Technical Data Sheet
Tri-N-Propylamine
Chemical Synonym
TNPA
Applications
Electronic chemicals
Fungicides int
Intermediates
Product Description
Tri-n-Propylamine (TNPA) is a colorless liquid.
Typical Properties
Property
Typical Value, Units
General
Molecular Formula
C
9
H
21
N
Molecular Weight
143.27 g/mol
Appearance
Colorless liquid
Autoignition Temperature
180 °C
Boiling Point
156.4 °C
Critical Pressure
22 270 hPa
Critical Temperature
304.33 °C
Density
@ 20°C
0.756 g/cm
3
Dissociation constant, pKa
@ 20°C
10.65
Flash Point
Closed Cup
33 °C
Freezing Point
(1013 hPa)
-56.11 °C
Heat of Vaporization
a
(1013 hPa)
300.46 kJ/kg
Octanol-water partition coefficient, log Pow
@ 25°C
0.9
pH
Alkaline
Surface Tension
61.6 mN/m
Vapor Density
(air = 1)
4.93
Vapor Pressure
@ 20°C
4.3 hPa
@ 40°C
5.7 hPa
Viscosity
@ 20°C
0.677 mPa·s
Water solubility
@ 20°C
0.444 g/L
a
Latent
Packaging
Bulk
Steel drums (155 kg net)
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2/28/2018 11:35:39 AM