Preferred name | 2,4-dimethyl thiazole |
Trivial Name | 2,4-Dimethylthiazole |
Short Description | 2,4-dimethylthiazole |
Formula | C5 H7 N S |
CAS Number | 541-58-2 |
Flavis Number | 15.062 |
ECHA Number | 208-786-9 |
FDA UNII | LHT97038OA |
Nikkaji Number | J45.578D |
Beilstein Number | 0106414 |
MDL | MFCD00014509 |
COE Number | 11605 |
xLogP3-AA | 1.80 (est) |
Bio Activity Summary | External link |
NMR Predictor | External link |
Synonyms |
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NCBI | Start search |
(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 |
HMDB (The Human Metabolome Database): | HMDB32974 |
FooDB: | FDB010961 |
Export Tariff Code: | 2934.10.9000 |
VCF-Online: | VCF Volatile Compounds in Food |
ChemSpider: | View |
Material listed in food chemical codex | No |
Molecular weight | 113.18279266357 |
Specific gravity | @ 20 °C |
Pounds per Gallon | 8.781 to 8.872 |
Refractive Index | 1.502 to 1.514 @ 20 °C |
Vapor Pressure | 5.08 mmHg @ 25 °C |
Vapor Density | 3.8 |
Flash Point TCC Value | 49.44 °C TCC |
logP (o/w) | 0.361 est |
Solubility | |
alcohol | Yes |
water, 1750 mg/L @ 25 °C (est) | Yes |
water | No |
Odor Type: Coffee | |
coffee, tea, beefy, barley roasted barley | |
General comment | At 0.10 % in dipropylene glycol. coffee tea beefy roasted barley |
Flavor Type: Coffee | |
coffee | |
General comment | Coffee |
Used in condiments, soups and sauces at 2-ppm, and in bakery and confection at 10ppm. | Coffee |
(data available) |
Applications | |
Flavoring purposes | Barley, Chocolate cocoa, Coffee, Nut, Tea |
Preferred SDS: View | |
European information : | |
Most important hazard(s): | |
Xn - Harmful. | |
R 10 - Flammable. R 22 - Harmful if swallowed. R 36/37/38 - Irritating to eyes, respiratory system, and skin. S 02 - Keep out of the reach of children. 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) | |
None found. | |
GHS Label elements, including precautionary statements | |
Pictogram | |
Hazard statement(s) | |
None found. | |
Precautionary statement(s) | |
None found. | |
Oral/Parenteral Toxicity: | |
intraperitoneal-mouse LD50 250 mg/kg National Technical Information Service. Vol. AD691-490 | |
Dermal Toxicity: | |
Not determined | |
Inhalation Toxicity: | |
Not determined |
Category: | |||
flavoring agents | |||
Recommendation for 2,4-dimethyl thiazole usage levels up to: | |||
not for fragrance use. | |||
Maximised Survey-derived Daily Intakes (MSDI-EU): | 0.61 (μg/capita/day) | ||
Modified Theoretical Added Maximum Daily Intake (mTAMDI): | 140 (μg/person/day) | ||
Threshold of Concern: | 540 (μg/person/day) | ||
Structure Class: | II | ||
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/kg | maximum usage mg/kg | ||
Dairy products, excluding products of category 02.0 (01.0): | 0.40000 | 2.00000 | |
Fats and oils, and fat emulsions (type water-in-oil) (02.0): | 0.20000 | 1.00000 | |
Edible ices, including sherbet and sorbet (03.0): | 0.40000 | 2.00000 | |
Processed fruit (04.1): | 0.30000 | 1.50000 | |
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): | - | - | |
Confectionery (05.0): | 0.40000 | 2.00000 | |
Chewing gum (05.3): | - | - | |
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): | 0.20000 | 1.00000 | |
Bakery wares (07.0): | 0.40000 | 2.00000 | |
Meat and meat products, including poultry and game (08.0): | 0.10000 | 0.40000 | |
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): | 0.10000 | 0.40000 | |
Eggs and egg products (10.0): | - | - | |
Sweeteners, including honey (11.0): | - | - | |
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): | 0.20000 | 1.00000 | |
Foodstuffs intended for particular nutritional uses (13.0): | 0.40000 | 2.00000 | |
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): | 0.20000 | 1.00000 | |
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): | - | - | |
Ready-to-eat savouries (15.0): | 1.00000 | 5.00000 | |
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): | 0.20000 | 1.00000 |
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 |
Flavouring Group Evaluation 93 (FGE.93): Consideration of sulphur heterocyclic evaluated by JECFA (68th meeting) structurally related to thiazoles, thiophene, thiazoline and thienyl evaluated by EFSA in FGE.21Rev1 (2009) View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 21, Revision 2 (FGE.21Rev2): Thiazoles, thiophene, thiazoline and thienyl derivatives from chemical group 29. Miscellaneous substances from chemical group 30. View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 21, Revision 3 (FGE.21Rev3): Thiazoles, thiophenes, thiazoline and thienyl derivatives from chemical groups 29 and 30 View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 21, Revision 4 (FGE.21Rev4): Thiazoles, thiophenes, thiazoline and thienyl derivatives from chemical groups 29 and 30 View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 21, Revision 5 (FGE.21Rev5): Thiazoles, thiophenes, thiazoline and thienyl derivatives from chemical groups 29 and 30 View page or View pdf |
EPI System: View |
AIDS Citations:Search |
Cancer Citations:Search |
Toxicology Citations:Search |
EPA Substance Registry Services (TSCA):541-58-2 |
EPA ACToR:Toxicology Data |
EPA Substance Registry Services (SRS):Registry |
Laboratory Chemical Safety Summary :10934 |
National Institute of Allergy and Infectious Diseases:Data |
WISER:UN 1993 |
WGK Germany:3 |
2,4-dimethyl-1,3-thiazole |
Chemidplus:0000541582 |
RTECS:XJ4375000 for cas# 541-58-2 |