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2-methyl-1-methyl thio-2-butene
2-methyl-1-methylthio-2-butene

Sponsors

Name:(E)-2-methyl-1-methylsulfanylbut-2-ene
CAS Number: 89534-74-7Picture of molecule3D/inchi
FDA UNII:B81KIE20DF
Nikkaji Web:J1.779.522H
XlogP3-AA:2.40 (est)
Molecular Weight:116.22664000
Formula:C6 H12 S
NMR Predictor:Predict (works with chrome or firefox)
EFSA/JECFA Comments:
(Flavour Industry, 2007j). Industry has informed: 99.3 % (E)-isomer, 0.2% (Z)-isomer, 0.2 % 1-methylthio-2-propanone, 0.1% methyl 2-methyl-2-butenoate, 0.2 % unknown. Register name to be changed to (E)-2-Methyl-1-methylthio-2-butene.
Category:flavoring agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
Google Books:Search
Google Scholar: with word "volatile"Search
Google Scholar: with word "flavor"Search
Google Scholar: with word "odor"Search
Perfumer and Flavorist:Search
Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
JECFA Food Flavoring:1683 2-methyl-1-methylthio-2-butene
FLAVIS Number:12.265 (Old)
DG SANTE Food Flavourings:12.265 2-methyl-1-methylthio-2-butene
FEMA Number:4173 2-methyl-1-methylthio-2-butene
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm: 2-METHYL-1-METHYLTHIO-2-BUTENE
 
Physical Properties:
Appearance:colorless clear liquid (est)
Assay: 99.30 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:0.85900 to 0.86400 @ 25.00 °C.
Pounds per Gallon - (est).: 7.148 to 7.189
Refractive Index:1.46800 to 1.47400 @ 20.00 °C.
Boiling Point: 78.00 °C. @ 760.00 mm Hg
Vapor Pressure:6.679000 mm/Hg @ 25.00 °C. (est)
Flash Point: 89.00 °F. TCC ( 31.67 °C. )
logP (o/w): 2.753 (est)
Soluble in:
 alcohol
 water, very slightly
 water, 487.9 mg/L @ 25 °C (est)
Insoluble in:
 water
 
Organoleptic Properties:
Odor Type: meaty
Odor Strength:high ,
recommend smelling in a 0.10 % solution or less
cooked roasted meaty
Odor Description:at 0.10 % in propylene glycol. cooked roasted meaty
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
Axsyn
For experimental / research use only.
2-METHYL-1-METHYLTHIO-2-BUTENE
Parchem
2-methyl-1-methyl thio-2-butene
Chemical Sources Association
Need This Item for Flavor/Food?: You can contact the Chemical Sources Association
 
Safety Information:
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
 
Safety in Use Information:
Category: flavoring agents
Recommendation for 2-methyl-1-methyl thio-2-butene usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.012 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 0.10 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI): ND (μg/person/day)
NOEL (No Observed Effect Level): 250 (mg/kg bw per day)
Threshold of Concern:1800 (μg/person/day)
Structure Class: I
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS).
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library
publication number: 22
 average usual ppmaverage maximum ppm
baked goods: --
beverages(nonalcoholic): --
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: 0.100000.25000
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: --
granulated sugar: --
gravies: 0.100000.25000
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: 0.100000.25000
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: 0.100000.25000
snack foods: 0.100000.25000
soft candy: --
soups: 0.100000.25000
sugar substitutes: --
sweet sauces: --
 
Safety References:
European Food Safety Athority(efsa):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...

European Food Safety Authority (EFSA) reference(s):

Flavouring Group Evaluation 91 (FGE.91): Consideration of simple aliphatic and aromatic sulphides and thiols evaluated by JECFA (53rd and 68th meetings) structurally related to aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups evaluated by EFSA in FGE.08Rev1 (2009)
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 91, Revision 1 (FGE.91Rev1): Consideration of simple aliphatic and aromatic sulphides and thiols evaluated by JECFA (53rd and 68th meetings) structurally related to aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups evaluated by EFSA in FGE.08Rev3 (2011)
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 91, Revision 2 (FGE.91Rev2): Consideration of simple aliphatic and aromatic sulphides and thiols evaluated by the JECFA (53rd and 68th meetings) structurally related to aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups evaluated by EFSA in FGE.08Rev5 (2012)
View page or View pdf

