EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes
 

4-mercapto-2-pentanone 1% in acetoin
4,2-thiopentanone 1% in acetoin

Supplier Sponsors

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
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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
 
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
 
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).
 
Cosmetic Information:
None found
 
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 Chemical Sources Association
 
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
 
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 (05.3): --
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): --
 
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
 
References:
 4-sulfanylpentan-2-one 1% in acetoin
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):527393
Pubchem (sid):135359631
 
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
 
Potential Blenders and core components note
For Odor
alliaceous
dimethyl trisulfide
FL/FR
burnt
rum ether
FL/FR
coffee
coffee difuran
FL/FR
2-
methyl-3-,5 or 6-(furfuryl thio) pyrazine
FL/FR
earthy
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
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
nutty
4,5-
dimethyl-2-ethyl-3-thiazoline
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
smoky
pyroligneous acids
FL/FR
sulfurous
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
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
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
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
iso
propyl disulfide
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
2-
methyl-1-methyl thio-2-butene
FL
pyrrolidino-(1,2E)-4H-2,4-dimethyl-1,3,5-dithiazine
FL
1-(2-
thienyl) butanone
FL
alliaceous
alliaceous
allyl disulfide
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
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 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
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
propyl 2-methyl-3-furyl disulfide
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
3,5-
diethyl-2-methyl pyrazine
FL
2,5-
diethyl-3-methyl pyrazine
FL
4,5-
dimethyl-2-ethyl-3-thiazoline
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
vegetable
tyramine
FL
wasabi
2-(
methyl thio) ethyl acetate
FL
woody
ortho-
guaiacol
FL/FR
yeasty
faex extracts
FL
 
Potential Uses:
FLbacon
FLbeef
FLbeef roasted beef
FLchicken
FRhawthorn
FLlamb
FLliver
FLmeat
FLmeat grilled meat
FLmeat roasted meat
FLmeat smoked meat
FLpork
FLsalami
FLturkey
 
Occurrence (nature, food, other):note
 beer
Search PMC Picture
 wine
Search Picture
 
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
 

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.
 
Notes:
Used as a food additive [EAFUS]
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