methyl 2-(methyl thio) butyrate
methyl 2-(methylthio) butyrate
 
Notes:
Flavouring ingredient. Present in cheese
  • DeLong Chemicals America
    • DeLong Chemicals America
      Custom Manufacturing
      Supplier of aroma chemicals, pharmaceutical and specialty chemical intermediates.
      DeLong Chemicals America, LLC is an extension of Shijiazhuang Lida Chemical Co, Ltd to North America, a leading supplier and manufacturer of aroma chemicals, serving the industries of food, tobacco and perfume, while also providing intermediates, custom synthesis and custom manufacturing for pharmaceutical and specialty chemical industries.
      US Email: Customer Service
      US Email: Sales
      US Voice: (203) 271-9017
      New products
      Product(s):
      0712 Methyl 2-Methylthiobutyrate
       
  • Endeavour Specialty Chemicals
    • Endeavour Specialty Chemicals Ltd
      Expertise in Small to Medium Scale Chemical Manufacturing
      Endeavour Speciality Chemicals offers high-impact aroma chemicals, all produced at the highest standards of quality.
      Endeavour Speciality Chemical has 25 years' experience of manufacturing high-impact aroma chemicals. With our core expertise in sulfur and heterocyclic chemistries, Endeavour's products have applications in a range of industry sectors including flavours and fragrances, pharmaceutical research and material sciences. Endeavour also offer custom synthesis and contract manufacturing services at their UK manufacturing site.
      Email: Info
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      Speciality Chemical Product Groups
      Product(s):
      AT0020 Methyl 2-(methylthio)butyrate 98% F&F
       
  • Treatt
    • R C Treatt and Co Ltd
      Innovative ingredient solutions
      World-leading innovative ingredient solutions provider for the flavour, fragrance and FMCG industries.
      We offer innovative and trend-setting product concepts for our customers, collaborating with them to create true value for their products.
      Email: Enquiries
      US Email: Enquiries
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      Product(s):
      Methyl 2-methylthiobutyrate Halal, Kosher

      Used in desserts and sugar confection at 0.5ppm, and in dairy soft confection and beverages at 0.33ppm.
       
       
  • Robinson Brothers
  • Synerzine
    • Synerzine, Inc.
      Innovation. Customization. Aroma Ingredients.
      Synerzine is a leading supplier of flavor and fragrance ingredients.
      Synerzine expresses what we have grown to embody as an organization - the synergy and connection between raw ingredients, science, technology, and the final product. Our experienced team is passionate about bringing our customers high-quality innovative ingredients that they can trust.
      Building upon our 44 year history, the Synerzine team provides customers around the globe with convenient access to over 1200 high-quality aroma ingredients. We actively engage with customers to add a wide array of new products and services on a regular basis. Our aim is to delight every customer with our exceptional services, large product selection, customization and the highest quality and safety standards. We provide our customers with true value designed to help them bring their products to market faster.
      US Email: Customer Service
      US Email: Sales
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      Products List: View
      Product(s):
      W1832 Methyl 2-(methylthio) Butyrate
       
Synonyms   Articles   Notes   Search
methyl 2-methylsulfanylbutanoate (Click)
CAS Number: 51534-66-8Picture of molecule
ECHA EINECS - REACH Pre-Reg: 255-649-0
FDA UNII: 9SE19X9J2G
Nikkaji Web: J578.936B
Beilstein Number: 1925141
MDL: MFCD00013393
XlogP3-AA: 1.70 (est)
Molecular Weight: 132.22584000
Formula: C6 H12 O S
NMR Predictor: Predict (works with chrome or firefox)
methyl (2R)-2-methylsulfanylbutanoate (Click)
CAS Number: 51534-66-8  (R)Picture of molecule
XlogP3-AA: 1.70 (est)
Molecular Weight: 132.22584000
Formula: C6 H12 O S
NMR Predictor: Predict (works with chrome or firefox)
methyl (2S)-2-methylsulfanylbutanoate (Click)
CAS Number: 51534-66-8  (S)Picture of molecule
XlogP3-AA: 1.70 (est)
Molecular Weight: 132.22584000
Formula: C6 H12 O S
NMR Predictor: Predict (works with chrome 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
FEMA Number: 3708  methyl 2-(methylthio) butyrate
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Physical Properties:
Appearance: colorless clear liquid (est)
Assay: 99.00 to 100.00 % 
Food Chemicals Codex Listed: No
Specific Gravity: 0.94400 to 0.95200 @  25.00 °C.
Pounds per Gallon - (est).: 7.855 to  7.922
Refractive Index: 1.45700 to 1.46300 @  20.00 °C.
Boiling Point: 149.00 to  151.00 °C. @ 760.00 mm Hg
Acid Value: 1.00 max. KOH/g
Vapor Pressure: 1.112000 mm/Hg @ 25.00 °C. (est)
Vapor Density: 4.6 ( Air = 1 )
Flash Point: 91.00 °F. TCC ( 32.78 °C. )
logP (o/w): 1.701 (est)
Soluble in:
 alcohol
 water, 5239 mg/L @ 25 °C (est)
Insoluble in:
 water
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Organoleptic Properties:
 
