N-Butylamine

n-Butylamine
Skeletal formula of n-butylamine
Ball-and-stick model of the n-butylamine molecule
Names
Preferred IUPAC name
Butan-1-amine
Other names
  • 1-Aminobutane
  • 1-Butanamine
  • Monobutylamine
Identifiers
3D model (JSmol)
Abbreviations NBA
605269
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.003.364 Edit this at Wikidata
EC Number
  • 203-699-2
1784
MeSH n-butylamine
RTECS number
  • EO29750002
UNII
UN number 1125
  • InChI=1S/C4H11N/c1-2-3-4-5/h2-5H2,1H3 checkY
    Key: HQABUPZFAYXKJW-UHFFFAOYSA-N checkY
  • CCCCN
Properties
C4H11N
Molar mass 73.139 g·mol−1
Appearance Colorless liquid
Odor fishy, ammoniacal
Density 740 mg ml−1
Melting point −49 °C; −56 °F; 224 K
Boiling point 77 to 79 °C; 170 to 174 °F; 350 to 352 K
Miscible
log P 1.056
Vapor pressure 9.1 kPa (at 20 °C)
570 μmol Pa−1 kg−1
Basicity (pKb) 3.22
-58.9·10−6 cm3/mol
1.401
Viscosity 500 µPa s (at 20 °C)
Thermochemistry
188 J K−1 mol−1
−128.9–−126.5 kJ mol−1
−3.0196–−3.0174 MJ mol−1
Hazards
GHS labelling:
GHS02: Flammable GHS05: Corrosive GHS07: Exclamation mark
Danger
H225, H302, H312, H314, H332
P210, P280, P305+P351+P338, P310
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 3: Liquids and solids that can be ignited under almost all ambient temperature conditions. Flash point between 23 and 38 °C (73 and 100 °F). E.g. gasolineInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
2
3
0
Flash point −7 °C (19 °F; 266 K)
312 °C (594 °F; 585 K)
Explosive limits 1.7–9.8%
Lethal dose or concentration (LD, LC):
  • 366 mg kg−1 (oral, rat)
  • 626 mg kg−1 (dermal, rabbit)
  • 430 mg kg−1 (oral, mouse)
  • 430 mg kg−1 (oral, guinea pig)
[2]
4000 ppm (rat, 4 hr)
263 ppm (mouse, 2 hr)[2]
NIOSH (US health exposure limits):
PEL (Permissible)
 C 5 ppm (15 mg/m3) [skin][1]
REL (Recommended)
 C 5 ppm (15 mg/m3) [skin][1]
IDLH (Immediate danger)
 300 ppm[1]
Safety data sheet (SDS) hazard.com
Related compounds
Related alkanamines
Related compounds
 2-Methyl-2-nitrosopropane
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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n-Butylamine is an organic compound (specifically, an amine) with the formula CH3(CH2)3NH2. This colourless liquid is one of the four isomeric amines of butane, the others being sec-butylamine, tert-butylamine, and isobutylamine. It is a liquid having the fishy, ammonia-like odor common to amines. The liquid acquires a yellow color upon storage in air. It is soluble in all organic solvents. Its vapours are heavier than air and it produces toxic oxides of nitrogen during combustion.[3]

  1. ^ a b c NIOSH Pocket Guide to Chemical Hazards. "#0079". National Institute for Occupational Safety and Health (NIOSH).
  2. ^ a b "N-Butylamine". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
  3. ^ PubChem. "Butylamine". pubchem.ncbi.nlm.nih.gov. Retrieved 2022-02-15.