2,3-Butanediamine

2,3-Butanediamine
Names
	Preferred IUPAC name Butane-2,3-diamine
	Other names 1,2-Dimethylethylenediamine; 2,3-Diaminobutane
Identifiers
CAS Number	563-86-0 ; (R,S): 948906-21-6 ; (R,R): 52165-57-8 ; (S,S): 52165-56-7 ; rel-(R,S): 20759-15-3 ; (±): 20699-48-3 ;
3D model (JSmol)	Interactive image; (S,S): Interactive image; rel-(R,S): Interactive image;
ChemSpider	rel-(R,S): 18500663;
PubChem CID	136362; (S,S): 7021489;
UNII	(S,S): 3V33XP143Y; (±): L55K56E9N0;
CompTox Dashboard (EPA)	DTXSID00903769 ;
	InChI InChI=1S/C4H12N2/c1-3(5)4(2)6/h3-4H,5-6H2,1-2H3 Key: GHWVXCQZPNWFRO-UHFFFAOYSA-N; (S,S): InChI=1S/C4H12N2/c1-3(5)4(2)6/h3-4H,5-6H2,1-2H3/t3-,4-/m0/s1 Key: GHWVXCQZPNWFRO-IMJSIDKUSA-N; rel-(R,S): InChI=1S/C4H12N2/c1-3(5)4(2)6/h3-4H,5-6H2,1-2H3/t3-,4+ Key: GHWVXCQZPNWFRO-ZXZARUISSA-N;
	SMILES NC(C)C(N)C; (S,S): C[C@@H]([C@H](C)N)N; rel-(R,S): C[C@H]([C@H](C)N)N;
Properties
Chemical formula	C4H12N2
Molar mass	88.154 g·mol−1
Appearance	colorless oil
Boiling point	44-45 °C (25 mmHg, rac); 46-48 °C (25 mmHg, meso); 55.3-59.3 °C (60 mmHg, DL-threo); 56.1-60.5 °C (60 mmHg, meso)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

2,3-Butanediamine are organic compounds with the formula CH₃CH(NH₂)CH(NH₂)CH₃. Three stereoisomers exist, meso and a pair of enantiomers. These diamines form complexes with transition metals.