EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes
 

1-(methyl thio)-1-butene
1-butenyl methyl sulfide

Supplier Sponsors

CAS Number: 32951-19-2Picture of molecule3D/inchi
FDA UNII: PI166QHN3H
XlogP3-AA:2.00 (est)
Molecular Weight:102.19970000
Formula:C5 H10 S
NMR Predictor:Predict (works with chrome, Edge or firefox)
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
PubMed:Search
NCBI:Search
JECFA Food Flavoring:457 (1-buten-1-yl) methyl sulfide
DG SANTE Food Flavourings:12.211 but-1-enyl methyl sulphide
FEMA Number:3820 1-butenyl methyl sulfide
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF):32951-19-2 ; 1-BUTEN-1-YL METHYL SULFIDE
 
Physical Properties:
Appearance:pale yellow clear liquid (est)
Assay: 98.00 to 100.00 sum of isomers
Food Chemicals Codex Listed: No
Specific Gravity:0.94300 to 0.94800 @ 25.00 °C.
Pounds per Gallon - (est).: 7.847 to 7.888
Refractive Index:1.39300 to 1.41300 @ 20.00 °C.
Boiling Point: 123.00 to 125.00 °C. @ 760.00 mm Hg
Vapor Pressure:13.088000 mmHg @ 25.00 °C. (est)
Flash Point: 75.00 °F. TCC ( 23.90 °C. ) (est)
logP (o/w): 2.916 (est)
Soluble in:
 alcohol
 water, 874.8 mg/L @ 25 °C (est)
Insoluble in:
 water
 
Organoleptic Properties:
Odor Description:sulfurous
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
Axsyn
For experimental / research use only.
1-Butene,1-(methylthio)-
BOC Sciences
For experimental / research use only.
1-(Butenyl-1)methylsulphide
Parchem
1-buten-1-yl methyl sulfide
 
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 1-(methyl thio)-1-butene usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): ND (μg/capita/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: 18
Click here to view publication 18
 average usual ppmaverage maximum ppm
baked goods: 0.060001.00000
beverages(nonalcoholic): 0.200002.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: 0.010000.04000
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: 0.100001.00000
granulated sugar: --
gravies: 0.100001.00000
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: 0.400004.00000
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: 5.000005.00000
snack foods: --
soft candy: --
soups: --
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 8 (FGE.08)[1]: Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical group 20
View page or View pdf

Flavouring Group Evaluation 8, Revision 1 (FGE.08Rev1): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 8, Revision 3 (FGE.08Rev3): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 08, Revision 4 (FGE.08Rev4): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30
View page or View pdf

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :5368103
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
1-methylsulfanylbut-1-ene
Chemidplus:0032951192
 
References:
 1-methylsulfanylbut-1-ene
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):5368103
Pubchem (sid):135279192
 
Other Information:
(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Substances Added to Food (formerly EAFUS):View
HMDB (The Human Metabolome Database):HMDB38892
FooDB:FDB018354
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
FAO:(1-Buten-1-yl) methyl sulfide
 
