2,4-Dithiapentane

2,4-Dithiapentane

Skeletal formula of 2,4-dithiapentane
Ball-and-stick model
Names
IUPAC name 2,4-Dithiapentane
Other names Bis(methylthio)methane Bis(methylsulfanyl)methane Bis(methylmercapto)methane
Identifiers
CAS Number	1618-26-4 N
Beilstein Reference	1731143
ChemSpider	14639 Y
Jmol 3D model	Interactive image Interactive image
PubChem	15380
InChI InChI=1S/C3H8S2/c1-4-3-5-2/h3H2,1-2H3 Y Key: LOCDPORVFVOGCR-UHFFFAOYSA-N Y InChI=1/C3H8S2/c1-4-3-5-2/h3H2,1-2H3 Key: LOCDPORVFVOGCR-UHFFFAOYAH
SMILES CSCSC S(C)CSC
Properties
Chemical formula	C3H8S2
Molar mass	108.22 g·mol−1
Appearance	Liquid
Density	1.059 g/cm3, liquid
Melting point	−20.5 °C (−4.9 °F; 252.7 K)
Boiling point	147 °C (297 °F; 420 K)
Solubility in water	Immiscible
Refractive index (nD)	1.53
Viscosity	0.00113 Pa s
Vapor pressure	{{{value}}}
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

2,4-Dithiapentane is an organosulfur compound known to be an important component of truffle flavor. It is used as a primary aromatic ingredient in truffle oil when combined in an olive oil base. It is a colorless liquid with a strong odor.

2,4-Dithiapentane is the dimethylthioacetal of formaldehyde. It is prepared by the acid-catalyzed addition of methyl mercaptan to formaldehyde.

2 CH₃SH + H₂C=O → CH₃SCH₂SCH₃ + H₂O

See also

• Truffle