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

2-acetyl thiazole
2-acetylthiazole

Sponsors

Flavor Demo Formulas
Name:1-(1,3-thiazol-2-yl)ethanone
CAS Number: 24295-03-2Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:246-134-5
FDA UNII:16IGS5268I
Nikkaji Web:J45.590C
Beilstein Number:0109803
MDL:MFCD00005324
CoE Number:11726
XlogP3-AA:1.00 (est)
Molecular Weight:127.16605000
Formula:C5 H5 N O S
BioActivity Summary:listing
NMR Predictor:Predict (works with chrome or firefox)
Category:flavor and fragrance 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:1041 2-acetylthiazole
FLAVIS Number:15.020 (Old)
DG SANTE Food Flavourings:15.020 2-acetylthiazole
FEMA Number:3328 2-acetylthiazole
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm: 2-ACETYLTHIAZOLE
 
Physical Properties:
Appearance:colorless to yellow clear oily liquid (est)
Assay: 98.00 to 100.00 sum of isomers
Food Chemicals Codex Listed: No
Specific Gravity:1.21900 to 1.22600 @ 25.00 °C.
Pounds per Gallon - (est).: 10.143 to 10.202
Refractive Index:1.54200 to 1.55200 @ 20.00 °C.
Boiling Point: 89.00 to 91.00 °C. @ 12.00 mm Hg
Boiling Point: 212.00 to 215.00 °C. @ 760.00 mm Hg
Vapor Pressure:0.173000 mm/Hg @ 25.00 °C. (est)
Vapor Density:4.4 ( Air = 1 )
Flash Point: 173.00 °F. TCC ( 78.33 °C. )
logP (o/w): 0.737 (est)
Soluble in:
 alcohol
 propylene glycol
 triacetin
 water, 2.508e+004 mg/L @ 25 °C (est)
Insoluble in:
 water
Stability:
 stable in most media
 
Organoleptic Properties:
Odor Type: popcorn
Odor Strength:very high ,
recommend smelling in a 0.10 % solution or less
Substantivity:16 hour(s) at 100.00 %
nutty popcorn peanut roasted peanut hazelnut
Odor Description:at 0.10 % in dipropylene glycol. nutty popcorn roasted peanuts hazelnut
Luebke, William tgsc, (1989)
Odor sample from: Bedoukian Research, Inc.
toasted corn chip popcorn raw nutty bready
Odor Description:Toasted corn chip, popcorn with a raw nutty and bready nuance
Mosciano, Gerard P&F 14, No. 6, 47, (1989)
Flavor Type: corn chip
corn chip musty
Taste Description: at 30.00 ppm. Corn chip with a slight musty background
Mosciano, Gerard P&F 14, No. 6, 47, (1989)
Odor and/or flavor descriptions from others (if found).
Bedoukian Research
2-ACETYL THIAZOLE ≥98.0%, FCC, Kosher
Odor Description:A nutty, popcorn, roasted peanut aroma.
Could be used very sparingly in appropriate applications.
Taste Description:Characteristic corn chip, popcorn
Corn chip, popcorn, and peanut flavors.
Sigma-Aldrich
2-Acetylthiazole, ≥99%, FG
Odor Description:chocolate; hazelnut; meaty; fruity
Taste Description:corn chip slight musty
Treatt
2-Acetylthiazole Halal, Kosher
Odor Description:cereal, bread, nutty / hazelnut, cocoa
Taste Description:cereal
Used in flavouring snack foods at 3ppm, gravies at 2ppm, bakery at 1ppm, and soups at 0.5ppm.
Alfrebro
2-ACETYL THIAZOLE
Odor Description:Popcorn, Cocoa, Hazelnut, Bread, Cereal
Moellhausen
2-ACETYL THIAZOLE
Odor Description:hazel nut, almond
Taste Description:cereal, cocoa, popcorn
 