Potential Blenders and core components note
For Odor
No odor group found for these
sulfuryl octanoate
FL/FR
sulfuryl butyrate
FL/FR
sulfuryl decanoate
FL/FR
sulfuryl hexanoate
FL/FR
sulfuryl isobutyrate
FL/FR
sulfuryl propionate
FL/FR
valeraldehyde dibutyl acetal
FL/FR
valeraldehyde propylene glycol acetal
FL/FR
animal
animal
4-
ethoxyphenol
CS
balsamic
propyl benzoate
FL/FR
bready
coffee furanone
FL/FR
buttery
acetyl propionyl
FL/FR
3,4-
hexane dione
FL/FR
camphoreous
bornyl isobutyrate
FL/FR
caramellic
ethyl 2-hydroxy-2-methyl butyrate
FL/FR
chocolate
chocolate pyrazine A
FL/FR
cocoa hexenal
FL/FR
2,5-
dimethyl pyrazine
FL/FR
2-
methoxy-3-methyl pyrazine
FL/FR
2-
methoxypyrazine
FL/FR
cocoa
2-
methyl butyraldehyde
FL/FR
coconut
alpha-
angelica lactone
FL/FR
gamma-
heptalactone
FL/FR
corn chip
popcorn pyrimidine
FL/FR
coumarinic
coumane
FL/FR
tonka bean resinoid
FR
earthy
2-
ethyl-3-methoxypyrazine
FL/FR
nutty pyrazine
FL/FR
fatty
coconut absolute
FL/FR
fermented
valeraldehyde
FL/FR
floral
boronia butenal
FR
para-
cresyl laurate
FL/FR
ortho-
methyl acetophenone
FL/FR
fruity
allyl 2-ethyl butyrate
FL/FR
iso
amyl nonanoate
FL/FR
methyl valerate
FL/FR
3-
methyl-2-butenal
FL/FR
tropical thiazole
FL/FR
green
2-
heptyl furan
FL/FR
(E,Z)-2,6-
nonadien-1-yl acetate
FL/FR
herbal
saffron pyranone
FR
musty
2-
acetyl pyrrole
FL/FR
3-
acetyl-2,5-dimethyl furan
FL/FR
hazelnut pyrazine
FL/FR
menthofuran
FL/FR
naphthyl
ortho-
methyl anisole
FL/FR
para-
methyl anisole
FL/FR
nutty
3-
acetyl pyridine
FL/FR
2-
acetyl-3-ethyl pyrazine
FL/FR
2-
acetyl-3-methyl pyrazine
FL/FR
2-
acetyl-3,5-dimethyl pyrazine
FL/FR
2-
acetyl-5-methyl furan
FL/FR
3,6-
cocoa pyrazine
FL/FR
3,5-
cocoa pyrazine
FL/FR
2,3-
dimethyl pyrazine
FL/FR
4,5-
dimethyl-2-ethyl-3-thiazoline
FL/FR
2-
ethyl pyrazine
FL/FR
2-
ethyl-4-methyl thiazole
FL/FR
filbert heptenone
FL/FR
filbert pyrazine
FL/FR
2,6-
lutidine
FL/FR
maraniol
CS
2-
methyl pyrazine
FL/FR
5-
methyl quinoxaline
FL/FR
2-
methyl thio-3,5 or 6-methyl pyrazine
FL/FR
2-
methyl-3-(methyl thio) pyrazine
FL/FR
2-
methyl-3-ethoxypyrazine
FL/FR
2-
methyl-3-propyl pyrazine
FL/FR
nutty cyclohexenone
FL/FR
nutty quinoxaline
FL/FR
shoyu pyrazine
FL/FR
2,3,5,6-
tetramethyl pyrazine
FL/FR
2,4,5-
trimethyl oxazole
FL/FR
2,3,5-
trimethyl pyrazine
FL/FR
vinyl sulfurol
FL/FR
popcorn
2-
acetyl pyrazine
FL/FR
2-
acetyl thiazole
FL/FR
spicy
3-(2-
furyl) acrolein
FL/FR
sulfurous
benzothiazole
FL/FR
furfuryl thioacetate
FL/FR
tobacco
veltonal (Bedoukian)
FR
tonka
coumarin
FR
tonka bean absolute
FR
whiskey lactone
FL/FR
waxy
butyl laurate
FL/FR
woody
cedrenyl acetate
FR
2-
methoxy-4-vinyl phenol
FL/FR
For Flavor
No flavor group found for these
bornyl isobutyrate
FL/FR
2(4)-iso
butyl-4(2),6-dimethyl dihydro-4H-1,3,5-dithiazine
FL
butyramide
FL
chocolate pyrazine A
FL/FR
chocolate pyrazine B
FL
coumane
FL/FR
cyclohexyl methyl pyrazine
FL
2,5-
diethyl thiazole
FL
2,5-
diethyl-4-methyl thiazole
FL
6,7-
dihydro-2,3-dimethyl-5H-cyclopentapyrazine
FL
dimethyl dihydrocyclopentapyrazine
FL
2,5-
dimethyl thiazole
FL
ethyl 2-hydroxy-2-methyl butyrate
FL/FR
2-
ethyl-3-methoxypyrazine
FL/FR
(Z+E)-5-
ethyl-4-methyl-2-(2-butyl) thiazoline
FL
(Z+E)-5-
ethyl-4-methyl-2-(2-methyl propyl) thiazoline
FL
3-(2-
furyl) acrolein
FL/FR
(E,E)-2,4-
heptadien-1-ol
FL
2-
hexyl-5 or 6-keto-1,4-dioxane
FL
2-
methoxypyrazine
FL/FR
methyl 2-(methyl thio) acetate
FL
2-
methyl-3-(methyl thio) pyrazine
FL/FR
2-
methyl-3-ethoxypyrazine
FL/FR
