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MPMD: Ideal Aliphatic Diamine for Polyurea & Hot Melt Adhesive Formulations

MPMD: Ideal Aliphatic Diamine for Polyurea & Hot Melt Adhesive Formulations
July 21, 2026

Product Name: 2-METHYL-1,5-PENTANEDIAMINE

Product Code: MPMD

CAS No.: 15520-10-2

Product Category: Aliphatic Diamine / Amine Intermediate

1. Product Information

Item

Information

Chemical Name

2-METHYL-1,5-PENTANEDIAMINE

Product Code

MPMD

Other Names

1,5-DIAMINO-2-METHYLPENTANE;2-Methylpentamethylenediamine;1,5-Pentanediamine, 2-Methyl

CAS No.

15520-10-2

Molecular Formula

C6H16N2

Molecular Weight

116.20 g/mol

Category

Aliphatic diamine compound

 

 

2. Product Description

MPMD is an aliphatic diamine compound containing two primary amine functional groups. According to the company TDS, MPMD has unique properties such as low viscosity, high elasticity and good compatibility. It can be used in coatings, polyurethane, polyurea, hot melt adhesives, high performance polyamides, neutralizing or buffering agents and metalworking fluids.

Using dibasic acids, high molecular weight polyamine polymers and copolymers are generated. Compared with polymers and copolymers prepared using hexamethylenediamine compounds, these compounds have low melting points and low crystallinity.

 

3. Structure Features and Key Advantages

1. Two primary amine functional groups

MPMD contains two primary amine functional groups. According to the TDS, the two primary amine functional groups have different reactivity, which supports formulation design and reaction rate adjustment.

2. Low viscosity and good compatibility

MPMD provides low viscosity and good compatibility, which helps improve mixing, flow and processing operation in resin systems. Application performance should be confirmed by testing in the final formulation.

3. Elasticity improvement

According to the TDS, MPMD can improve the elasticity of polyamine hot melt adhesives and extend their air exposure time. The epoxy resin curing agent produced with 2-methylpentanediamine has a low adduct viscosity and can promote the improvement of resin formulation through its elasticity.

 

4. Typical Properties

Item

Typical Value

Appearance

Colorless liquid

Color (APHA)

≤2

Purity, wt%

≥99.0

Other diamines content, wt%

≤1.0

Specific Gravity, 25 °C

0.86

Moisture Content, wt%

≤0.50

 

Note: The above data are from Typical Properties in the company TDS. Final delivery specifications shall be subject to the company TDS / COA.

 

5. Applications

1. Industrial and Marine coatings

MPMD can be used in Industrial and Marine coatings. The dosage, curing behavior and coating performance should be confirmed by formulation testing.

2. Decorative coatings

MPMD can be used in Decorative coatings as an amine component for formulation development.

3. Low-temperature curative, Accelerator

MPMD can be used as a Low-temperature curative or Accelerator in systems requiring low-temperature curing or improved curing efficiency.

4. Polyurethane and Polyurea

MPMD can be applied in Polyurethane and Polyurea systems. Final suitability should be confirmed by formulation and process testing.

5. Hot melt adhesives and High performance polyamides

MPMD can be used in Hot melt adhesives and High performance polyamides. The TDS states that it can improve the elasticity of polyamine hot melt adhesives and extend their air exposure time.

6. Neutralizing or buffering agent; Metalworking fluids

MPMD can also be used as a Neutralizing or buffering agent and in Metalworking fluids. Final suitability should be confirmed by application testing.

 

6. Storage, Packaging & Safety

Item

Information

Packaging

Drums;IBC tanks

Storage temperature

5-30°C

Storage & Handling

Avoid direct sunlight and place in a cool and dry place, Avoid strong oxidants, acids.

Storage Life

12 months from the date of manufacture in the original packing in ambient temperatures.

Safety

All safety information is provided in the Material Safety Data Sheet.

 

7. Notice

This document is prepared for product information database use. Product parameters and application information are mainly based on the company TDS. Molecular formula and molecular weight are cross-checked with public chemical databases. For external use, the official TDS, MSDS, COA and contract terms shall prevail.

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