n-Butylamine

n-Butylamine
Names
	Preferred IUPAC name Butan-1-amine
	Other names 1-Aminobutane; 1-Butanamine; Monobutylamine;
Identifiers
CAS Number	109-73-9 ;
3D model (JSmol)	Interactive image;
Abbreviations	NBA
Beilstein Reference	605269
ChEBI	CHEBI:43799 ;
ChEMBL	ChEMBL13968 ;
ChemSpider	7716 ;
DrugBank	DB03659 ;
ECHA InfoCard	100.003.364
EC Number	203-699-2;
Gmelin Reference	1784
MeSH	n-butylamine
PubChem CID	8007;
RTECS number	EO29750002;
UNII	N2QV60B4WR ;
UN number	1125
CompTox Dashboard (EPA)	DTXSID1021904 ;
	InChI InChI=1S/C4H11N/c1-2-3-4-5/h2-5H2,1H3 Key: HQABUPZFAYXKJW-UHFFFAOYSA-N ;
	SMILES CCCCN;
Properties
Chemical formula	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
Solubility in water	Miscible
log P	1.056
Vapor pressure	9.1 kPa (at 20 °C)
Henry's law; constant (kH)	570 μmol Pa−1 kg−1
Basicity (pKb)	3.22
Magnetic susceptibility (χ)	−58.9·10−6 cm3/mol
Refractive index (nD)	1.401
Viscosity	500 µPa s (at 20 °C)
Thermochemistry
Heat capacity (C)	188 J K−1 mol−1
Std enthalpy of; formation (ΔfH⦵298)	−128.9 – −126.5 kJ mol−1
Std enthalpy of; combustion (ΔcH⦵298)	−3.0196 – −3.0174 MJ mol−1
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H225, H302, H312, H314, H332
Precautionary statements	P210, P280, P305+P351+P338, P310
NFPA 704 (fire diamond)	2 3 0
Flash point	−7 °C (19 °F; 266 K)
Autoignition; temperature	312 °C (594 °F; 585 K)
Explosive limits	1.7–9.8%
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	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);
LCLo (lowest published)	4000 ppm (rat, 4 hr); 263 ppm (mouse, 2 hr)
	NIOSH (US health exposure limits):
PEL (Permissible)	C 5 ppm (15 mg/m3) [skin]
REL (Recommended)	C 5 ppm (15 mg/m3) [skin]
IDLH (Immediate danger)	300 ppm
Safety data sheet (SDS)	hazard.com
Related compounds
Related alkanamines	Propylamine; Isopropylamine; 1,2-Diaminopropane; 1,3-Diaminopropane; Isobutylamine; tert-Butylamine; sec-Butylamine; Putrescine; Pentylamine; Cadaverine;
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). verify (what is ?) Infobox references

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]

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

[NIOSH-1] NIOSH Pocket Guide to Chemical Hazards. "#0079". National Institute for Occupational Safety and Health (NIOSH).

[IDLH-2] "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.

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