peanut dithiazine
FL
2-
propyl pyridine
FL
para-
salicylic acid
FL
sulfuryl butyrate
FL/FR
sulfuryl decanoate
FL/FR
sulfuryl hexanoate
FL/FR
sulfuryl isobutyrate
FL/FR
valeraldehyde propylene glycol acetal
FL/FR
5-
acetyl-2,3-dihydro-1,4-thiazine
FL
sulfuryl formate
FL
sulfuryl octanoate
FL/FR
sulfuryl propionate
FL/FR
valeraldehyde dibutyl acetal
FL/FR
alliaceous
alliaceous
2-
methyl thioacetaldehyde
FL
tropical thiazole
FL/FR
anisic
ortho-
methyl acetophenone
FL/FR
bready
2-
propionyl thiazole
FL
burnt
2-
methyl quinoxaline
FL
2,4,5-
trimethyl oxazole
FL/FR
buttery
butyroin
FL
3,4-
hexane dione
FL/FR
camphoreous
ortho-
methyl anisole
FL/FR
cocoa
cocoa hexenal
FL/FR
coffee
difurfuryl ether
FL
2-
ethyl-4-methyl thiazole
FL/FR
2-iso
propyl pyrazine
FL
corn chip
2-
acetyl thiazole
FL/FR
2-
acetyl-2-thiazoline
FL
popcorn pyrimidine
FL/FR
creamy
alpha-
angelica lactone
FL/FR
earthy
2-
methyl-3-propyl pyrazine
FL/FR
ethereal
allyl 2-ethyl butyrate
FL/FR
fatty
coconut absolute
FL/FR
(E,E)-2,4-
decadienal
FL
2-
heptyl furan
FL/FR
(E,E)-2,4-
nonadienal
FL
fishy
4,5-
dimethyl thiazole
FL
fruity
2,4-
hexadien-1-ol
FL
methyl valerate
FL/FR
3-
methyl-2-butenal
FL/FR
propyl benzoate
FL/FR
fusel
2-
methyl butyraldehyde
FL/FR
green
dihydroxyacetophenone (mixed isomers)
FL
2,5-
dimethyl thiophene
FL
4-
methyl thiazole
FL
2-
methyl-5-isopropyl pyrazine
FL
(E,Z)-2,6-
nonadien-1-yl acetate
FL/FR
2-
vinyl pyrazine
FL
lactonic
gamma-
heptalactone
FL/FR
meaty
benzothiazole
FL/FR
musty
2,5-
dimethyl pyrazine
FL/FR
2-
ethoxythiazole
FL
hazelnut pyrazine
FL/FR
menthofuran
FL/FR
propionaldehyde
FL
shoyu pyrazine
FL/FR
2,3,5-
trimethyl pyrazine
FL/FR
naphthyl
para-
methyl anisole
FL/FR
nutty
3-
acetyl pyridine
FL/FR
2-
acetyl pyrrole
FL/FR
3-
acetyl-2,5-dimethyl furan
FL/FR
2-
acetyl-3-ethyl pyrazine
FL/FR
2-
acetyl-3-methyl pyrazine
FL/FR
2-
acetyl-3,5-dimethyl pyrazine
FL/FR
2-
acetyl-5-methyl furan
FL/FR
3,6-
cocoa pyrazine
FL/FR
3,5-
cocoa pyrazine
FL/FR
coffee furanone
FL/FR
3,5-
diethyl-2-methyl pyrazine
FL
2,5-
diethyl-3-methyl pyrazine
FL
2,3-
dimethyl pyrazine
FL/FR
4,5-
dimethyl-2-ethyl-3-thiazoline
FL/FR
2,4-
dimethyl-5-vinyl thiazole
FL
2-
ethyl pyrazine
FL/FR
1-
ethyl-2-acetyl pyrrole
FL
filbert heptenone
FL/FR
filbert pyrazine
FL/FR
european
hazelnut oleoresin
FL
2,6-
lutidine
FL/FR
2-
methoxy-3-methyl pyrazine
FL/FR
2-
methyl pyrazine
FL/FR
5-
methyl quinoxaline
FL/FR
2-
methyl thio-3,5 or 6-methyl pyrazine
FL/FR
nutty cyclohexenone
FL/FR
nutty pyrazine
FL/FR
nutty quinoxaline
FL/FR
nutty thiazole
FL
peanut oxazole
FL
2,3,5,6-
tetramethyl pyrazine
FL/FR
vinyl sulfurol
FL/FR
popcorn
2-
propionyl-2-thiazoline
FL
roasted
2-
acetyl pyrazine
FL/FR
furfuryl thioacetate
FL/FR
smoky
2-
methoxy-4-vinyl phenol
FL/FR
toasted
acetyl propionyl
FL/FR
waxy
butyl laurate
FL/FR
para-
cresyl laurate
FL/FR
winey
iso
amyl nonanoate
FL/FR
5-
ethyl-2-methyl pyridine
FL
valeraldehyde
FL/FR
woody
whiskey lactone
FL/FR
 
Potential Uses:
None Found
 
Occurrence (nature, food, other):note
 peanut roasted peanut
Search Trop Picture
 
Synonyms:
 but-1-en-1-yl methyl sulfide
 but-1-enyl methyl sulphide
1-buten-1-yl methyl sulfide
(1-buten-1-yl) methyl sulfide
1-butene, 1-(methylthio)-
1-butenyl methyl sulfide
(1-butenyl-1)methylsulphide
1-(methylsulfanyl)but-1-ene
1-methylsulfanylbut-1-ene
1-(methylthio)-1-butene
 
 
Notes:
Food flavouring ingredient. Present in roasted peanuts
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