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Propylamine

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Propylamine
Skeletal formula of propylamine
Ball and stick model of propylamine
Names
Preferred IUPAC name Propan-1-amine
Other names Propylamine
Identifiers
CAS Number
3D model (JSmol)
Beilstein Reference 1098243
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.003.149 Edit this at Wikidata
EC Number
  • 203-462-3
Gmelin Reference 1529
PubChem CID
RTECS number
  • UH9100000
UNII
UN number 1277
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C3H9N/c1-2-3-4/h2-4H2,1H3Key: WGYKZJWCGVVSQN-UHFFFAOYSA-N
SMILES
  • CCCN
Properties
Chemical formula C3H9N
Molar mass 59.112 g·mol
Appearance Colorless liquid
Odor fishy, ammoniacal
Density 0.719 g mL
Melting point −83.00 °C; −117.40 °F; 190.15 K
Boiling point 47 to 51 °C; 116 to 124 °F; 320 to 324 K
Solubility in water Miscible
log P 0.547
Vapor pressure 33.01 kPa (at 20 °C)
Henry's law
constant (kH) 		660 μmol Pa kg
Acidity (pKa) 10.71
Refractive index (nD) 1.388
Thermochemistry
Heat capacity (C) 162.51 J K mol
Std molar
entropy (S298) 		227.44 J K mol
Std enthalpy of
formation (ΔfH298) 		−101.9–−101.1 kJ mol
Std enthalpy of
combustion (ΔcH298) 		−2.368–−2.362 MJ mol
Hazards
GHS labelling:
Pictograms GHS02: Flammable GHS05: Corrosive GHS06: Toxic
Signal word Danger
Hazard statements H225, H302, H311, H314, H331
Precautionary statements P210, P261, P280, P305+P351+P338, P310
Flash point −30 °C (−22 °F; 243 K)
Explosive limits 2–10.4%
Lethal dose or concentration (LD, LC):
LD50 (median dose)
  • 370 mg kg (oral, rat)
  • 402.6 mg kg (dermal, rabbit)
Related compounds
Related alkanamines
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
Chemical compound

Propylamine, also known as n-propylamine, is an amine with the chemical formula CH3(CH2)2NH2. It is a colorless volatile liquid.

Propylamine is a weak base. Its Kb (base dissociation constant) is 4.7 × 10.

Preparation

Propyl amine hydrochloride can be prepared by reacting 1-propanol with ammonium chloride at high temperature and pressure using a Lewis acid catalyst such as ferric chloride.

References

  1. "Propylamine".
  2. Karsten Eller, Erhard Henkes, Roland Rossbacher, Hartmut Höke "Amines, Aliphatic" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2005. doi:10.1002/14356007.a02_001

External links

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