Dimethyl trisulfide

Dimethyl trisulfide Basic information
Product Name:Dimethyl trisulfide
Synonyms:DIMETHYL TRISULFIDE 98+%;CH3SSSCH3;dimethyl trisufide;Trisulfide,dimethyl;Trimethyl trisulfide, 98+%;Dimethyl pertrisulfide;FEMA 3275;DIMETHYL TRISULFIDE
CAS:3658-80-8
MF:C2H6S3
MW:126.26
EINECS:222-910-9
Product Categories:DID - DINChromatography;Alphabetic;D;Life Sciences Standards;Natural Compounds;Natural CompoundsChemical Class;Other;Alphabetical Listings;C-D;Flavors and Fragrances;sulfide Flavor
Mol File:3658-80-8.mol
Dimethyl trisulfide Structure
Dimethyl trisulfide Chemical Properties
Melting point −68 °C(lit.)
Boiling point 58 °C15 mm Hg(lit.)
density 1.202 g/mL at 25 °C(lit.)
FEMA 3275 | DIMETHYL TRISULFIDE
refractive index n20/D 1.602(lit.)
Fp 133 °F
storage temp. Store at -20°C
solubility Chloroform (Sparingly), Methanol (Slightly)
form Liquid
color Clear yellow
Odorat 0.10 % in propylene glycol. sulfurous cooked onion savory meaty
Odor Typealliaceous
Water Solubility Insoluble in water.
JECFA Number582
BRN 1731604
LogP2.93
CAS DataBase Reference3658-80-8(CAS DataBase Reference)
NIST Chemistry ReferenceTrisulfide, dimethyl(3658-80-8)
EPA Substance Registry SystemTrisulfide, dimethyl (3658-80-8)
Safety Information
Hazard Codes Xn
Risk Statements 22-36/37/38-36/38-20/22-10
Safety Statements 26-37/39-16-24/25
RIDADR UN 1993 3/PG 3
WGK Germany 3
10-23
TSCA Yes
HazardClass 3.2
PackingGroup III
HS Code 29309090
MSDS Information
ProviderLanguage
ACROS English
SigmaAldrich English
Dimethyl trisulfide Usage And Synthesis
Chemical Propertiesclear yellow liquid
Chemical PropertiesDimethyl trisulfide has a powerful, diffusive, penetrating odor reminiscent of fresh onion
OccurrenceReported as occurring in the volatile portion of fresh onion juice; the major aroma component in cooked vegetables of the Brassica genus. Also reported found in kohlrabi, cabbage, onion, garlic, shallots, leek, peas, mustard, tomato, wheaten bread, cheeses, milk, cooked chicken, pork, beef, hop oil, beer, brandies, whiskey, sherry, grape wine, cocoa, coffee, roasted peanuts, mushrooms, broccoli, cauliflower, brussels sprouts, radishes, pumpkin, sweet corn, asparagus, black tea, shellfish and squid.
UsesDimethyl trisulfide is reported as a major aroma component in cooked Brassicaceous vegetables. Trap baits containing dimethyl trisulfide have been used to capture Calliphora loewi and other blowflies. Dimethyl trisulfide along with dimethyl sulfide and dimethyl disulfide have been confirmed as volatile compounds given off by the fly-attracting plant known as dead-horse arum (Helicodiceros muscivorus). These flies are attracted to the odor of fetid meat and help pollinate this plant.
PreparationIt is produced by the microorganism, L. cremoris S2.
DefinitionChEBI: Dimethyl trisulfide is an organic trisulfide.
Taste threshold valuesTaste characteristics at 2.0 ppm: sulfureous, alliaceous, gassy, savory and meaty with a fresh, vegetative nuance
Synthesis Reference(s)Tetrahedron Letters, 30, p. 2995, 1989 DOI: 10.1016/S0040-4039(00)99178-0
Dimethyl trisulfide Preparation Products And Raw materials
DIISOPROPYL TRISULFIDE bis(trifluoromethyl)trisulfide Dimethyl trisulfide Methyl propyl trisulfide Diallyl trisulfide Thiocyclam BIS(PHENYLSULFONYL)SULFIDE BENZYL TRISULFIDE Thiocyclam hydrogen oxalate Lenthionine Dipropyl trisulfide N,N-Dimethylaniline Methyl allyl trisulfide 2-PROPENYL PROPYL TRISULFIDE Dimethyl ether bis(2-hydroxyethyl)trisulfide Dimethyl phthalate 3,4,5-TRITHIAHEPTANE

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