Dytek® EP 1,3-Pentanediamine

Product Information

Molecular Structure
IUPAC Name Pentane-1,3-diamine
CAS Number
  • 589-37-7
Other Names
  • 1,3-PENTANEDIAMINE
  • 1,3-Diaminopentane
  • Pentane-1,3-diamine
  • 1,3-Diaminopentane, Dytek® EP
Molecular Formula C5H14N2
Molecular Weight 102.181 g/mol
Description A low viscosity, low odor, liquid diamine featuring an odd carbon, ethyl-branched, asymmetric structure and differential amine reactivity
Typical Composition
(wt %)
1,3-Pentanediamine 99
Other diamines 1
Water (ppm) 500
Chemical & Physical Properties

Chemical & Physical Properties

Property Name Value
Boiling Point, °C (°F) 164 (327)
Flash Point, cc, °C (°F) 59 (138)
Glass Transition, Tg, °C (°F) –117 (-179)
Viscosity, cP, 25°C (77°F) 1.89
Density, g/mL, 25°C (77°F) 0.855
Vapor Pressure, mmHg, 20°C (68°F) 1
Refractive Index, 20°C/20°C (68°F) 1.4512
Surface Tension, dyn/cm, 24.5°C (76.1°F) 32.2
Solubility in Water Miscible
Solubility Parameters Overall δ 10.6
Nonpolar δD 8.1
Polar δp 3.5
H-Bonding δH 5.8
pKa1, 25°C (77°F) 10.97
pKa2, 25°C (77°F) 8.92
Amine Value, mg KOH/g 1087
H-Equivalent Weight 25.5
Heat of Vaporization, 160°C (320°F), kcal/mol 15.9
Heat of Solution, 30°C (86°F), kcal/mol 9.9
Thermal Stability, DSC, 20–400°C, N2 Stable
Critical Properties: Tc, °C (°F) 355.7 (675.9)
Critical Properties: Vc, mL/ mol 367.5
Critical Properties: Pc, atm 39.7
Kow, 25° C (77°F), v/v, pH = 12.3 0.47
APHA Color, Pt-Co <10
Odor Slight
Applications & Uses

Applications & Uses

  • Polyamide monomer
  • Epoxy curative
  • Calcium scale inhibitor
  • Fuel and oil additive
  • Isocyanates
  • Chain extenders (Polyurethanes)
  • Corrosion inhibitor
  • Solvent
  • Catalyst (Polyurethanes)
  • Surfactant

Aspartic Esters

DYTEK® EP
589-37-7

Diethyl Maleate
141-05-9

N,N'-(1-ethyl-1,3-propanediyl)bis-, tetraethyl ester
618912-92-8

References in Literature

References in Literature

Showing most recent 1 to 5 of 9

Title Journal or Book Year
Polyamines in yellow lupin (Lupinus luteus L.) tolerance to soil drought Acta Physiologiae Plantarum 2017
Passiflora incarnata attenuation of neuropathic allodynia and vulvodynia apropos GABA-ergic and opioidergic antinociceptive and behavioural mechanisms BMC Complementary and Alternative Medicine 2016
Catalytic synthesis of 1,3-propylenediamines Russian Journal of Organic Chemistry 2011
X-Ray crystal structure determination of a series of 1-aryl- 2-[3-(3-[2-aryl-1-diazenyl]-1,3-diazepan-1-ylmethyl)-1, 3-diazepan-1-yl]-1-diazenes obtained from the reaction of diazonium salts with mixtures of formaldehyde and 1,4-diaminobutane Journal of Chemical Crystallography 2006
Revising the proton affinity scale of the naturally occurring α-amino acids Journal of the American Society for Mass Spectrometry 2006

https://pubchem.ncbi.nlm.nih.gov/compound/102444#section=Literature

Source: Springer Nature

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

Patents

Patents

Showing most recent 1 to 5 of 9

Patent ID Patent Title Granted Date
US2015368509 POLYAMINES HAVING SECONDARY ALIPHATIC AMINO GROUPS 24/12/2015
US2015375367 ABRASIVE ARTICLE INCLUDING A CORE AND A BONDED ABRASIVE BODY 31/12/2015
US2015284034 Reinforcing System for Reinforcing a Cavity of a Structural Element 08/10/2015
US2015360156 FILTER MEDIA AND ELEMENTS WITH FINE STAPLE FIBERS 17/12/2015
US9477012 1, 4-BIS(ISOCYANATOMETHYL)CYCLOHEXANE, POLYISOCYANATE COMPOSITION, POLYURETHANE RESIN, MOLDED ARTICLE, EYEWEAR MATERIAL, EYEWEAR FRAME, AND LENS 03/12/2015

https://pubchem.ncbi.nlm.nih.gov/compound/102444#section=Patents

Source: PubChem

Description: Data deposited in or computed by PubChem