4-mercapto-2-pentanone 1% in acetoin
4,2-thiopentanone 1% in acetoin
 
Notes:
Used as a food additive [EAFUS]
  • BOC Sciences
    • BOC Sciences
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      Product(s):
      92585-08-5 4-Mercapto-2-pentanone 95%
       
  • CSA
  • Symrise
    • Symrise AG
      Always Insiring More
      Symrise aroma molecules & cosmetic ingredients for unique and innovative fragrances, flavors and cosmetics.
      We are globally recognized as a leading provider of fragrances, flavors and active ingredients as well as aroma chemicals for the perfume, cosmetic, pharmaceutical, food and beverage industries. We combine our knowledge about consumers’ ever- changing needs with creativity and ground-breaking technologies. In doing so, we concentrate on the development of solutions that provide our customers with added value. We ensure sustained value creation by allowing our employees and shareholders to share our Company’s success.
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      Product(s):
      600280 4-Thiopentanone-4,2 5 % TRI

      Useful in tropical fruit, grapefruit, onion, meat
       
       
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CAS Number: 92585-08-5Picture of molecule3D/inchi
% from: 1.00%
FDA UNII: 8646NA32I8
Nikkaji Web: J1.716.667K
XlogP3-AA: 0.60 (est)
Molecular Weight: 118.19890000
Formula: C5 H10 O S
NMR Predictor: Predict (works with chrome, Edge or firefox)
Also(can) Contains: acetoin 99.00%
EFSA/JECFA Comments: Specifications (Flavour Industry, 2006x). Racemate (EFFA, 2010a).
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: 1670  4-mercapto-2-pentanone 1% in acetoin
DG SANTE Food Flavourings: 12.264  4,2-thiopentanone 1% in acetoin
FEMA Number: 4157 4-mercapto-2-pentanone 1% in acetoin
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF):92585-08-5 ; 4-MERCAPTO-2-PENTANONE
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Physical Properties:
Appearance: colorless to yellow clear liquid (est)
Assay: 95.00 to 100.00 % 
Food Chemicals Codex Listed: No
Specific Gravity: 1.15400 to 1.15800 @  25.00 °C.
Pounds per Gallon - (est).: 9.602 to  9.636
Refractive Index: 1.43700 to 1.44300 @  20.00 °C.
Boiling Point: 258.00 to  260.00 °C. @ 760.00 mm Hg
Vapor Pressure: 1.297000 mmHg @ 25.00 °C. (est)
Flash Point: 137.00 °F. TCC ( 58.33 °C. )
logP (o/w): 1.021 (est)
Soluble in:
 alcohol
 water, 3.026e+004 mg/L @ 25 °C (est)
Insoluble in:
 water
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Organoleptic Properties:
 
Odor Type: meaty
 
 pungent  meaty  
Odor Description:
at 0.01 % in propylene glycol. 
pungent meaty
 
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.
4-Mercapto-2-pentanone 95%
Parchem
4-mercapto-2-pentanone 1% in acetoin
Symrise
4-Thiopentanone-4,2 5 % TRI
Flavor: Sulfurous, Tropical Fruits, Onion, Mango
Useful in tropical fruit, grapefruit, onion, meat
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: flavoring agents
Recommendation for 4-mercapto-2-pentanone 1% in acetoin usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.12 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 0.07 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI): 2000 (μg/person/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 ppmaverage maximum ppm
baked goods: 10.0000030.00000
beverages(nonalcoholic): 1.000005.00000
beverages(alcoholic): 5.0000010.00000
breakfast cereal: --
cheese: 1.0000010.00000
chewing gum: --
condiments / relishes: 2.0000010.00000
confectionery froastings: --
egg products: --
fats / oils: 5.0000020.00000
fish products: --
frozen dairy: 5.0000010.00000
fruit ices: --
gelatins / puddings: --
granulated sugar: --
gravies: 2.0000010.00000
hard candy: 5.0000020.00000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: 3.0000020.00000
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: 2.0000010.00000
reconstituted vegetables: --
seasonings / flavors: 5.0000030.00000
snack foods: 5.0000030.00000
soft candy: --
soups: 1.0000010.00000
sugar substitutes: --
sweet sauces: --
 
Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFSA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFSA, 2002i).
Note: mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm.
 average usage mg/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0): 5.0000010.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0): 5.0000020.00000
Edible ices, including sherbet and sorbet (03.0): --
Processed fruit (04.1): 2.0000010.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): 2.0000010.00000
Confectionery (05.0): --
Chewing gum (05.0): --
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): --
Bakery wares (07.0): 10.0000030.00000
Meat and meat products, including poultry and game (08.0): 3.0000020.00000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): --
Eggs and egg products (10.0): --
Sweeteners, including honey (11.0): --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): 5.0000030.00000
Foodstuffs intended for particular nutritional uses (13.0): --
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): 1.000005.00000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): 5.0000010.00000
Ready-to-eat savouries (15.0): 5.0000030.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): --
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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 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 : 527393
National Institute of Allergy and Infectious Diseases: Data
 4-sulfanylpentan-2-one 1% in acetoin
Chemidplus: 0092585085
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References:
 4-sulfanylpentan-2-one 1% in acetoin
NIST Chemistry WebBook: Search Inchi
Pubchem (cid): 527393
Pubchem (sid): 135359631
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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): HMDB32376
FooDB: FDB009793
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
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Potential Blenders and core components note
 
For Odor
alliaceous
 dimethyl trisulfideFL/FR
 rum etherFL/FR
coffee
 coffee difuranFL/FR
2-methyl-3-,5 or 6-(furfuryl thio) pyrazineFL/FR
 nutty pyrazineFL/FR
fermented
 ethyl crotonateFL/FR
fruity
 tropical thiazoleFL/FR
 tropical trithianeFL/FR
green
2-heptyl furanFL/FR
(E,Z)-2,6-nonadienalFL/FR
 meaty dithianeFL/FR
4-methyl nonanoic acidFL/FR
 sulfurolFL/FR
 sulfuryl acetateFL/FR
moldy
 strawberry furanone methyl etherFL/FR
musty
 hazelnut pyrazineFL/FR
4,5-dimethyl-2-ethyl-3-thiazolineFL/FR
2-ethyl-4-methyl thiazoleFL/FR
2-methyl pyrazineFL/FR
2-methyl-3-(methyl thio) pyrazineFL/FR
phenolic
2,3-dimethyl benzofuranFL/FR
ortho-guaiacolFL/FR
4-vinyl phenolFL/FR
 pyroligneous acidsFL/FR
 benzothiazoleFL/FR
 ethyl 2-mercaptopropionateFL/FR
 ethyl 3-mercaptopropionateFL/FR
 fish thiolFL/FR
2-mercaptopropionic acidFL/FR
4-methyl 4-mercaptopentan-2-one 1% solutionFL/FR
2-(methyl thio) phenolFL/FR
1-phenethyl mercaptanFL/FR
tobacco
 methyl benzoxoleFL/FR
 
