2-methyl-5-methoxythiazole
thiazole, 5-methoxy-2-methyl-
Identification
| Name | 2-methyl-5-methoxythiazole |
| IUPAC | 5-methoxy-2-methyl-1,3-thiazole |
| CAS Number | 38205-64-0 |
| FDA UNII | 154Z60090O |
| Molecular Formula | C5 H7 N O S |
| Molecular Weight | 129.18199000 |
| Nikkaji Number | J59.611F |
| Beilstein | 1209888 |
| CoE Number | 736 |
Regulatory
| JECFA Food Flavoring | 1057 2-methyl-5-methoxythiazole |
| DG SANTE Food Flavourings | 15.002 2-methyl-5-methoxythiazole |
| FEMA Number | 3192 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF) | 38205-64-0 ; 2-METHYL-5-METHOXYTHIAZOLE |
Physical Properties
| Appearance | yellow amber clear liquid (est) |
| Assay | 98.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 1.14600 to 1.15400 @ 25.00 °C. |
| Pounds per Gallon - (est). | 9.536 to 9.602 |
| Refractive Index | 1.51500 to 1.52000 @ 20.00 °C. |
| Boiling Point | 117.00 °C. @ 34.00 mm Hg |
| Vapor Pressure | 1.085000 mmHg @ 25.00 °C. (est) |
| Flash Point | 147.00 °F. TCC ( 63.89 °C. ) |
| logP (o/w) | 0.336 (est) |
| Soluble in | alcohol |
| Insoluble in | water |
Organoleptic Properties
| Odor Description | at 0.10 % in dipropylene glycol. |
Safety Information
| Oral/Parenteral Toxicity | oral-rat LD50 1250 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 2-methyl-5-methoxythiazole usage levels up to | not for fragrance use. |
| Maximised Survey-derived Daily Intakes (MSDI-EU) | 0.012 (μg/capita/day) |
| Maximised Survey-derived Daily Intakes (MSDI-USA) | 0.01 (μg/capita/day) |
| Structure Class | III |
| 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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Potential Uses
Natural Occurrence
Synonyms
5-
methoxy-2-methyl thiazole
5-
methoxy-2-methyl-1,3-thiazole
5-
methoxy-2-methylthiazole
thiazole, 5-methoxy-2-methyl-
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