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N,N,N',N'-Tetramethyl-1,6-hexanediamine

N,N,N',N'-Tetramethyl-1,6-hexanediamine (TMHDA), CAS 111-18-2, is an aliphatic tertiary diamine supplied as a colorless to light yellow liquid. It is also known as 1,6-bis(dimethylamino)hexane.
For industrial sourcing, please tell us your required purity, quantity, destination and packaging preference. We can confirm the available specification and provide the relevant product documents before quotation.
  • a transparent, colorless to yellow liquid

  • 111-18-2

  • C10H24N2

  • 172.31

  • 203-842-9

  • 165 °F

  • Miscible with water

Availability:

Product Description

High Purity N,N,N',N'-Tetramethyl-1,6-hexanediamine Manufacturer & Supplier

N,N,N',N'-Tetramethyl-1,6-hexanediamine (TMHDA) is a tertiary diamine compound widely used as a specialty chemical intermediate, catalyst component, and curing accelerator in polyurethane systems. Due to its excellent basicity, molecular flexibility, and catalytic activity, TMHDA is an important additive in polyurethane foam production, polymer chemistry, and advanced material applications.

We supply high-quality N,N,N',N'-Tetramethyl-1,6-hexanediamine (TMHDA) with stable quality, high purity, consistent performance, and customized packaging solutions for global industrial customers.

N,N,N',N'-Tetramethyl-1,6-hexanediamine Specifications

Item

Specification

Product Name

N,N,N',N'-Tetramethyl-1,6-hexanediamine

Abbreviation

TMHDA

CAS No.

111-18-2

Molecular Formula

C₁₀H₂₄N₂

Molecular Weight

172.31 g/mol

Purity

≥98.0% / ≥99.0%

Appearance

Colorless transparent liquid

Amine Value

According to customer requirements

Density (20°C)

Approx. 0.80 g/cm³

Boiling Point

Approx. 210°C

Solubility

Soluble in water and organic solvents

Grade

Industrial Grade / Specialty Chemical Grade

Customized specifications are available according to customer requirements.

Key Features of TMHDA

1. Excellent Catalytic Performance

N,N,N',N'-Tetramethyl-1,6-hexanediamine contains two tertiary amino groups, providing strong catalytic activity in chemical reactions.

Main advantages:

  • Efficient catalytic performance

  • Good reaction selectivity

  • Stable chemical properties

  • Excellent compatibility with polyurethane systems

2. Long Molecular Chain Structure

Compared with shorter-chain tertiary amines, TMHDA has a longer six-carbon spacer between two nitrogen atoms, which provides:

  • Improved molecular flexibility

  • Better compatibility with polymer systems

  • Balanced catalytic activity

  • Enhanced material performance

3. High Purity and Stable Quality

Our TMHDA is produced under strict quality control systems to ensure:

✔ Consistent purity
✔ Stable physical properties
✔ Reliable batch quality
✔ Long-term supply capability

Applications of N,N,N',N'-Tetramethyl-1,6-hexanediamine

1. Polyurethane Industry

TMHDA is primarily used as a tertiary amine catalyst in polyurethane production.

Applications include:

  • Rigid polyurethane foam

  • Flexible polyurethane foam

  • Spray polyurethane foam

  • Insulation materials

  • Elastomers

  • Coatings and adhesives

TMHDA helps control the balance between polyurethane foaming reactions and curing reactions, improving processing efficiency and final product performance.

2. Polymer and Material Science

TMHDA is used as a catalyst or additive in polymer-related applications.

Typical uses:

  • Polymerization processes

  • Specialty polymer preparation

  • Advanced material synthesis

  • Chemical modification reactions

3. Chemical Intermediate

Due to its active tertiary amine structure, TMHDA can serve as an intermediate for:

  • Fine chemical synthesis

  • Specialty additives

  • Organic chemical reactions

4. Catalyst Systems

TMHDA is suitable for applications requiring:

  • Amine-based catalysis

  • Reaction acceleration

  • Improved process efficiency

5. Research and Development

TMHDA is used in laboratories and industrial R&D for:

  • Organic synthesis studies

  • Polymer chemistry research

  • Catalyst development

Advantages of Our TMHDA

Reliable Product Quality

We provide:

  • High purity TMHDA

  • Strict quality inspection

  • Stable supply chain

  • Professional technical support

Flexible Supply Capability

Available options:

  • Laboratory quantity supply

  • Commercial bulk supply

  • Customized packaging

  • OEM chemical supply

Global Export Service

We support:

  • International shipment

  • Export documentation

  • Technical data sheet (TDS)

  • Safety data sheet (SDS)

Packaging and Storage

Standard Packaging

Available packaging:

  • 25 kg HDPE drum

  • 180 kg HDPE drum

  • Customized industrial packaging

Storage Conditions

N,N,N',N'-Tetramethyl-1,6-hexanediamine should be stored:

  • In a cool and dry place

  • In tightly closed containers

  • Away from heat and ignition sources

  • In a well-ventilated storage area

Proper personal protective equipment (PPE) should be used during handling.

Frequently Asked Questions (FAQ)

What is N,N,N',N'-Tetramethyl-1,6-hexanediamine?

N,N,N',N'-Tetramethyl-1,6-hexanediamine (TMHDA) is an aliphatic tertiary diamine mainly used as a catalyst component, polymer additive, and specialty chemical intermediate.

What specifications should I confirm before ordering?

Please confirm the required purity, appearance and any application-specific requirements. The final specification should be checked against the product documents provided for your order.

What information do you need for a quotation?

Please tell us your required quantity, destination, preferred packaging and target specification. This helps us confirm the suitable supply option and quote accurately.

Can I request an SDS or COA?

Yes. Please mention the documents you need in your inquiry. We will confirm the availability of the SDS and the relevant COA for the quoted product.

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