(±)-ethyl 3-mercapto-2-methyl butanoate
ethyl 2-methyl-3-sulfanylbutanoate
 
Notes:
Used as a food additive [EAFUS]
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Fragrance Demo Formulas    Flavor Demo Formulas
CAS Number: 888021-82-7Picture of molecule3D/inchi
FDA UNII: VH5CF6RF6Q
XlogP3-AA: 1.70 (est)
Molecular Weight: 162.25198000
Formula: C7 H14 O2 S
NMR Predictor: Predict (works with chrome or firefox)
Category: flavor and fragrance agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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JECFA Food Flavoring: 1928  (+/-)-ethyl 3-mercapto-2-methylbutanoate
FEMA Number: 4392 (+/-)-ethyl 3-mercapto-2-methylbutanoate
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF):888021-82-7 ; (+-)-ETHYL 3-MERCAPTO-2-METHYLBUTANOATE
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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: 1.00470 to 1.00570 @  25.00 °C.
Pounds per Gallon - (est).: 8.360 to  8.368
Refractive Index: 1.45400 to 1.45500 @  20.00 °C.
Boiling Point: 203.00 to  207.00 °C. @ 760.00 mm Hg
Boiling Point: 40.00 to  41.00 °C. @ 1.00 mm Hg
Vapor Pressure: 0.271000 mmHg @ 25.00 °C. (est)
Flash Point: 172.00 °F. TCC ( 77.78 °C. ) (est)
logP (o/w): 2.100 (est)
Soluble in:
 alcohol
 water, 1006 mg/L @ 25 °C (est)
Insoluble in:
 water
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Organoleptic Properties:
Odor Description:
at 0.10 % in dipropylene glycol. 
fruity
 
Odor and/or flavor descriptions from others (if found).
 
 
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Cosmetic Information:
None found
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Suppliers:
Parchem
(±)-Ethyl 3-mercapto-2-methyl Butanoate
Chemical Sources Association
Need This Item for Flavor/Food?: You can contact the CSA
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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
 
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: flavor and fragrance agents
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for (±)-ethyl 3-mercapto-2-methyl butanoate usage levels up to:
  0.2000 % in the fragrance concentrate.
 
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: 23
Click here to view publication 23
 average usual ppmaverage maximum ppm
baked goods: 0.200001.00000
beverages(nonalcoholic): 0.100001.00000
beverages(alcoholic): 0.200002.00000
breakfast cereal: 0.200001.00000
cheese: --
chewing gum: --
condiments / relishes: 0.100000.30000
confectionery froastings: 0.100000.30000
egg products: --
fats / oils: --
fish products: --
frozen dairy: 0.100000.50000
fruit ices: --
gelatins / puddings: 0.100000.40000
granulated sugar: 0.200001.00000
gravies: --
hard candy: 0.200002.00000
imitation dairy: 0.200001.00000
instant coffee / tea: 0.200001.00000
jams / jellies: --
meat products: --
milk products: 0.100000.30000
nut products: --
other grains: 0.200001.00000
poultry: --
processed fruits: --
processed vegetables: 0.100000.30000
reconstituted vegetables: --
seasonings / flavors: 20.00000200.00000
snack foods: 0.100000.50000
soft candy: 0.100000.30000
soups: --
sugar substitutes: 0.200002.00000
sweet sauces: --
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Safety References:
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 : 20656016
National Institute of Allergy and Infectious Diseases: Data
 ethyl 2-methyl-3-sulfanylbutanoate
Chemidplus: 0888021827
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References:
 ethyl 2-methyl-3-sulfanylbutanoate
NIST Chemistry WebBook: Search Inchi
Pubchem (cid): 20656016
Pubchem (sid): 135319120
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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): Search
FooDB: FDB009397
ChemSpider: View
FAO: (+/-)-Ethyl 3-mercapto-2-methylbutanoate
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Potential Blenders and core components note
 
None Found
 
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Potential Uses:
None Found
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Occurrence (nature, food, other): note
 not found in nature
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Synonyms:
 butanoic acid, 3-mercapto-2-methyl-, ethyl ester
 ethyl 2-methyl-3-sulfanylbutanoate
(+/-)-ethyl 3-mercapto-2-methylbutanoate
(±)-ethyl 3-mercapto-2-methylbutanoate
 ethyl 3-mercapto-2-methylbutanoate, (+/-)-
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