Diethylamine

Diethylamine^[1]
Names
	Preferred IUPAC name N-Ethylethanamine
	Other names (Diethyl)amine; Diethylamine (deprecated)
Identifiers
CAS Number	109-89-7 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	605268
ChEBI	CHEBI:85259 ;
ChEMBL	ChEMBL1189 ;
ChemSpider	7730 ;
ECHA InfoCard	100.003.380
EC Number	203-716-3;
MeSH	diethylamine
PubChem CID	8021;
RTECS number	HZ8750000;
UNII	B035PIS86W ;
UN number	1154
CompTox Dashboard (EPA)	DTXSID501061682 DTXSID6021909, DTXSID501061682 ;
	InChI InChI=1S/C4H11N/c1-3-5-4-2/h5H,3-4H2,1-2H3 Key: HPNMFZURTQLUMO-UHFFFAOYSA-N ;
	SMILES CCNCC;
Properties
Chemical formula	C4H11N
Molar mass	73.139 g·mol−1
Appearance	Colourless liquid
Odor	fishy, ammonical
Density	0.7074 g mL−1
Melting point	−49.80 °C; −57.64 °F; 223.35 K
Boiling point	54.8 to 56.4 °C; 130.5 to 133.4 °F; 327.9 to 329.5 K
Solubility in water	Miscible
log P	0.657
Vapor pressure	24.2–97.5 kPa
Henry's law; constant (kH)	150 μmol Pa−1 kg−1
Acidity (pKa)	10.98 (of ammonium form)
Magnetic susceptibility (χ)	-56.8·10−6 cm3/mol
Refractive index (nD)	1.385
Thermochemistry
Heat capacity (C)	178.1 J K−1 mol−1
Std enthalpy of; formation (ΔfH⦵298)	−131 kJ mol−1
Std enthalpy of; combustion (ΔcH⦵298)	−3.035 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)	3 3 1
Flash point	−23 °C (−9 °F; 250 K)
Autoignition; temperature	312 °C (594 °F; 585 K)
Explosive limits	1.8–10.1%
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	540 mg/kg (rat, oral); 500 mg/kg (mouse, oral)
LC50 (median concentration)	4000 ppm (rat, 4 hr)
	NIOSH (US health exposure limits):
PEL (Permissible)	TWA 25 ppm (75 mg/m3)
REL (Recommended)	TWA 10 ppm (30 mg/m3) ST 25 ppm (75 mg/m3)
IDLH (Immediate danger)	200 ppm
Safety data sheet (SDS)	hazard.com
Related compounds
Related amines	Ethylamine; Dimethylamine; Trimethylamine; Triethylamine; Diisopropylamine;
	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

Diethylamine is an organic compound with the formula (CH₃CH₂)₂NH. It is a secondary amine. It is a flammable, weakly alkaline liquid that is miscible with most solvents. It is a colorless liquid, but commercial samples often appear brown due to impurities. It has a strong ammonia-like odor.

^ Merck Index, 12th Edition, 3160
^ Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The Royal Society of Chemistry. 2014. p. 671. doi:10.1039/9781849733069-FP001. ISBN 978-0-85404-182-4.
^ ^a ^b ^c NIOSH Pocket Guide to Chemical Hazards. "#0209". National Institute for Occupational Safety and Health (NIOSH).
^ ^a ^b "Diethylamine". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).

[1] Merck Index, 12th Edition, 3160

[2] Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The Royal Society of Chemistry. 2014. p. 671. doi:10.1039/9781849733069-FP001. ISBN 978-0-85404-182-4.

[PGCH-3] NIOSH Pocket Guide to Chemical Hazards. "#0209". National Institute for Occupational Safety and Health (NIOSH).

[IDLH-4] "Diethylamine". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).

[1]

[2]

[4]

[3]

Names


Preferred IUPAC name N-Ethylethanamine
Other names (Diethyl)amine Diethylamine (deprecated^[2])
Identifiers
CAS Number	109-89-7^Y
3D model (JSmol)	Interactive image
Beilstein Reference	605268
ChEBI	CHEBI:85259^Y
ChEMBL	ChEMBL1189^Y
ChemSpider	7730^Y
ECHA InfoCard	100.003.380
EC Number	203-716-3
MeSH	diethylamine
PubChem CID	8021
RTECS number	HZ8750000
UNII	B035PIS86W^Y
UN number	1154
CompTox Dashboard (EPA)	DTXSID501061682 DTXSID6021909, DTXSID501061682
InChI InChI=1S/C4H11N/c1-3-5-4-2/h5H,3-4H2,1-2H3^Y Key: HPNMFZURTQLUMO-UHFFFAOYSA-N^Y
SMILES CCNCC
Properties
Chemical formula	C₄H₁₁N
Molar mass	73.139 g·mol⁻¹
Appearance	Colourless liquid
Odor	fishy, ammonical
Density	0.7074 g mL⁻¹
Melting point	−49.80 °C; −57.64 °F; 223.35 K
Boiling point	54.8 to 56.4 °C; 130.5 to 133.4 °F; 327.9 to 329.5 K
Solubility in water	Miscible
log P	0.657
Vapor pressure	24.2–97.5 kPa
Henry's law constant (k_H)	150 μmol Pa⁻¹ kg⁻¹
Acidity (pK_a)	10.98 (of ammonium form)
Magnetic susceptibility (χ)	-56.8·10⁻⁶ cm³/mol
Refractive index (n_D)	1.385
Thermochemistry
Heat capacity (C)	178.1 J K⁻¹ mol⁻¹
Std enthalpy of formation (Δ_fH^⦵₂₉₈)	−131 kJ mol⁻¹
Std enthalpy of combustion (Δ_cH^⦵₂₉₈)	−3.035 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)	3 3 1
Flash point	−23 °C (−9 °F; 250 K)
Autoignition temperature	312 °C (594 °F; 585 K)
Explosive limits	1.8–10.1%
Lethal dose or concentration (LD, LC):
LD₅₀ (median dose)	540 mg/kg (rat, oral) 500 mg/kg (mouse, oral)^[4]
LC₅₀ (median concentration)	4000 ppm (rat, 4 hr)^[4]
NIOSH (US health exposure limits):
PEL (Permissible)	TWA 25 ppm (75 mg/m³)^[3]
REL (Recommended)	TWA 10 ppm (30 mg/m³) ST 25 ppm (75 mg/m³)^[3]
IDLH (Immediate danger)	200 ppm^[3]
Safety data sheet (SDS)	hazard.com
Related compounds
Related amines	Ethylamine Dimethylamine Trimethylamine Triethylamine Diisopropylamine
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references