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3,3'-iminobis(N,N-dimethylpropylamine)

3,3'-Iminobis(N,N-dimethylpropylamine) is a colorless to pale yellow, transparent liquid with a fishy odor. It has a relative density of 0.84 (at 20°C), a boiling point of 220–223°C, and a freezing point of -75°C; it is soluble in water and exhibits alkalinity. With a typical purity of ≥99.0%, it serves as an important chemical raw material used as a polyurethane catalyst, epoxy resin curing agent, and epoxy accelerator, as well as in the synthesis of pharmaceutical intermediates and surfactants.
  • 3,3'-iminobis(N,N-dimethylpropylamine)

  • Colorless liquid

  • 6711-48-4

  • C10H25N3

  • 187.33

  • 229-761-9

  • 209 °F

  • 425g/L at 20℃

Availability:

Product Description

3,3'-Iminobis(N,N-dimethylpropylamine)

High Purity 3,3'-Iminobis(N,N-dimethylpropylamine) Manufacturer & Supplier

3,3'-Iminobis(N,N-dimethylpropylamine) is a multifunctional tertiary amine compound containing two dimethylaminopropyl groups connected through a secondary amino bridge. Due to its excellent basicity, catalytic activity, and multifunctional amine structure, it is widely used as a chemical intermediate, polyurethane catalyst, epoxy curing agent component, surfactant intermediate, and specialty chemical additive.

The unique molecular structure of 3,3'-Iminobis(N,N-dimethylpropylamine) provides high reaction activity, excellent compatibility, and strong catalytic performance, making it an important raw material for polymer chemistry, coatings, adhesives, and industrial formulations.

We supply high-quality 3,3'-Iminobis(N,N-dimethylpropylamine) with stable quality, competitive specifications, customized packaging, and reliable global supply capability.

Product Information

Product Name

3,3'-Iminobis(N,N-dimethylpropylamine)

Common Names

  • Bis(3-dimethylaminopropyl)amine

  • Iminobis(dimethylaminopropylamine)

  • 3,3'-Diaminobis(N,N-dimethylpropylamine)

  • Bis-DMAPA

  • BDMAEE (commonly used in amine catalyst applications)

CAS Number

6711-48-4

Molecular Formula

C₁₀H₂₅N₃

Molecular Weight

187.33 g/mol

Chemical Type

Polyamine / Tertiary amine compound

Appearance

Colorless to light yellow transparent liquid

3,3'-Iminobis(N,N-dimethylpropylamine) Specifications

Item

Specification

Product Name

3,3'-Iminobis(N,N-dimethylpropylamine)

Common Name

Bis(3-dimethylaminopropyl)amine

CAS No.

6711-48-4

Molecular Formula

C₁₀H₂₅N₃

Molecular Weight

187.33 g/mol

Purity

≥98.0% / ≥99.0%

Appearance

Colorless to light yellow liquid

Water Content

≤0.5%

Color (APHA)

≤50

Density (20°C)

Approx. 0.82–0.86 g/cm³

Boiling Point

Approx. 220°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 3,3'-Iminobis(N,N-dimethylpropylamine)

1. Multifunctional Amine Structure

The molecule contains:

  • Two tertiary dimethylamino groups

  • One secondary amino group

This structure provides:

  • High catalytic activity

  • Multiple reaction sites

  • Strong basicity

  • Excellent chemical versatility

2. Excellent Catalytic Performance

Due to its highly active amine groups, this product provides:

  • Efficient reaction acceleration

  • Improved polymerization control

  • Enhanced formulation performance

3. Good Compatibility

3,3'-Iminobis(N,N-dimethylpropylamine) shows excellent compatibility with:

  • Polyols

  • Epoxy resins

  • Organic solvents

  • Polymer systems

  • Water-based formulations

4. High Thermal and Chemical Stability

The stable polyamine structure provides:

  • Reliable processing performance

  • Long-term formulation stability

  • Industrial application flexibility

Applications of 3,3'-Iminobis(N,N-dimethylpropylamine)

1. Polyurethane Catalyst

3,3'-Iminobis(N,N-dimethylpropylamine) is widely used as a highly active amine catalyst in polyurethane systems.

Applications:

  • Flexible polyurethane foams

  • Rigid polyurethane foams

  • CASE systems (coatings, adhesives, sealants, elastomers)

  • Polyurethane elastomers

Benefits:

  • Accelerates urethane reaction

  • Improves curing efficiency

  • Enhances foam formation control

  • Optimizes processing performance

2. Epoxy Curing Agent and Accelerator

Due to its active amine functionality, this product can be used in epoxy systems.

Applications:

  • Epoxy curing formulations

  • Adhesives

  • Protective coatings

  • Composite materials

Advantages:

  • Improves curing speed

  • Enhances crosslinking efficiency

  • Improves mechanical properties

3. Surfactant Intermediate

The product is an important intermediate for producing:

  • Amino surfactants

  • Cationic surfactants

  • Functional additives

Applications:

  • Industrial cleaners

  • Personal care ingredients

  • Specialty formulations

4. Chemical Synthesis Intermediate

Used as an intermediate in manufacturing:

  • Fine chemicals

  • Functional polymers

  • Specialty additives

  • Nitrogen-containing compounds

5. Coatings and Adhesives Industry

Applications include:

  • Industrial coatings

  • Structural adhesives

  • Sealant systems

Benefits:

  • Improved adhesion

  • Better chemical resistance

  • Enhanced curing performance

Advantages of Our 3,3'-Iminobis(N,N-dimethylpropylamine)

High Purity Supply

We provide:

✔ High purity Bis(3-dimethylaminopropyl)amine
✔ Stable chemical quality
✔ Strict QC inspection
✔ Reliable batch consistency

Flexible Supply Capability

Available options:

  • Laboratory samples

  • Trial orders

  • Bulk industrial supply

  • Customized packaging

Professional Export Service

We provide:

  • SDS documentation

  • COA certificates

  • Technical data sheets

  • Global logistics solutions

Packaging and Storage

Standard Packaging

Available packaging:

  • 25 kg HDPE drum

  • 160 kg HDPE drum

  • 200 kg HDPE drum

  • IBC tank

  • Customized packaging

Storage Recommendations

Store 3,3'-Iminobis(N,N-dimethylpropylamine):

  • In a cool and dry warehouse

  • In tightly sealed containers

  • Away from strong acids

  • Away from oxidizing agents

  • Protected from moisture contamination

Technical Data Sheet (TDS)

Parameter

Value

Chemical Name

3,3'-Iminobis(N,N-dimethylpropylamine)

CAS Number

6711-48-4

Molecular Formula

C₁₀H₂₅N₃

Molecular Weight

187.33 g/mol

Appearance

Clear colorless to yellow liquid

Purity

≥98%

Chemical Class

Polyamine / Tertiary amine

Functional Groups

Secondary amine + tertiary amines

Physical State

Liquid

Main Applications

PU catalysts, epoxy systems, surfactants, specialty chemicals

Frequently Asked Questions (FAQ)

What is 3,3'-Iminobis(N,N-dimethylpropylamine)?

3,3'-Iminobis(N,N-dimethylpropylamine) is a multifunctional polyamine compound used mainly as a polyurethane catalyst, epoxy accelerator, surfactant intermediate, and specialty chemical raw material.

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