For Flavor
 
No flavor group found for these
4-acetyl-2-methyl pyrimidineFL
gamma-aminobutyric acidFL
 amyl mercaptanFL
1,2-butane dithiolFL
2-(2-butyl)-4,5-dimethyl-3-thiazolineFL
 cyclopropyl (E,Z)-2,6-nonadienamideFL
2,5-diethyl thiazoleFL
 dihydro-2,4,6-trimethyl-1,3,5(4H)-dithiazineFL
 dimethyl tetrasulfideFL
2,6-dimethyl-3-((2-methyl-3-furyl)thio)-4-heptanoneFL
bis(2,5-dimethyl-3-furyl) disulfideFL
(Z+E)-2,5-dimethyl-3-tetrahydrofuran thiolFL
(Z+E)-2,5-dimethyl-3-thioacetoxytetrahydrofuranFL
2,5-dimethyl-3-thiofuroyl furanFL
 ethyl (E,Z)-2,6-nonadienamideFL
S-ethyl 2-acetyl aminoethane thioateFL
 ethyl 3-mercaptopropionateFL/FR
 ethyl 4-(acetyl thio) butyrateFL
2-ethyl-3-methyl thiopyrazineFL
(Z+E)-5-ethyl-4-methyl-2-(2-butyl) thiazolineFL
(Z+E)-5-ethyl-4-methyl-2-(2-methyl propyl) thiazolineFL
2-hexyl thiopheneFL
1-(3-hydroxy-5-methyl-2-thienyl) ethanoneFL
4-mercapto-3-methyl-2-butanolFL
4-methyl 4-mercaptopentan-2-one 1% solutionFL/FR
 methyl dihydrofuran thiolFL
2-methyl thiazolidineFL
2-(methyl thio) ethanolFL
2-methyl-1-butane thiolFL
4-methyl-2-(methyl thiomethyl)-2-hexenalFL
2-methyl-2-thiazolineFL
2-methyl-3-,5 or 6-(furfuryl thio) pyrazineFL/FR
2-methyl-3-(methyl thio) pyrazineFL/FR
2-methyl-3-furyl tetrasulfideFL
3-((2-methyl-3-furyl)thio)-4-heptanoneFL
4-((2-methyl-3-furyl)thio)-5-nonanoneFL
1,9-nonane dithiolFL
 peanut dithiazineFL
1-phenethyl mercaptanFL/FR
1,3-propane dithiolFL
 propyl 2-methyl-3-furyl disulfideFL
isopropyl disulfideFL
 thiazoleFL
3-thienyl mercaptanFL
 thioacetic acidFL
3,5-diisopropyl-1,2,4-trithiolaneFL
N-(2-(3,4-dimethoxyphenyl)ethyl)-3,4-dimethoxycinnamic acid amideFL
3,5-dimethyl-1,2,4-trithiolaneFL
3,7-dimethyl-2,6-octadien-1-yl cyclopropyl carboxamideFL
2,4-dimethyl-3-oxazolineFL
2-methyl-1-methyl thio-2-buteneFL
 pyrrolidino-(1,2E)-4H-2,4-dimethyl-1,3,5-dithiazineFL
1-(2-thienyl) butanoneFL
alliaceous
 allyl disulfideFL
1,3-butane dithiolFL
 cyclopentyl mercaptanFL
 dimethyl trisulfideFL/FR
3-mercapto-2-pentanoneFL
3-tetrahydrothiophenoneFL
 tropical thiazoleFL/FR
burnt
 bacon dithiazineFL
1,6-hexane dithiolFL
 rum etherFL/FR
chemical
2,3-dimethyl benzofuranFL/FR
2,5-dimethyl furanFL
cocoa
 butyraldehydeFL
coffee
 coffee difuranFL/FR
2-ethyl-4-methyl thiazoleFL/FR
earthy
 difurfuryl sulfideFL
1,8-octane dithiolFL
eggy
isopropyl mercaptanFL
fatty
2-heptyl furanFL/FR
4-methyl nonanoic acidFL/FR
2-pentyl thiopheneFL
fruity
 tropical trithianeFL/FR
green
4-methyl thiazoleFL
(E,Z)-2,6-nonadienalFL/FR
4-penten-1-yl acetateFL
meaty
4-allyl-2,6-dimethoxyphenolFL
 benzothiazoleFL/FR
2,6-dimethyl thiophenolFL
2,5-dimethyl-3-furan thiolFL
1,1-ethane dithiol 1% in ethanol 94.5% / ethyl acetate 4%FL
 furfuryl 2-methyl-3-furyl disulfideFL
4-furfuryl thio-2-pentanoneFL
 meaty dithianeFL/FR
3-mercapto-2-butanoneFL
2-mercaptomethyl pyrazineFL
2-mercaptopropionic acidFL/FR
2-methyl 3-(methyl thio) furanFL
2-(methyl thio) phenolFL/FR
 methyl thiofuryl butanalFL
12-methyl tridecanalFL
bis(2-methyl-3-furyl) disulfideFL
S-(2-methyl-3-furyl) ethane thioateFL
2-methyl-3-tetrahydrofuran thiolFL
2-methyl-3-thioacetoxytetrahydrofuranFL
 phenyl mercaptanFL
 propyl 2-mercaptopropionateFL
 pyrazinyl ethane thiolFL
2-pyridinyl methane thiolFL
 sulfurolFL/FR
 sulfuryl acetateFL/FR
 thialdineFL
ortho-thiocresolFL
ortho-thioguaiacolFL
metallic
2,5-dihydroxy-1,4-dithianeFL
moldy
 strawberry furanone methyl etherFL/FR
musty
 hazelnut pyrazineFL/FR
nutty
3-acetyl-2,5-dimethyl thiopheneFL
2-acetyl-4-methyl thiazoleFL
3,5-diethyl-2-methyl pyrazineFL
2,5-diethyl-3-methyl pyrazineFL
4,5-dimethyl-2-ethyl-3-thiazolineFL/FR
 methyl benzoxoleFL/FR
2-methyl pyrazineFL/FR
 nutty pyrazineFL/FR
 nutty thiazoleFL
onion
 ethyl 2-mercaptopropionateFL/FR
 furfuryl isopropyl sulfideFL
phenolic
2-ethyl benzene thiolFL
4-vinyl phenolFL/FR
popcorn
2-propionyl-2-thiazolineFL
radish
3-(methyl thio) propyl mercaptoacetateFL
roasted
 hexyl mercaptanFL
rummy
 ethyl crotonateFL/FR
savory
N-(2,4-dimethoxybenzyl)-N2-(2-(pyridin-2-yl)ethyl) oxalamideFL
N-(heptan-4-yl)benzo(D)(1,3)dioxole-5-carboxamideFL
N1-(2-methoxy-4-methyl benzyl)-N2-(2-(pyridin-2-yl)ethyl) oxalamideFL
N1-(2-methoxy-4-methyl benzyl)-N2-2(2-(5-methyl pyridin-2-yl)ethyl) oxalamideFL
smoky
 prosopis juliflora wood extractFL
 pyroligneous acidsFL/FR
sulfurous
2,3-butane dithiolFL
 ethyl methyl sulfideFL
S-ethyl thioacetateFL
 fish thiolFL/FR
 methyl 2-methyl-3-furyl disulfideFL
3-methyl-2-butane thiolFL
2-naphthyl mercaptanFL
 roasted butanolFL
vegetable
 tyramineFL
wasabi
2-(methyl thio) ethyl acetateFL
woody
ortho-guaiacolFL/FR
yeasty
 faex extractsFL
 
