1,5-Dithiacyclooctane

1,5-Dithiacyclooctane (DTCO) is an organosulfur compound with the formula (CH₂CH₂)CH₂S)₂. This cyclic dithioether is a colorless oil that is soluble in polar solvents. It forms a variety of transition metal thioether complexes.

1,5-Dithiacyclooctane

Names
Preferred IUPAC name 1,5-Dithiocane
Other names DTO
Identifiers
CAS Number	6572-95-8
3D model (JSmol)	Interactive image
ChemSpider	4424845
PubChem CID	5259509
CompTox Dashboard (EPA)	DTXSID201337159
InChI InChI=1S/C6H12S2/c1-3-7-5-2-6-8-4-1/h1-6H2 Key: QQMWBFKOHYFXKQ-UHFFFAOYSA-N
SMILES C1CSCCCSC1
Properties
Chemical formula	C6H12S2
Molar mass	148.28 g·mol−1
Appearance	colorless liquid
Melting point	−15 °C (5 °F; 258 K)
Boiling point	245–6 °C (473–43 °F; 518–279 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

DTO can be oxidized to the bicyclic dication.^[1]

Structure of (DTCO)PdCl₂.

DTCO was first prepared in 4% yield by dialkylation of 1,3-propanedithiol with 1,3-dibromopropane.^[2]