Diallyl disulfide

Agent Name
Diallyl disulfide
CAS Number
2179-57-9
Formula
C6-H10-S2
Major Category
Other Classes
Diallyl disulfide formula graphical representation
Synonyms
2-Propenyl disulfide; 2-Propenyl disulphide; 4,5-Dithia-1,7-octadiene; Allyl disulfide; Allyl disulphide; Di(2-propenyl) disulfide; Diallyl disulphide; Disulfide, di-2-propenyl; [ChemIDplus] UN1993
Category
Sulfur Compounds
Description
Liquid with a garlic odor; [HSDB] Colorless liquid with a garlic-like stench; [Alfa Aesar MSDS]
Sources/Uses
Major constituent of garlic oil; [ChemIDplus] Used as synthetic flavoring ingredient; [HSDB] Constitutes 86.9% of diallyl disulfides (DADs) which is 90% active ingredient of biopesticide used to control white rot (fungal pathogen) in onions, garlic, and leeks; DADs are volatile sulfur compounds found in garlic, onions, and other members of Allium species; [EPA]
Comments
One of the volatiles in onions responsible for lacrimation; Emergency treatment: Irritants; [HSDB] One of the major allergens in garlic and onions; [Kanerva, p. 1777] Diallyl disulfides (DADs): A moderate eye and strong skin irritant in rabbits; A skin sensitizer in guinea pigs using the Buehler method; Causes breathing abnormalities, wobbly gait, and decreased activity in oral lethal-dose studies of rats; Oral LD50 (rat) = 346 mg/kg; Dermal LD50 (rat) = 1,967 mg/kg; [EPA] Safe when used as a flavoring agent in food; [JECFA] A moderate skin and severe eye irritant; Causes hemolysis in oral lethal-dose study of rats; [RTECS] A skin and strong eye irritant; [Alfa Aesar MSDS]
Biomedical References

Exposure Assessment

Vapor Pressure
1 mm Hg
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Flammable liquid, n.o.s."

Adverse Effects

Skin Sensitizer
Yes
Lachrymator
Yes

Diseases, Processes, and Activities Linked to This Agent

Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: