| CAS Number: | 89534-74-7 | 3D/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, Edge 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:
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 mmHg @ 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 |
| |
| | 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:
Suppliers:
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
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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 |
| Click here to view publication 22 |
| | average usual ppm | average maximum ppm |
| baked goods: | - | - |
| beverages(nonalcoholic): | - | - |
| beverages(alcoholic): | - | - |
| breakfast cereal: | - | - |
| cheese: | - | - |
| chewing gum: | - | - |
| condiments / relishes: | 0.10000 | 0.25000 |
| confectionery froastings: | - | - |
| egg products: | - | - |
| fats / oils: | - | - |
| fish products: | - | - |
| frozen dairy: | - | - |
| fruit ices: | - | - |
| gelatins / puddings: | - | - |
| granulated sugar: | - | - |
| gravies: | 0.10000 | 0.25000 |
| hard candy: | - | - |
| imitation dairy: | - | - |
| instant coffee / tea: | - | - |
| jams / jellies: | - | - |
| meat products: | 0.10000 | 0.25000 |
| milk products: | - | - |
| nut products: | - | - |
| other grains: | - | - |
| poultry: | - | - |
| processed fruits: | - | - |
| processed vegetables: | - | - |
| reconstituted vegetables: | - | - |
| seasonings / flavors: | 0.10000 | 0.25000 |
| snack foods: | 0.10000 | 0.25000 |
| soft candy: | - | - |
| soups: | 0.10000 | 0.25000 |
| 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 |
Scientific Opinion on Flavouring Group Evaluation 91, Revision 3 (FGE.91Rev3): consideration of aliphatic, aromatic and a,ß-unsaturated sulfides and thiols evaluated by JECFA (53rd, 61st, 68th and 76th meetings), structurally related to substances in FGE.08Rev5 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 : | 5362832 |
| National Institute of Allergy and Infectious Diseases: | Data |
| | (E)-2-methyl-1-methylsulfanylbut-2-ene |
| Chemidplus: | 0089534747 |
References:
Other Information:
Potential Blenders and core components note
| |
| For Odor |
| alliaceous |
| | dimethyl trisulfide | FL/FR |
| | methyl furfuryl disulfide | FL/FR |
| | rum ether | FL/FR |
| 2,6- | dimethyl pyrazine | FL/FR |
| coffee |
| | coffee difuran | FL/FR |
| 2- | methyl-3-,5 or 6-(furfuryl thio) pyrazine | FL/FR |
| | 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 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 |
| 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 |
| | pyroligneous acids | FL/FR |
| | 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 |
| 1- | phenethyl mercaptan | 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/FR |
| 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 |
| | 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 pyrazine | 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 |
| 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:
Occurrence (nature, food, other): note
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:
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