Odor Type: sulfurous
 
Odor Strength: high ,
recommend smelling in a 0.10 % solution or less
 
 sulfurous  musty  onion  fruity  tropical  green  
Odor Description:
at 0.10 % in dipropylene glycol. 
sulfurous musty onion fruity tropical green
 
 
Flavor Type: sulfurous
 
 sulfurous  savory  eggy  vegetable  onion  fruity  tropical  
Taste Description:
sulfury savory eggy vegetable onion fruity tropical
 
Odor and/or flavor descriptions from others (if found).
 
 
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Cosmetic Information:
None found
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Suppliers:
BOC Sciences
For experimental / research use only.
Methyl 2-methylthiobutyrate
DeLong Chemicals America
Methyl 2-Methylthiobutyrate
Endeavour Specialty Chemicals
Methyl 2-(methylthio)butyrate 98% F&F
Speciality Chemical Product Groups
Robinson Brothers
Methyl 2-(methylthio)butyrate F&F
https://www.robinsonbrothers.uk/chemistry-competences
Santa Cruz Biotechnology
For experimental / research use only.
Methyl 2-(methylthio)butyrate
Sigma-Aldrich: Aldrich
For experimental / research use only.
Methyl 2-(methylthio)butyrate 98%
Synerzine
Methyl 2-(methylthio) Butyrate
Treatt
Methyl 2-methylthiobutyrate
Halal, Kosher
Odor: strong fruity, cheddar cheese
Flavor: fruity
Used in desserts and sugar confection at 0.5ppm, and in dairy soft confection and beverages at 0.33ppm.
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Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
Xi - Irritant
R 10 - Flammable.
R 36/37/38 - Irritating to eyes, respiratory system, and skin.
S 02 - Keep out of the reach of children.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
 
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:
gavage-rat LD50  [sex: M,F] 2108 mg/kg
(Piccirillo & Lunchicki, 1982)

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: flavoring agents
Recommendation for methyl 2-(methyl thio) butyrate usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.097 (μg/capita/day)
Structure Class: II
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: 13
Click here to view publication 13
 average usual ppmaverage maximum ppm
baked goods: --
beverages(nonalcoholic): --
beverages(alcoholic): -0.50000
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: -0.30000
egg products: --
fats / oils: --
fish products: --
frozen dairy: -0.30000
fruit ices: --
gelatins / puddings: -0.50000
granulated sugar: --
gravies: --
hard candy: -0.50000
imitation dairy: -0.30000
instant coffee / tea: --
jams / jellies: --
meat products: --
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: -0.30000
soups: --
sugar substitutes: --
sweet sauces: --
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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
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 560572
National Institute of Allergy and Infectious Diseases: Data
WISER: UN 3272
WGK Germany: 3
 methyl 2-methylsulfanylbutanoate
Chemidplus: 0051534668
 methyl (2R)-2-methylsulfanylbutanoate
 methyl (2S)-2-methylsulfanylbutanoate
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References:
 methyl 2-methylsulfanylbutanoate
NIST Chemistry WebBook: Search Inchi
Pubchem (cid): 560572
Pubchem (sid): 10368631
 methyl (2R)-2-methylsulfanylbutanoate
NIST Chemistry WebBook: Search Inchi
Pubchem (cid): 6951722
Pubchem (sid): 43559610
 methyl (2S)-2-methylsulfanylbutanoate
NIST Chemistry WebBook: Search Inchi
Pubchem (cid): 6951721
Pubchem (sid): 43559609
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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
HMDB (The Human Metabolome Database): HMDB41306
FooDB: FDB021225
Export Tariff Code: 2930.90.9999
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
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Potential Blenders and core components note
 