Cosmetic Information:
CosIng:cosmetic data
Cosmetic Uses: perfuming agents
 
Suppliers:
Advanced Biotech
2-ACETYL THIAZOLE
Alfrebro
2-ACETYL THIAZOLE
Odor: Popcorn, Cocoa, Hazelnut, Bread, Cereal
Anhui Haibei
2-Acetyl Thiazole
Odor: Nutty popcorn roasted peanuts hazelnut
Anhui Suzhou Jinli Aromatic Chemicals
2-Acetyl Thiazole
Odor: beef, popcorn, nut, roast peanut
Apiscent Labs
2 ACETYLTHIAZOLE
Odor: Beef, popcorn, nut and roast peanut
Bedoukian Research
2-ACETYL THIAZOLE
≥98.0%, FCC, Kosher
Odor: A nutty, popcorn, roasted peanut aroma.
Use: Could be used very sparingly in appropriate applications.
Flavor: Characteristic corn chip, popcorn
Corn chip, popcorn, and peanut flavors.
Beijing Lys Chemicals
2-Scetyl thiazole
BOC Sciences
For experimental / research use only.
2-ACETYL THIAZOLE FCC 98.0%
Charkit Chemical
ACETYTHIAZOLE, 2- FEMA 3328
DeLong Chemicals America
2-Acetylthiazole, Kosher
Diffusions Aromatiques
2-ACETYL THIAZOL
EMD Millipore
For experimental / research use only.
2-Acetylthiazole
Endeavour Specialty Chemicals
2-Acetylthiazole 99% F&F
Speciality Chemical Product Groups
FCI SAS
2-ACETYL THIAZOLE
Odor: Beef, popcorn, nut, and roast peanut
Fleurchem
2-acetyl thiazole
H. Interdonati, Inc.
2-acetyl thiazole Kosher
Featured Products
Indukern F&F
2-ACETYL THIAZOLE
Odor: POPCORN, NUTTY, BREADY
Jiangyin Healthway
2-Acetyl Thiazole
New functional food ingredients
Jinan Enlighten Chemical Technology(Wutong Aroma )
2-Acetyl thiazole, Kosherk
Lluch Essence
2-ACETYL THIAZOLE
Odor: NUT LIKE, POPCORN, ROASTED
M&U International
2-ACETYL THIAZOLE, Kosher
Moellhausen
2-ACETYL THIAZOLE
Odor: hazel nut, almond
Flavor: cereal, cocoa, popcorn
Pearlchem Corporation
2-Acetyl Thiazole
Penta International
2-ACETYLTHIAZOLE, Kosher
Phoenix Aromas & Essential Oils
thiazole, 2-acetyl
Reincke & Fichtner
2-Acetylthiazole
Riverside Aromatics
2-ACETYLTHIAZOLE
Robinson Brothers
2-Acetylthiazole F&F
https://www.robinsonbrothers.uk/chemistry-competences
Santa Cruz Biotechnology
For experimental / research use only.
2-Acetylthiazole ≥99%
Sigma-Aldrich
2-Acetylthiazole, ≥99%, FG
Odor: chocolate; hazelnut; meaty; fruity
Certified Food Grade Products
Sunaux International
2-Acetyl Thiazole
Synerzine
2-Acetyl Thiazole
Synerzine
natural 2-Acetyl Thiazole
Taytonn
2-Acetylthiazole
Odor: Burnt, Nutty, Roast
TCI AMERICA
For experimental / research use only.
2-Acetylthiazole >98.0%(GC)
Tengzhou Jitian Aroma Chemiclal
2-Acetyl Thiazole
Tengzhou Xiang Yuan Aroma Chemicals
2-Acetyl Thiazole
Treatt
2-Acetylthiazole
Halal, Kosher
Odor: cereal, bread, nutty / hazelnut, cocoa
Flavor: cereal
Used in flavouring snack foods at 3ppm, gravies at 2ppm, bakery at 1ppm, and soups at 0.5ppm.
Vigon International
Acetyl-2 Thiazole
WEN International
2-ACETYL THIAZOLE
Synthetic
 
Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
Xn - Harmful.
R 22 - Harmful if swallowed.
R 36/38 - Irritating to skin and eyes.
R 43 - May cause sensitisation by skin contact.
S 02 - Keep out of the reach of children.
S 20/21 - When using do not eat, drink or smoke.
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)
Flammable liquids (Category 4), H227
Acute toxicity, Oral (Category 4), H302
Skin sensitisation (Category 1), H317
Eye irritation (Category 2A), H319
GHS Label elements, including precautionary statements
 
Pictogramexclamation-mark.jpg
 
Signal word Warning
Hazard statement(s)
H227 - Combustible liquid
H302 - Harmful if swallowed
H317 - May cause an allergic skin reaction
H319 - Causes serious eye irritation
Precautionary statement(s)
P210 - Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P261 - Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 - Wash skin thouroughly after handling.
P270 - Do not eat, drink or smoke when using this product.
P272 - Contaminated work clothing should not be allowed out of the workplace.
P280 - Wear protective gloves/protective clothing/eye protection/face protection.
P301 + P312 - IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302 + P352 - IF ON SKIN: wash with plenty of soap and water.
P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P330 - Rinse mouth.
P333 + P313 - IF SKIN irritation or rash occurs: Get medical advice/attention.
P337 + P313 - IF eye irritation persists: Get medical advice/attention.
P363 - Wash contaminated clothing before reuse.
P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam for extinction.
P403 + P235 - Store in a well-ventilated place. Keep cool.
P501 - Dispose of contents/ container to an approved waste disposal plant.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
 
