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tropical thiazole

Chemical Structure

General Material Information

Preferred name tropical thiazole
Trivial Name 2-Isopropyl-4-methylthiazole
Short Description 2-isopropyl-4-methylthiazole
Formula C7 H11 N S
CAS Number 15679-13-7
FEMA Number 3555
Flavis Number 15.026
ECHA Number 239-758-4
FDA UNII NQF7JO3MUP
Nikkaji Number J108.861K
MDL MFCD00036561
xLogP3-AA 2.50 (est)
NMR Predictor External link
JECFA Food Flavoring 1037 2-isopropyl-4-methylthiazole
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 15679-13-7 ; 2-ISOPROPYL-4-METHYLTHIAZOLE
Synonyms
  • 4-methyl-2-(1-methyl ethyl) thiazole
  • 4-methyl-2-(1-methylethyl)-1,3-thiazole
  • 4-methyl-2-(1-methylethyl)thiazole
  • 4-methyl-2-(propan-2-yl)-1,3-thiazole
  • 4-methyl-2-propan-2-yl-1,3-thiazole
  • peach thiazole
  • peach thiazole 1% in ETOH natural
  • peach thiazole 1% in OS natural
  • peach thiazole 1% in triacetin natural
  • peach thiazole 1% in WS-PG natural
  • peach thiazole 1% WS-GLY natural
  • peach thiazole 10% in triacetin natural
  • peachthiazole
  • peachthiazole (2-isopropyl-4-methylthiazole)
  • 2 iso propyl 4 methyl thiazole
  • 2-iso propyl 4 methyl thiazole
  • iso propyl-2 4-methyl thiazole
  • 2-iso propyl-4-methyl thiazole
  • 2-iso- propyl-4-methyl thiazole natural
  • 2-iso propyl-4-methyl-1,3-thiazole
  • 2-iso propyl-4-methylthiazole
  • iso propyl-4-methylthiazole
  • 2-iso propyl-4-methylthiazole, natural
  • 2-iso propyl-4-methylthiazole, natural 1% in ethyl alcohol
  • 2-iso propyl-4-methylthiazole, natural 1% in P.G.
  • iso propylmethylthiazole 1% in ETOH Natural
  • iso propylmethylthiazole 1% in PG Natural
  • iso propylmethylthiazole Natural
  • iso propylmethylthiazole, 1% in Neobee Natural
  • thiazole, 2-isopropyl-4-methyl-
  • thiazole, 4-methyl-2-(1-methylethyl)-
  • 4-methyl-2-propan-2-yl-1,3-thiazole
  • 4-Methyl-2-(1-methylethyl)thiazole
  • 2-Isopropyl-4-methylthiazole

US / EU / FDA / JECFA / FEMA / Scholar / Patents

Google Scholar Start search
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Perfumer & Flavorists Start search
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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
CHEBI:View
HMDB (The Human Metabolome Database):HMDB37156
FooDB:FDB016151
YMDB (Yeast Metabolome Database):YMDB01496
Export Tariff Code:2934.10.0090
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

Suppliers

Advanced Biotech Alfrebro
Ambles Nature et Chimie Anhui Haibei
Anhui Suzhou Jinli Aromatic Chemicals Augustus Oils
Axxence Aromatic Beijing Lys Chemicals
Berjé BOC Sciences
Charkit Chemical DeLong Chemicals America
Endeavour Specialty Chemicals Ernesto Ventós
Excellentia International FCI SAS
Fleurchem Frutarom
IFF Indukern F&F
Jiangyin Healthway Jinan Enlighten Chemical Technology(Wutong Aroma )
Kingchem Laboratories Lluch Essence
M&U International Moellhausen
Natural Advantage Pearlchem Corporation
Penta International R C Treatt & Co Ltd
Reincke & Fichtner Riverside Aromatics
Robertet Robinson Brothers
Santa Cruz Biotechnology Sigma-Aldrich
SRS Aromatics Sunaux International
Synerzine Taytonn ASCC
TCI AMERICA Tengzhou Jitian Aroma Chemiclal
Tengzhou Xiang Yuan Aroma Chemicals Tianjin Danjun International
United International Vigon International
WholeChem Advanced Biotech. Inc.
Alfrebro LLC/ Archer Daniels Midland Company Augustus Oils Ltd
Axxence Aromatic GmbH Beijing Lys Chemicals Co, LTD.
Berje Inc. Charkit Chemical Corporation
Endeavour Specialty Chemicals Ltd Fleurchem, Inc.
FRUTAROM USA INC, Indukern, S.A. F&F Ingredients Division
Jiangyin Healthway International Trade Co., Ltd Lluch Essence S.L.
M&U International LLC Moellhausen S.P.A.
Penta International Corporation Riverside Aromatics Ltd.
Robertet, Inc. Robinson Brothers Limited
SRS Aromatics Ltd Synerzine, Inc.
Taytonn ASCC Pte Ltd Tianjin Danjun International Trade Co., LTD.
R C Treatt and Co Ltd Qingdao Free Trade Zone United International Co Ltd
Ernesto Ventós S.A. WholeChem, LLC

