently Asked Questions (FAQ)

What is N,N,N'-Trimethyl-N'-(2-hydroxyethyl)ethylenediamine?

N,N,N'-Trimethyl-N'-(2-hydroxyethyl)ethylenediamine is a tertiary amino alcohol compound mainly used as a polyurethane catalyst and specialty chemical intermediate.