Safety in Use Information:
Category: flavor and fragrance agents
Recommendation for 2-acetyl thiazole usage levels up to:
  0.1000 % in the fragrance concentrate.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 9.70 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 10.00 (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: 6
 average usual ppmaverage maximum ppm
baked goods: --
beverages(nonalcoholic): -0.20000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: -0.60000
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -0.90000
fruit ices: -0.90000
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: -1.40000
imitation dairy: --
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: --
soups: --
sugar substitutes: --
sweet sauces: --
 
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 21: Thiazoles, thiophene, thiazoline and thienyl derivatives from chemical group 29. Miscellaneous substances from chemical group 30. (Commission Regulation (EC) No 1565/2000 of 18 July 2000) - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC)
View page or View pdf

Flavouring Group Evaluation 76, (FGE.76)[1] - Consideration of sulphur-containing heterocyclic compounds evaluated by JECFA (59th meeting) structurally related to thiazoles, thiophene, thiazoline and thienyl derivatives from chemical group 29, miscellaneous substances from chemical group 30 evaluated by EFSA in FGE.21 - Scientific Opinion of the Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food
View page or View pdf

Flavouring Group Evaluation 21, Revision 1 (FGE.21Rev1): Thiazoles, thiophene, thiazoline and thienyl derivatives from chemical group 29 Miscellaneous substances from chemical group 30
View page or View pdf

Scientific Opinion on the safety and efficacy of thiazoles, thiophene, thiazoline and thienyl derivatives (chemical group 29): 3-acetyl-2,5-dimethylthiophene when used as a flavouring for all animal species
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 76, Revision 1 (FGE.76Rev1): Consideration of sulphur-containing heterocyclic compounds evaluated by JECFA (59th meeting) structurally related to thiazoles, thiophene, thiazoline and thienyl derivatives from chemical group 29 and miscellaneous substances from chemical group 30 evaluated by EFSA in FGE.21Rev3
View page or View pdf

Safety and efficacy of thiazoles, thiophene and thiazoline belonging to chemical group 29 when used as flavourings for all animal species
View page or View pdf

EPI System: View
EPA Substance Registry Services (TSCA):24295-03-2
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :520108
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
1-(1,3-thiazol-2-yl)ethanone
Chemidplus:0024295032
 
References:
 1-(1,3-thiazol-2-yl)ethanone
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:24295-03-2
Pubchem (cid):520108
Pubchem (sid):135263580
Flavornet:24295-03-2
 
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
FDA Everything Added to Food in the United States (EAFUS):View
CHEMBL:View
HMDB (The Human Metabolome Database):HMDB32964
FooDB:FDB010950
Export Tariff Code:2934.10.9000
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
 