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Potential Uses:
 baconFL
 beefFL
 beef roasted beefFL
 chickenFL
 hawthornFR
 lambFL
 liverFL
 meatFL
 meat grilled meatFL
 meat roasted meatFL
 meat smoked meatFL
 porkFL
 salamiFL
 turkeyFL
Synonyms   Articles   Notes   Search   Top
Occurrence (nature, food, other): note
 beer
Search  PMC Picture
 wine
Search  Picture
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Synonyms:
4-mercapto-2-pentanone
4-mercaptopentan-2-one
4-mercaptopentan-2-one 1% in acetoin
 pentan-2-one, 4-mercapto-
2-pentanone, 4-mercapto-
4-sulfanylpentan-2-one
4-sulfanylpentan-2-one 1% in acetoin
4,2-thiopentanone 1% in acetoin
Synonyms   Articles   Notes   Search   Top
Articles:
PubMed: Reinvestigation of the Absolute Configurations of Chiral β-Mercaptoalkanones Using Vibrational Circular Dichroism and (1)H NMR Analysis.
PubMed: Chemosensory characterization of Chardonnay and Pinot Noir base wines of Champagne. Two very different varieties for a common product.
PubMed: Analysis, occurrence, and potential sensory significance of five polyfunctional mercaptans in white wines.
PubMed: Evolution of S-cysteinylated and S-glutathionylated thiol precursors during oxidation of Melon B. and Sauvignon blanc musts.
PubMed: Validation of a nanoliquid chromatography-tandem mass spectrometry method for the identification and the accurate quantification by isotopic dilution of glutathionylated and cysteinylated precursors of 3-mercaptohexan-1-ol and 4-mercapto-4-methylpentan-2-one in white grape juices.
PubMed: Improved method to quantitatively determine powerful odorant volatile thiols in wine by headspace solid-phase microextraction after derivatization.
PubMed: Novel character impact compounds in Yuzu (Citrus junos Sieb. ex Tanaka) peel oil.
PubMed: Characterization of the aroma of a wine from maccabeo. Key role played by compounds with low odor activity values.
PubMed: Gas chromatography-olfactometry and chemical quantitative study of the aroma of six premium quality spanish aged red wines.
PubMed: Impact odorants of different young white wines from the Canary Islands.
PubMed: Effect of chloroquine on cultured fibroblasts: release of lysosomal hydrolases and inhibition of their uptake.
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