Propylamine

Propylamine

Names
Preferred IUPAC name Propan-1-amine
Other names Propylamine
Identifiers
CAS Number	107-10-8
3D model (Jmol)	Interactive image
Beilstein Reference	1098243
ChEBI	CHEBI:39870
ChEMBL	ChEMBL14409
ChemSpider	7564
ECHA InfoCard	100.003.149
EC Number	203-462-3
Gmelin Reference	1529
PubChem	7852
RTECS number	UH9100000
UNII	I76F18D635
UN number	1277
InChI InChI=1S/C3H9N/c1-2-3-4/h2-4H2,1H3 Key: WGYKZJWCGVVSQN-UHFFFAOYSA-N
SMILES CCCN
Properties
Chemical formula	C3H9N
Molar mass	59.11 g·mol^−1
Appearance	Colorless liquid
Odor	fishy, ammoniacal
Density	719 mg mL^−1
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^−1 kg^−1
Acidity (pKa)	10.71
Refractive index (nD)	1.388
Thermochemistry
Specific heat capacity (C)	162.51 J K^−1 mol^−1
Std molar entropy (S^o298)	227.44 J K^−1 mol^−1
Std enthalpy of formation (ΔfH^o298)	−101.9–−101.1 kJ mol^−1
Std enthalpy of combustion (ΔcH^o298)	−2.368–−2.362 MJ mol^−1
Hazards
GHS pictograms
GHS signal word	DANGER
GHS hazard statements	H225, H302, H311, H314, H331
GHS precautionary statements	P210, P261, P280, P305+351+338, P310
EU classification (DSD)	F C
R-phrases	R11, R20/21/22, R34
S-phrases	S26, S36/37/39, S45
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^−1 (oral, rat) 402.6 mg kg^−1 (dermal, rabbit)
Related compounds
Related alkanamines	Ethylamine Ethylenediamine Isopropylamine 1,2-Diaminopropane 1,3-Diaminopropane Isobutylamine tert-Butylamine n-Butylamine sec-Butylamine Putrescine
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Propylamine, also known as n-propylamine, is an amine with the chemical formula C₂H₅CH₂NH₂ (also written as C₃H₇NH₂ and C₃H₉N). It is a colorless volatile liquid.^[1]

Propylamine is a weak base. Its K_b (base dissociation constant) is 4.7 × 10⁻⁴.

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. 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

• International Chemical Safety Card