EPI System: View
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :5362832
National Institute of Allergy and Infectious Diseases:Data
(E)-2-methyl-1-methylsulfanylbut-2-ene
Chemidplus:0089534747
 
References:
 (E)-2-methyl-1-methylsulfanylbut-2-ene
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):5362832
Pubchem (sid):135284064
 
Other Information:
(IUPAC):Atomic Weights of the Elements 2009
(IUPAC):Atomic Weights of the Elements 2009 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Everything Added to Food in the United States (EAFUS):View
HMDB (The Human Metabolome Database):HMDB32411
FooDB:FDB009849
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
 
Potential Blenders and core components note
For Odor
alliaceous
dimethyl trisulfide
FL/FR
methyl furfuryl disulfide
FL/FR
burnt
rum ether
FL/FR
chocolate
2,6-
dimethyl pyrazine
FL/FR
coffee
coffee difuran
FL/FR
2-
methyl-3-,5 or 6-(furfuryl thio) pyrazine
FL/FR
earthy
nutty pyrazine
FL/FR
fermented
ethyl crotonate
FL/FR
fruity
tropical thiazole
FL/FR
tropical trithiane
FL/FR
green
2-
heptyl furan
FL/FR
(E,Z)-2,6-
nonadienal
FL/FR
meaty
meaty dithiane
FL/FR
4-
methyl nonanoic acid
FL/FR
sulfurol
FL/FR
sulfuryl acetate
FL/FR
moldy
strawberry furanone methyl ether
FL/FR
musty
hazelnut pyrazine
FL/FR
nutty
4,5-
dimethyl-2-ethyl-3-thiazoline
FL/FR
2-
ethyl pyrazine
FL/FR
2-
ethyl-4-methyl thiazole
FL/FR
2-
methyl pyrazine
FL/FR
2-
methyl-3-(methyl thio) pyrazine
FL/FR
phenolic
2,3-
dimethyl benzofuran
FL/FR
ortho-
guaiacol
FL/FR
4-
vinyl phenol
FL/FR
smoky
pyroligneous acids
FL/FR
sulfurous
benzothiazole
FL/FR
ethyl 2-mercaptopropionate
FL/FR
ethyl 3-mercaptopropionate
FL/FR
fish thiol
FL/FR
2-
mercaptopropionic acid
FL/FR
4-
methyl 4-mercaptopentan-2-one 1% solution
FL/FR
2-(
methyl thio) phenol
FL/FR
tobacco
methyl benzoxole
FL/FR
For Flavor
No flavor group found for these
4-
acetyl-2-methyl pyrimidine
FL
gamma-
aminobutyric acid
FL
amyl mercaptan
FL
1,2-
butane dithiol
FL
2-(2-
butyl)-4,5-dimethyl-3-thiazoline
FL
cyclopropyl (E,Z)-2,6-nonadienamide
FL
2,5-
diethyl thiazole
FL
3,6-
diethyl-1,2,4,5-tetrathiane and 3,5-diethyl-1,2,4-trithiolane mixture 1% in vegetable oil triglyceri
FL
dihydro-2,4,6-trimethyl-1,3,5(4H)-dithiazine
FL
dimethyl tetrasulfide
FL
2,6-
dimethyl-3-((2-methyl-3-furyl)thio)-4-heptanone
FL
bis(2,5-
dimethyl-3-furyl) disulfide
FL
(Z+E)-2,5-
dimethyl-3-tetrahydrofuran thiol
FL
(Z+E)-2,5-
dimethyl-3-thioacetoxytetrahydrofuran
FL
2,5-
dimethyl-3-thiofuroyl furan
FL
ethyl (E,Z)-2,6-nonadienamide
FL
S-
ethyl 2-acetyl aminoethane thioate
