1,2-Diaminocyclohexane

1,2-Diaminocyclohexane (DACH) is an organic compound with the formula (CH2)4(CHNH2)2. It is a mixture of three stereoisomers: cis-1,2-diaminocyclohexane and both enantiomers of trans-1,2-diaminocyclohexane. The mixture is a colorless, corrosive liquid, although older samples can appear yellow. It is often called DCH-99 and also DACH.

1,2-Diaminocyclohexane
Names
Preferred IUPAC name
Cyclohexane-1,2-diamine
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.010.707
EC Number
  • 211-776-7
PubChem CID
UNII
UN number 2735
  • InChI=1S/C6H14N2/c7-5-3-1-2-4-6(5)8/h5-6H,1-4,7-8H2
    Key: SSJXIUAHEKJCMH-UHFFFAOYSA-N
SMILES
  • C1CCC(C(C1)N)N
Properties
C6H14N2
Molar mass 114.192 g·mol−1
Hazards
GHS labelling:
Danger
H302, H312, H314, H317, H332, H335
P260, P261, P264, P270, P271, P272, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P310, P312, P321, P322, P330, P333+P313, P363, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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