Dytek® A 2-Methylpentamethylenediamine (MPMD)

Product Information

Molecular Structure
IUPAC Name 2-methylpentane-1,5-diamine
CAS Number
  • 15520-10-2
Other Names
  • 2-Methylpentane-1,5-diamine
  • 1,5-Diamino-2-methylpentane
  • 2-Methyl-1,5-pentanediamine
  • 1,5-Pentanediamine, 2-methyl-
  • Dytek® A
Molecular Formula C6H16N2
Molecular Weight 116.208 g/mol
Description Clear low viscosity liquid, free of suspended materials
Typical Composition
(wt %)
2-Methylpentamethylenediamine 99.0
Methylcyclopentanediamine 0.6
2-Ethyltetramethylenediamine 0.3
Water 0.02
Chemical & Physical Properties

Chemical & Physical Properties

Property Name Value
Boiling Point, °C(°F) 192 (378)
Freezing Range, °C(°F) –50-–60 (-58-–76)
Flash Point, (CC), °C(°F) 83 (181)
Specific Gravity, 25°C (77°F) 0.86
Viscosity, cP, 25°C (77°F) 2.63
Refractive Index, nD, 25°C (77°F) 1.4588
Surface Tension, dyn/cm, 24°C (77°F) 34.9
Partition Coefficient, Kow 0.8
Solubility in Water Miscible
Hansen Solubility Parameters Overall δ 10.4
Nonpolar δD 8.2
Polar δp 3.1
H-Bonding δH 5.5
pH, 5% Aqueous Solution, 25°C 12.1
pKa1, 25°C (77°F) 11.2
pKa2, 25°C (77°F) 10.0
Amine Value, mg KOH/g 967
Amine Equivalent Weight 58
H-Equivalent Weight 29
Heat of Vaporization, ΔHv, 193°C, cal/g 92.8
Heat of Combustion, ΔHc, cal/g 9100
Critical Properties: Tc, °C 383
Critical Properties: Vc, mL/ mol 424
Critical Properties: Pc, atm 35.3
Applications & Uses

Applications & Uses

  • Polyamide plastics, films, and fibers
  • Polyamide adhesive and ink resins
  • Corrosion inhibitor
  • Epoxy curing agents
  • Water treatment chemicals
  • Metalworking Fluids
  • Isocyanates
  • Chain extenders (Polyurethanes)

Aspartic Esters


Diethyl Maleate

N,N'-(2-methyl-1,5-pentanediyl)bis-, 1,1',4,4'-tetraethyl ester

References in Literature

References in Literature

Showing most recent 1 to 5 of 22

Title Journal or Book Year
Microphase separation and thermo-mechanical properties of energetic poly(urethane–urea) Polymer Bulletin 2017
Influence of pigment and internal stresses on water uptake in model epoxy: a thermodynamic approach Journal of Materials Science 2017
Extreme biomimetic approach for developing novel chitin-GeO2 nanocomposites with photoluminescent properties Nano Research 2015
Curing kinetics and shape-memory behavior of an intrinsically toughened epoxy resin system Journal of Thermal Analysis and Calorimetry 2014
Synthesis and application of a novel lysine-based polyol for preparation of polyurethane Monatshefte für Chemie - Chemical Monthly 2013


Source: Springer Nature

Description: Literature references related to scientific contents from Springer Nature journals and books.



Showing most recent 1 to 5 of 22


Source: PubChem

Description: Data deposited in or computed by PubChem