FL
ethyl 3-mercaptopropionate
FL/FR
ethyl 4-(acetyl thio) butyrate
FL
3-(
ethyl thio) butanol
FL
2-
ethyl-3-methyl thiopyrazine
FL
(Z+E)-5-
ethyl-4-methyl-2-(2-butyl) thiazoline
FL
(Z+E)-5-
ethyl-4-methyl-2-(2-methyl propyl) thiazoline
FL
2-
hexyl thiophene
FL
1-(3-
hydroxy-5-methyl-2-thienyl) ethanone
FL
3-
mercapto-3-methyl butyl formate
FL
4-
mercapto-3-methyl-2-butanol
FL
4-
methyl 4-mercaptopentan-2-one 1% solution
FL/FR
methyl dihydrofuran thiol
FL
2-
methyl thiazolidine
FL
2-(
methyl thio) ethanol
FL
2-
methyl-1-butane thiol
FL
4-
methyl-2-(methyl thiomethyl)-2-hexenal
FL
2-
methyl-2-thiazoline
FL
2-
methyl-3-,5 or 6-(furfuryl thio) pyrazine
FL/FR
2-
methyl-3-(methyl thio) pyrazine
FL/FR
2-
methyl-3-furyl tetrasulfide
FL
3-((2-
methyl-3-furyl)thio)-4-heptanone
FL
4-((2-
methyl-3-furyl)thio)-5-nonanone
FL
1,9-
nonane dithiol
FL
peanut dithiazine
FL
1-
phenethyl mercaptan
FL
1,3-
propane dithiol
FL
3-iso
propenyl pentane dioic acid
FL
propyl 2-methyl-3-furyl disulfide
FL
iso
propyl disulfide
FL
2-iso
propyl-3-(methyl thio) pyrazine
FL
thiazole
FL
3-
thienyl mercaptan
FL
thioacetic acid
FL
3,5-
diisopropyl-1,2,4-trithiolane
FL
N-(2-(3,4-
dimethoxyphenyl)ethyl)-3,4-dimethoxycinnamic acid amide
FL
3,5-
dimethyl-1,2,4-trithiolane
FL
3,7-
dimethyl-2,6-octadien-1-yl cyclopropyl carboxamide
FL
2,4-
dimethyl-3-oxazoline
FL
4-
mercapto-2-pentanone 1% in acetoin
FL
(±)-3-(
methyl thio) heptanal
FL
3-(
methyl thio) methyl thiophene
FL
pyrrolidino-(1,2E)-4H-2,4-dimethyl-1,3,5-dithiazine
FL
1-(2-
thienyl) butanone
FL
alliaceous
alliaceous
allyl disulfide
FL
allyl mercaptan
FL
1,3-
butane dithiol
FL
cyclopentyl mercaptan
FL
dimethyl trisulfide
FL/FR
3-
mercapto-2-pentanone
FL
3-
tetrahydrothiophenone
FL
tropical thiazole
FL/FR
burnt
bacon dithiazine
FL
1,6-
hexane dithiol
FL
rum ether
FL/FR
chemical
2,3-
dimethyl benzofuran
FL/FR
2,5-
dimethyl furan
FL
cocoa
butyraldehyde
FL
coffee
coffee difuran
FL/FR
2-
ethyl-4-methyl thiazole
FL/FR
methyl furfuryl disulfide
FL/FR
earthy
difurfuryl sulfide
FL
1,8-
octane dithiol
FL
eggy
iso
propyl mercaptan
FL
fatty
2-
heptyl furan
FL/FR
4-
methyl nonanoic acid
FL/FR
2-
pentyl thiophene
FL
fruity
tropical trithiane
FL/FR
green
4-
methyl thiazole
FL
(E,Z)-2,6-
nonadienal
FL/FR
4-
penten-1-yl acetate
FL
meaty
4-
allyl-2,6-dimethoxyphenol
FL
benzothiazole
FL/FR
2,6-
dimethyl thiophenol
FL
2,5-
dimethyl-3-furan thiol
FL
1,1-
ethane dithiol 1% in ethanol 94.5% / ethyl acetate 4%
FL
furfuryl 2-methyl-3-furyl disulfide
FL
4-
furfuryl thio-2-pentanone
FL
meaty dithiane
FL/FR
3-
mercapto-2-butanone
