4,5-dimethyl thiazole
4,5-dimethylthiazole
Identification
| Name | 4,5-dimethyl thiazole |
| IUPAC | 4,5-dimethyl-1,3-thiazole |
| CAS Number | 3581-91-7 |
| EINECS | 222-703-3 |
| FDA UNII | U3RP5I088G |
| Molecular Formula | C5 H7 N S |
| Molecular Weight | 113.18279000 |
| MDL Number | MFCD00005336 |
| Nikkaji Number | J45.577F |
| Beilstein | 0105694 |
| CoE Number | 11606 |
Regulatory
| JECFA Food Flavoring | 1035 4,5-dimethylthiazole |
| DG SANTE Food Flavourings | 15.017 4,5-dimethylthiazole |
| FEMA Number | 3274 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF) | 3581-91-7 ; 4,5-DIMETHYLTHIAZOLE |
Physical Properties
| Appearance | colorless to yellow clear liquid (est) |
| Assay | 97.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 1.05500 to 1.08500 @ 25.00 °C., 1.06700 to 1.07200 @ 25.00 °C. |
| Pounds per Gallon - (est). | 8.779 to 9.028 |
| Pounds per Gallon - est. | 8.879 to 8.920 |
| Refractive Index | 1.51000 to 1.53000 @ 20.00 °C., 1.51600 to 1.52400 @ 20.00 °C. |
| Melting Point | 83.00 to 84.00 °C. @ 760.00 mm Hg |
| Boiling Point | 157.00 to 159.00 °C. @ 760.00 mm Hg, 158.00 °C. @ 742.00 mm Hg |
| Vapor Pressure | 3.456000 mmHg @ 25.00 °C. (est) |
| Vapor Density | 3.8 ( Air = 1 ) |
| Flash Point | 125.00 °F. TCC ( 51.67 °C. ) |
| logP (o/w) | 1.184 (est) |
| Soluble in | alcohol |
| Insoluble in | water |
Organoleptic Properties
| Odor Description |
at 0.10 % in dipropylene glycol. Fishy, amine and pyridine-like with shrimp and savory nuances Nutty, green, roasted, meaty, boiled poultry Roast, Nutty, Green, Fish
|
| Taste Description |
at 5.00 ppm. nutty
|
Safety Information
| Preferred SDS | View |
| European information | Most important hazard(s): |
| Oral/Parenteral Toxicity | gavage-rat LD50 [sex: M,F] 964.90 mg/kg |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | flavoring agents |
| Recommendation for 4,5-dimethyl thiazole usage levels up to | not for fragrance use. |
| Maximised Survey-derived Daily Intakes (MSDI-EU) | 0.18 (μg/capita/day) |
| Maximised Survey-derived Daily Intakes (MSDI-USA) | 0.40 (μg/capita/day) |
| Structure Class | II |
| baked goods | - |
| beverages(nonalcoholic) | - |
| beverages(alcoholic) | - |
| breakfast cereal | - |
| cheese | - |
| chewing gum | - |
| condiments / relishes | - |
| confectionery froastings | - |
| egg products | - |
| fats / oils | - |
| fish products | - |
| frozen dairy | - |
| fruit ices | - |
| gelatins / puddings | - |
| granulated sugar | - |
| gravies | - |
| hard candy | - |
| 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 | - |
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