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 141.23666381836
Specific gravity @ 25 °C
Pounds per Gallon 8.296 to 8.346
Refractive Index 1.494 to 1.504 @ 20 °C
Vapor Pressure 1.192 mmHg @ 25 °C
Vapor Density 4.8
Flash Point TCC Value 58.33 °C TCC
logP (o/w) 1.225 est
Solubility
alcohol Yes
water, slightly Yes
water, 228.5 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Fruity
fruit tropical fruit, green, vegetable, nutty, rooty, earthy, musty, alliaceous, sulfurous, fruity, coffee, meaty
General comment At 0.10 % in dipropylene glycol. tropical fruit green vegetable nut rooty earthy
Mosciano, Gerard P&F 19, No. 1, 27, (1994) Musty alliaceous earthy sulfury slight fruity, coffee, meaty
Flavor Type: Alliaceous
alliaceous, earthy, sulfurous, coffee, tropical, fruity
Mosciano, Gerard P&F 19, No. 1, 27, (1994) At 2.00 ppm. Alliaceous earthy sulfurous coffee with a tropical fruity nuance
Excellent sulfur notes to add fuzzy skin notes to peach and apricot. Sulfury, metallic notes similar to the fuzzy notes of peach skin
Used in chewing gum at 4ppm, tea coffee and confectionery at 2ppm, and in beverages at 1ppm. Green

Occurrences

Potential Uses

Applications
Odor purposes Apricot, Coffee, Fruit, Green, Peach
Flavoring purposes Fruit tropical fruit, Meat, Nut, Tomato, Vegetable

Safety Information

Safety information

Preferred SDS: View
European information :
Most important hazard(s):
Xn - Harmful.
R 10 - Flammable.
R 22 - Harmful if swallowed.
S 02 - Keep out of the reach of children.
S 16 - Keep away from sources of ignition - No Smoking.
S 20/21 - When using do not eat, drink or smoke.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 37/39 - Wear suitable gloves and eye/face protection.
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:
gavage-rat LD50 [sex: M,F] 0.83 ml/kg
(Griffiths & Babish, 1977b)

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

Safety in use information

Category:
flavor and fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for tropical thiazole usage levels up to:
0.0500 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 19.00 (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: 11
Click here to view publication 11
average usual ppmaverage maximum ppm
baked goods: --
beverages(nonalcoholic): -1.00000
beverages(alcoholic): -2.00000
breakfast cereal: --
cheese: --
chewing gum: -4.00000
condiments / relishes: --
confectionery froastings: -2.00000
egg products: --
fats / oils: --
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: -1.50000
granulated sugar: --
gravies: --
hard candy: -2.00000
imitation dairy: -2.00000
instant coffee / tea: -2.00000
jams / jellies: -2.00000
meat products: --
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: -1.00000
soups: --
sugar substitutes: --
sweet sauces: -1.50000

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

Safety of 31 flavouring compounds belonging to different chemical groups when used as feed additives for all animal species
View page or View pdf

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):15679-13-7
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :61808
National Institute of Allergy and Infectious Diseases:Data
WISER:UN 1993
WGK Germany:3
4-methyl-2-propan-2-yl-1,3-thiazole
Chemidplus:0015679137