Allyl propyl disulfide

Allyl propyl disulfide

IUPAC name 3-propyldisulfanylprop-1-ene
Other names 2-Propenyl propyl disulphide; 4,5-Dithia-1-octene
Identifiers
CAS number	2179-59-1
ChemSpider	15731^Y
Jmol-3D images	Image 1
SMILES S(SCCC)CC=C
InChI InChI=1S/C6H12S2/c1-3-5-7-8-6-4-2/h3H,1,4-6H2,2H3^Y Key: FCSSPCOFDUKHPV-UHFFFAOYSA-N^Y InChI=1/C6H12S2/c1-3-5-7-8-6-4-2/h3H,1,4-6H2,2H3 Key: FCSSPCOFDUKHPV-UHFFFAOYAQ
Properties
Molecular formula	C₆H₁₂S₂
Appearance	Pale-yellow liquid
Density	0.984 g/cm³
Hazards
Flash point	54.4 °C
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Allyl propyl disulfide is an organic compound with the chemical formula C₆H₁₂S₂. It is a pale-yellow liquid with a strong odor, it is a main ingredient in onion oil and used as food additives and flavors. This substance is present in garlic, onion, etc., and is very easily evaporated. When onion or garlic is sliced, the substance evaporates and causes eyes to irritate. When garlic or onion is cooked, it also evaporates, ridding them of the spicy taste, and leaving sweet taste in them.