1,2-Diaminopropane

1,2-Diaminopropane
Names
	Preferred IUPAC name Propane-1,2-diamine
	Other names 1,2-Propanediamine
Identifiers
CAS Number	78-90-0 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	605274
ChEBI	CHEBI:30630 ;
ChemSpider	13849260 ; 394801 R ; 557530 S ;
ECHA InfoCard	100.001.051
EC Number	201-155-9;
Gmelin Reference	25709
MeSH	1,2-diaminopropane
PubChem CID	6567; 447820 R; 642322 S;
RTECS number	TX6650000;
UNII	2A4P522UGO ;
UN number	2258
CompTox Dashboard (EPA)	DTXSID4021761 ;
	InChI InChI=1S/C3H10N2/c1-3(5)2-4/h3H,2,4-5H2,1H3 Key: dAOHJOMMDDJHIJH-UHFFFAOYSA-N ;
	SMILES CC(N)CN;
Properties
Chemical formula	C3H10N2
Molar mass	74.127 g·mol−1
Appearance	Colourless liquid
Odor	Fishy, ammoniacal
Density	870 mg mL−1
Melting point	−37.1 °C; −34.9 °F; 236.0 K
Boiling point	119.6 °C; 247.2 °F; 392.7 K
Vapor pressure	1.9 kPa (at 20 °C)
Magnetic susceptibility (χ)	-58.1·10−6 cm3/mol
Refractive index (nD)	1.446
Thermochemistry
Heat capacity (C)	205.64 J K−1 mol−1
Std molar; entropy (S⦵298)	247.27 J K−1 mol−1
Std enthalpy of; formation (ΔfH⦵298)	−98.2–−97.4 kJ mol−1
Std enthalpy of; combustion (ΔcH⦵298)	−2.5122–−2.5116 MJ mol−1
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H226, H302, H312, H314
Precautionary statements	P280, P305+P351+P338, P310
Flash point	34 °C (93 °F; 307 K)
Autoignition; temperature	360 °C (680 °F; 633 K)
Explosive limits	1.9–11.1%
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	434 mg kg−1 (dermal, rabbit); 2.23 g kg−1 (oral, rat);
Related compounds
Related alkanamines	Ethylamine; Ethylenediamine; Propylamine; Isopropylamine; 1,3-Diaminopropane; Isobutylamine; tert-Butylamine; n-Butylamine; sec-Butylamine; Putrescine;
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

1,2-Diaminopropane (propane-1,2-diamine) is organic compound with the formula CH₃CH(NH₂)CH₂NH₂. A colorless liquid, it is the simplest chiral diamine. It is used as a bidentate ligand in coordination chemistry.

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