For Odor
alliaceous
 dibutyl sulfideFL/FR
 ferula assa-foetida gum oilFL/FR
balsamic
isopropyl cinnamateFL/FR
caramellic
 strawberry furanone acetateFL/FR
chemical
 propyl propionateFL/FR
ethereal
isopropyl formateFL/FR
isovaleraldehyde propylene glycol acetalFL/FR
fatty
 allyl octanoateFL/FR
floral
para-anisyl butyrateFL/FR
 citronellyl butyrateFL/FR
black currant bud concreteFL/FR
alpha-iononeFL/FR
beta-ocimeneFL/FR
 phenethyl acetateFL/FR
 phenethyl butyrateFL/FR
 rhodinyl butyrateFL/FR
 rhodinyl isobutyrateFL/FR
 rose butanoateFL/FR
 styralyl isobutyrateFL/FR
fruity
 allyl cyclohexyl propionateFL/FR
 apple ketalFL/FR
 butyl isobutyrateFL/FR
isobutyl isobutyrateFL/FR
neocaspireneFL/FR
 citronellyl isobutyrateFL/FR
 cyclohexyl carboxylic acidFL/FR
 grape butyrateFL/FR
 heptyl butyrateFL/FR
 propyl hexanoateFL/FR
green
 ethyl (E,Z)-2,4-decadienoateFL/FR
 heptanal dimethyl acetalFL/FR
(Z)-3-hepten-1-yl acetateFL/FR
(Z)-3-hexen-1-yl isovalerateFL/FR
 hexyl hexanoateFL/FR
1-penten-3-olFL/FR
 phenoxyethyl isobutyrateFL/FR
herbal
 barosma betulina leaf oilFL/FR
(E)-6-methyl-3-hepten-2-oneFL/FR
2-pentyl acetateFL/FR
 viridiflorolFL/FR
melon
(Z)-6-nonen-1-yl acetateFL/FR
nutty
4,5-dimethyl-2-ethyl-3-thiazolineFL/FR
roasted
2-methyl-1-butanolFL/FR
 buchu mercaptanFL/FR
 lychee mercaptan acetateFL/FR
 mango thiolFL/FR
(S)-1-methoxy-3-heptane thiolFL/FR
 passiflora acetateFL/FR
S-tropical 2-thiobutyrateFL/FR
4-tropical oxathianeFL/FR
tropical
 ethyl (Z)-3-hexenoateFL/FR
cis-galbanum oxathianeFL/FR
 hexyl 2-methyl-3-pentenoateFL/FR
3-nonen-4-olideFL/FR
 passiflora edulis fruit extractFL/FR
 passiflora edulis fruit waterFL/FR
 tropical 3-thiobutyrateFL/FR
2-tropical oxathianeFL/FR
vegetable
1-furfuryl pyrroleFL/FR
waxy
 nonyl acetateFL/FR
yeasty
2-octen-4-oneFL/FR
 
