ethyl 2-methyl-2-(methyl thio) propionate
propanoic acid, 2-methyl-2-(methylthio)-, ethyl ester
  • CTC Organics
    • CTC Organics
      For More Than 40 Year
      Your source for rare aroma chemicals for the flavor and fragrance industy.
      “The world is run by middle men.” The number of times I have heard Dr. Liu utter those words are innumerable. He loved reciting and recording famous quotes and had many of his own. Among his many talents, Dr. Liu had a unique genius in the area of chemistry. He had an uncanny understanding of the pulse of the chemical industry and was a superb salesman.
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      W0573 ethyl 2-methyl 2-methyl thiopropionate
  • 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.
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      Speciality Chemical Product Groups
      AT0010 Ethyl 2-methyl-2-(methylthio)proprionate 97% F&F
  • Frutarom
    • Frutarom Ltd
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      Your preferred partner for flavour and fragrance success.
      At Frutarom, we take pride in our expertise and knowledge of Flavour & Fragrance Ingredients and our thorough understanding of the needs of Flavourists, Perfumers and Food Technologists. Working closely with our customers we have a strong track record of providing unique solutions to fulfil requirements.
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  • Penta International
    • Penta International Corporation
      Chemistry innovation
      At Penta, our products and services help businesses do business better.
      For over 30 years, Penta Manufacturing Company has played a growing role in worldwide chemistry innovations and applications. As an industry leader, Penta continues to pioneer chemistry-based solutions for practically every area of commerce. Our products and expertise have helped fuel technical advances in dozens of commercial applications including flavoring, coloring, fragrances and chemical processes.
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  • Robinson Brothers
  • Treatt
    • Treatt PLC
      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.
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      Ethyl 2-methyl -2-methylthio-propionate

      Primarily used in fruit flavours (especially pineapple, and berry flavours).
      Ethyl 2-methyl-2-methylthiopropionate 1% TEC
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ethyl 2-methyl-2-methylsulfanylpropanoate (Click)
CAS Number: 49773-24-2
ECHA EINECS - REACH Pre-Reg: 256-483-5
MDL: MFCD00053099
XlogP3-AA: 1.80 (est)
Molecular Weight: 162.25198000
Formula: C7 H14 O2 S
NMR Predictor: Predict
Category: flavoring agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar: Search
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Physical Properties:
Appearance: colorless to pale yellow clear liquid (est)
Assay: 95.00 to 100.00 % 
Food Chemicals Codex Listed: No
Specific Gravity: 1.01000 @  20.00 °C.
Refractive Index: 1.45400 @  20.00 °C.
Boiling Point: 101.00 °C. @ 30.00 mm Hg
Vapor Pressure: 0.512000 mm/Hg @ 25.00 °C. (est)
Flash Point: 152.00 °F. TCC ( 66.67 °C. )
logP (o/w): 2.051 (est)
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Organoleptic Properties:
Odor Type: green
Odor Strength: high ,
recommend smelling in a 0.10 % solution or less
 green  minty  sulfurous  fruity  ethereal  
Odor Description:
at 0.10 % in propylene glycol. 
green minty sulfurous fruity ethereal
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Cosmetic Information:
None found
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CTC Organics
ethyl 2-methyl 2-methyl thiopropionate
Endeavour Specialty Chemicals
Ethyl 2-methyl-2-(methylthio)proprionate 97% F&F
Speciality Chemical Product Groups
Penta International
Robinson Brothers
Ethyl 2-methyl-2-(methylthio)proprionate F&F
Ethyl 2-methyl -2-methylthio-propionate
Odor: Sulphurous; green tropical fruit in dilution
Flavor: tropical
Primarily used in fruit flavours (especially pineapple, and berry flavours).
Ethyl 2-methyl-2-methylthiopropionate 1% TEC
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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
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 ethyl 2-methyl-2-(methyl thio) propionate usage levels up to:
 not for fragrance use.
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Safety References:
EPI System: View Calculate predicted properties
EPA ACToR: Toxicology Data
National Institute of Allergy and Infectious Diseases: Data
 ethyl 2-methyl-2-methylsulfanylpropanoate
Chemidplus: 0049773242
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 ethyl 2-methyl-2-methylsulfanylpropanoate
NIST Chemistry WebBook: Search Inchi
Pubchem (cid): 3016499
Pubchem (sid): 135211212
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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): Search
Export Tariff Code: 2915.50.3000
ChemSpider: View
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Potential Blenders and core components note
None Found
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Potential Uses:
 fruit tropical fruit 
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Natural Occurrence in: note
 not found in nature
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 ethyl 2-(methylthio)isobutyrate
 ethyl 2-methyl 2-methyl thiopropionate
 ethyl 2-methyl-2-(methylsulfanyl)propanoate
 ethyl 2-methyl-2-(methylthio)propionate
 ethyl 2-methyl-2-(methylthio)proprionate
 ethyl 2-methyl-2-methylsulfanylpropanoate
 ethyl 2-methyl-2-methylthiopropionate
 ethyl-2-methyl-2-methyl thiopropionate
2-methyl-2-(methylthio)propionic acid ethyl ester
 propanoic acid, 2-methyl-2-(methylthio)-, ethyl ester
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 None found yet.
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click on the picture(s) below to
interact with the 3D model
Picture of molecule
Soluble in:
 water, 1858 mg/L @ 25 °C (est)
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