FL
(R,S)-2-
mercapto-3-butanol
FL
2-
mercaptomethyl pyrazine
FL
2-
mercaptopropionic acid
FL/FR
2-
methyl 3-(methyl thio) furan
FL
2-(
methyl thio) phenol
FL/FR
methyl thiofuryl butanal
FL
12-
methyl tridecanal
FL
bis(2-
methyl-3-furyl) disulfide
FL
S-(2-
methyl-3-furyl) ethane thioate
FL
2-
methyl-3-tetrahydrofuran thiol
FL
2-
methyl-3-thioacetoxytetrahydrofuran
FL
phenyl mercaptan
FL
propyl 2-mercaptopropionate
FL
pyrazinyl ethane thiol
FL
2-
pyridinyl methane thiol
FL
sulfurol
FL/FR
sulfuryl acetate
FL/FR
thialdine
FL
ortho-
thiocresol
FL
ortho-
thioguaiacol
FL
metallic
2,5-
dihydroxy-1,4-dithiane
FL
moldy
strawberry furanone methyl ether
FL/FR
musty
hazelnut pyrazine
FL/FR
nutty
3-
acetyl-2,5-dimethyl thiophene
FL
2-
acetyl-4-methyl thiazole
FL
2-
butyl-2-butenal
FL
3,5-
diethyl-2-methyl pyrazine
FL
2,5-
diethyl-3-methyl pyrazine
FL
2,6-
dimethyl pyrazine
FL/FR
4,5-
dimethyl-2-ethyl-3-thiazoline
FL/FR
2-
ethyl pyrazine
FL/FR
methyl benzoxole
FL/FR
2-
methyl pyrazine
FL/FR
nutty pyrazine
FL/FR
nutty thiazole
FL
onion
ethyl 2-mercaptopropionate
FL/FR
furfuryl isopropyl sulfide
FL
phenolic
2-
ethyl benzene thiol
FL
4-
vinyl phenol
FL/FR
popcorn
2-
propionyl-2-thiazoline
FL
radish
3-(
methyl thio) propyl mercaptoacetate
FL
roasted
hexyl mercaptan
FL
rummy
ethyl crotonate
FL/FR
savory
N-(2,4-
dimethoxybenzyl)-N2-(2-(pyridin-2-yl)ethyl) oxalamide
FL
N-(
heptan-4-yl)benzo(D)(1,3)dioxole-5-carboxamide
FL
N1-(2-
methoxy-4-methyl benzyl)-N2-(2-(pyridin-2-yl)ethyl) oxalamide
FL
N1-(2-
methoxy-4-methyl benzyl)-N2-2(2-(5-methyl pyridin-2-yl)ethyl) oxalamide
FL
smoky
prosopis juliflora wood extract
FL
pyroligneous acids
FL/FR
sulfurous
2,3-
butane dithiol
FL
ethyl methyl sulfide
FL
S-
ethyl thioacetate
FL
fish thiol
FL/FR
methyl 2-methyl-3-furyl disulfide
FL
3-
methyl-2-butane thiol
FL
2-
naphthyl mercaptan
FL
roasted butanol
FL
2,4,6-
trithiaheptane 10% in triacetin
FL
vegetable
tyramine
FL
wasabi
2-(
methyl thio) ethyl acetate
FL
woody
ortho-
guaiacol
FL/FR
yeasty
faex extracts
FL
 
Potential Uses:
FLmeat
 
Occurrence (nature, food, other):note
 found in nature
 
Synonyms:
2-butene, 2-methyl-1-(methylthio)-
 methyl 2-methyl-2-butenyl sulfide
 methyl 2-methylbut-2-en-1-yl sulfide
 methyl 2-methylbut-2-en-1-yl sulphide
2-methyl-1-(methylthio)-2-butene
2-methyl-1-(methylthio)but-2-ene
2-methyl-1-methyl sulfanyl but-2-ene
(E)-2-methyl-1-methylsulfanylbut-2-ene
2-methyl-1-methylthio-2-butene
 

Articles:

 None found yet.
 
Notes:
Used as a food additive [EAFUS]
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