For Flavor
 
No flavor group found for these
neocaspireneFL/FR
S-(2,5-dimethyl-3-furyl) ethane thioateFL
 ethyl (Z)-3-hexenoateFL/FR
 ethyl 2-(methyl thio) acetateFL
(Z)-3-hepten-1-yl acetateFL/FR
 methyl 2-(methyl thio) acetateFL
2-methyl-1-butanolFL/FR
2-methyl-2-thiazolineFL
(E)-6-methyl-3-hepten-2-oneFL/FR
3-nonen-4-olideFL/FR
S-prenyl thioisobutyrateFL
S-prenyl thioisovalerateFL
 sorbyl propionateFL
 styralyl isobutyrateFL/FR
S-tropical 2-thiobutyrateFL/FR
2-tropical oxathianeFL/FR
 viridiflorolFL/FR
 allyl thiohexanoateFL
alliaceous
1,3-butane dithiolFL
 ferula assa-foetida gum oilFL/FR
2-methyl thioacetaldehydeFL
anisic
para-anisyl butyrateFL/FR
balsamic
isopropyl cinnamateFL/FR
berry
(S)-1-methoxy-3-heptane thiolFL/FR
caramellic
 strawberry furanone acetateFL/FR
cheesy
 methyl ketonesFL
creamy
 triacetinFL
dairy
2-pentyl acetateFL/FR
ethereal
4-hexen-3-oneFL
fatty
 allyl octanoateFL/FR
floral
alpha-iononeFL/FR
 rhodinyl butyrateFL/FR
 rhodinyl isobutyrateFL/FR
fruity
 allyl cyclohexyl propionateFL/FR
 apple ketalFL/FR
 butyl isobutyrateFL/FR
isobutyl isobutyrateFL/FR
 citronellyl butyrateFL/FR
 citronellyl isobutyrateFL/FR
black currant bud concreteFL/FR
 cyclohexyl carboxylic acidFL/FR
 hexyl 2-methyl-3-pentenoateFL/FR
 hexyl hexanoateFL/FR
3-mercaptohexyl hexanoateFL
(Z)-3-nonen-1-yl acetateFL
 passion fruit distillatesFL
 phenethyl butyrateFL/FR
isopropyl formateFL/FR
 propyl hexanoateFL/FR
 rose butanoateFL/FR
4-tropical oxathianeFL/FR
isovaleraldehyde propylene glycol acetalFL/FR
green
 dibutyl sulfideFL/FR
 ethyl (E,Z)-2,4-decadienoateFL/FR
cis-galbanum oxathianeFL/FR
 grape butyrateFL/FR
 heptanal dimethyl acetalFL/FR
 heptyl butyrateFL/FR
(Z)-3-hexen-1-yl isovalerateFL/FR
(Z)-6-nonen-1-yl acetateFL/FR
beta-ocimeneFL/FR
1-penten-3-olFL/FR
 phenoxyethyl isobutyrateFL/FR
herbal
 barosma betulina leaf oilFL/FR
 buchu oil fractionsFL
honey
 phenethyl acetateFL/FR
juicy
 lychee mercaptan acetateFL/FR
meaty
 pyrazinyl ethane thiolFL
nutty
4,5-dimethyl-2-ethyl-3-thiazolineFL/FR
sulfurous
 buchu mercaptanFL/FR
S-ethyl thioacetateFL
 mango thiolFL/FR
 methyl thiomethyl butyrateFL
3-methyl-2-butane thiolFL
 tropical 3-thiobutyrateFL/FR
tropical
 anacardium occidentale fruit pureeFL
3-mercaptohexyl butyrateFL
 passiflora acetateFL/FR
 passiflora edulis fruit extractFL/FR
 passiflora edulis fruit waterFL/FR
 propyl propionateFL/FR
vegetable
1-furfuryl pyrroleFL/FR
2-octen-4-oneFL/FR
waxy
 nonyl acetateFL/FR
 
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Potential Uses:
 dairyFL
 garlicFL
 mangoFL
 milkFL
 onionFL
 pineappleFL
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Occurrence (nature, food, other): note
 beer
Search  PMC Picture
 hop oil
Search Trop  Picture
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Synonyms:
 butanoic acid, 2-(methylthio)-, methyl ester
 methyl 2-(methylmercapto)butyrate
 methyl 2-(methylsulfanyl)butanoate
 methyl 2-(methylthio) butyrate
 methyl 2-(methylthio)butyrate
 methyl 2-methylsulfanylbutanoate
 methyl 2-methylthiobutyrate
 methyl thio 2-methyl butyrate
(methyl thio) 2-methyl butyrate
 methyl-2-methyl thiobutyrate
 methylthio 2-methyl butyrate
(methylthio) 2-methyl butyrate
2-(methylthio)butyric acid methyl ester
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