Potential Blenders and core components note
For Odor
bready
coffee furanone
FL/FR
furfural
FL/FR
buttery
acetyl propionyl
FL/FR
caramellic
maltol
FL/FR
shoyu furanone
FL/FR
toffee furanone
FL/FR
chocolate
chocolate pyrazine A
FL/FR
cocoa hexenal
FL/FR
2,6-
dimethyl pyrazine
FL/FR
2-
methoxy-3-methyl pyrazine
FL/FR
corn chip
popcorn pyrimidine
FL/FR
earthy
nutty pyrazine
FL/FR
floral
bitter
orangeflower concrete morocco
FR
minty
dextro-
carvone
FL/FR
musty
2-
acetyl pyrrole
FL/FR
nutty
3-
acetyl pyridine
FL/FR
2-
acetyl-3-ethyl pyrazine
FL/FR
2-
acetyl-3,5(or 6)-dimethyl pyrazine
FL/FR
2-
acetyl-5-methyl furan
FL/FR
3,5-
cocoa pyrazine
FL/FR
2,3-
dimethyl pyrazine
FL/FR
2-
ethyl pyrazine
FL/FR
filbert pyrazine
FL/FR
(E)-
filbertone
FL/FR
2,6-
lutidine
FL/FR
methoxymethyl pyrazine
FL/FR
2-
methyl pyrazine
FL/FR
5-
methyl quinoxaline
FL/FR
2-
methyl thio-3,5 or 6-methyl pyrazine
FL/FR
nutty quinoxaline
FL/FR
peanut fragrance
FR
sesame absolute CO2 extract
FL/FR
2,3,5-
trimethyl pyrazine
FL/FR
popcorn
2-
acetyl pyrazine
FL/FR
2-
acetyl pyridine
FL/FR
spicy
caraway seed oleoresin
FL/FR
tonka
whiskey lactone
FL/FR
waxy
butyl laurate
FL/FR
woody
cedrenyl acetate
FR
2-
methoxy-4-vinyl phenol
FL/FR
pinacol
FR
For Flavor
No flavor group found for these
2-
acetyl-5-methyl pyrazine
FL
2-
acetyl-6-methyl pyrazine
FL
(E)-
aconitic acid
FL
2(4)-iso
butyl-4(2),6-dimethyl dihydro-4H-1,3,5-dithiazine
FL
chocolate pyrazine A
FL/FR
ethyl dimethyl pyrazine
FL
(E)-
filbertone
FL/FR
2-
methoxy-6-methyl pyrazine
FL
methyl octyl sulfide
FL
peanut dithiazine
FL
2-
propionyl pyrrole
FL
pyrazines mixture
FL
bready
bready
2-
propionyl thiazole
FL
brown
furfural
FL/FR
burnt
furfuryl alcohol
FL
2-
methyl quinoxaline
FL
caramellic
barley
malt extract
FL
maltol
FL/FR
shoyu furanone
FL/FR
toffee furanone
FL/FR
cocoa
butyraldehyde
FL
cocoa hexenal
FL/FR
coffee
diisoamyl thiomalate
FL
corn
2-
acetyl pyridine
FL/FR
2-
acetyl-2-thiazoline
FL
popcorn pyrimidine
FL/FR
green
dihydroxyacetophenone (mixed isomers)
FL
metallic
2,5-
dihydroxy-1,4-dithiane
FL
minty
dextro-
carvone
FL/FR
musty
2,3,5-
trimethyl pyrazine
FL/FR
nutty
3-
acetyl pyridine
FL/FR
2-
acetyl pyrrole
FL/FR
2-
acetyl-3-ethyl pyrazine
FL/FR
2-
acetyl-3,5(or 6)-dimethyl pyrazine
FL/FR
2-
acetyl-5-methyl furan
FL/FR
arachis hypogaea fruit extract
FL
3,5(6)-
cocoa pyrazine
FL
3,5-
cocoa pyrazine
FL/FR
coffee furanone
FL/FR
2,6-
dimethyl pyrazine
FL/FR
2,3-
dimethyl pyrazine
FL/FR
2-
ethyl pyrazine
FL/FR
filbert pyrazine
FL/FR
2,6-
lutidine
FL/FR
2-
methoxy-3-methyl pyrazine
FL/FR
methoxymethyl pyrazine
FL/FR
2-
methyl pyrazine
FL/FR
5-
methyl quinoxaline
FL/FR
2-
methyl thio-3,5 or 6-methyl pyrazine
FL/FR
nutty pyrazine
FL/FR
nutty quinoxaline
FL/FR
sesame absolute CO2 extract
FL/FR
roasted
2-
acetyl pyrazine
FL/FR
smoky
2-
methoxy-4-vinyl phenol
FL/FR
spicy
caraway seed oleoresin
FL/FR
toasted
acetyl propionyl
FL/FR
french
toast flavor
FL
waxy
butyl laurate
FL/FR
furfuryl octanoate
FL
woody
whiskey lactone
FL/FR
 
Potential Uses:
 bread white bread
FRbutter
FLcaramel
FLcheese
FLcorn chip
FRhazelnut
FLmeat
FLnut
FLnut roasted nut
FRpeanut
FRpopcorn
 
Occurrence (nature, food, other):note
 asparagus
Search Trop Picture
 beans
Search PMC Picture
 beef broth
Search PMC Picture
 beef cooked beef
Search PMC Picture
 beer
Search PMC Picture
 brazil nut
Search Trop Picture
 bread white bread
Search PMC Picture
 cereal corn cereal
Search PMC Picture
 cereal rice cereal
Search PMC Picture
 chicken
Search PMC Picture
 kohlrabi stem
Search Trop Picture
 mushroom
Search PMC Picture
 pork cooked pork
Search PMC Picture
 pork liver
Search PMC Picture
 potato cooked potato
Search Trop Picture
 rice bran
Search Trop Picture
 rugula herb
Search Trop Picture
 shellfish
Search PMC Picture
 turkey cooked turkey
Search Picture
 whiskey
Search Picture
 
Synonyms:
2-acetyl thiazole
5-acetyl thiazole
2-acetyl-1,3-thiazole
2-acetyl-2-thiazole
2-acetyl-5-(4-fluorophenyl)thiophene
2-acetylthiazol
2-acetylthiazole
2 acetylthiazole
 ethanone, 1-(2-thiazolyl)-
 methyl 2-thiazolyl ketone
 methyl 5-thiazolyl ketone
 methyl thiazolyl ketone
 popcorn thiazole
1-thiazol-2-yl-ethanone
1-(thiazol-2-yl) ethan-1-one
1-(1,3-thiazol-2-yl)ethan-1-one
1-(thiazol-2-yl)ethanone
1-(1,3-thiazol-2-yl)ethanone
2-thiazolyl methyl ketone
1-(2-thiazolyl) ethanone
1-(2-thiazolyl)-ethanone
 
 
Notes:
Important flavour component; antioxidant. Present in asparagus, kohlrabi, cooked potatoes, roast turkey, raw chicken, cooked beef, pork liver, beer, whisky, heated beans, various mushrooms, rice bran and maize
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