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| IUPAC name : | 2-ethoxy-1,3-thiazole |
| InChI : | InChI=1/C5H7NOS/c1-2-7-5-6-3-4-8-5/h3-4H,2H2,1H3 |
| InChIKey : | NDUWJHRKDYXRAD-UHFFFAOYAG |
| SMILES : | CCOC1=NC=CS1 |
| cas number : | 15679-19-3 |
| (EINECS) number : | 239-760-5 |
| fema number : | 3340 |
| coe number : | 11611 |
| jecfa number : | 1056 |
| fl. number : | 15.021 |
| molar refractivity : | 34.03 ± 0.3 cm3 |
| parachor : | 281.0 ± 4.0 cm3 |
| index of refraction : | 1.516 ± 0.02 |
| surface tension : | 38.7 ± 3.0 dyne/cm |
| density : | 1.146 ± 0.06 g/cm3 |
| polarizability : | 13.49 ± 0.5 10-24cm3 |
| XlogP : | 0.90 |
| molecular weight : | 129.1801800 (IUPAC) |
| formula : | C5 H7 N O S |
| NMR Predictor : | Predict |
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| export tariff code : | 2934.10.0000 |
| fda reg : | unspecified |
Suppliers :
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| Hofmen : | 2-Ethoxythiazole
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| Jiangyin Healthway : | 2-Ethoxy thiazole
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| Penta : | 2-ethoxythiazole
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| SAFC Global® : | 2-Ethoxythiazole
≥99%, Kosher Odor: meaty; nutty |
organoleptics :
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| odor type : | musty |
| odor strength : | high , recommend smelling in a 1.00 % solution or less |
odor description: at 1.00 % in dipropylene glycol. | musty vegetable roasted nut meat burnt phenolic |
odor description: at 2.00 %. | Musty, vegetative, green, phenolic, nutty, coffee and brothy Mosciano, Gerard P&F 23, No. 3, 55, (1998) |
taste description: at 2.00 ppm. | Musty, vegetative, brothy, nutty and coffee with a slight rubbery nuance Mosciano, Gerard P&F 23, No. 3, 55, (1998) |
properties :
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| appearence : | colorless to yellow clear liquid |
| assay : | 98.00 to 100.00 %
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 1.13100 to 1.13500 @ 25.00 °C.
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| pounds per gallon - calc. : | 9.411 to 9.444
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| refractive index : | 1.49800 to 1.50200 @ 20.00 °C.
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| boiling point : | 173.00 to 174.00 °C. @ 760.00 mm Hg
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| boiling point : | 32.00 °C. @ 2.00 mm Hg
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| flash point : | 129.00 °F. TCC ( 53.89 °C. )
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| logP (o/w) : | 1.74 |
| shelf life : | 12.00 month(s) or longer if stored properly. |
| storage : | refrigerate in tightly sealed containers. |
safety :
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| most important hazard(s) : | Xi - Irritant |
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R 10 - Flammable. R 36/37/38 - Irritating to eyes, respiratory system, and skin. S 02 - Keep out of the reach of children. S 16 - Keep away from sources of ignition - No Smoking. 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 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
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| Oral Toxicity(LD50) : | |
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Gavage-Rat [sex: M,F] 910.90 mg/kg (Piccirillo et al., 1982b)
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| Dermal Toxicity(LD50) : | |
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Not determined
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| Inhalation Toxicity(LC50) : | |
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Not determined
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safety in use :
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| Category : | flavoring agents |
| Maximised Survey-derived Daily Intakes (MSDI-EU) : | 0.012 (μg/capita/day) |
| Maximised Survey-derived Daily Intakes (MSDI-USA) : | 0.12 (μg/capita/day) |
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| recommendation for 2-ethoxythiazole fragrance usage levels up to : |
| | not for fragrance use.
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| recommendation for 2-ethoxythiazole flavor usage levels up to : |
| | 2.0000 ppm in the flavor.
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safety references :
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| European Food Safety Athority(efsa) : | Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... |
| EPI System : | view |
| Canada Domestic Sub. List : | Yes |
| WISER : | UN 1993 |
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| WGK Germany : | 3 |
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| | 2-ethoxy-1,3-thiazole |
| (EINECS) number : | 239-760-5 |
| chemidplus : | 015679193 |
| EPA Substance Registry Services : | 15679-19-3 |
references :
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| | 2-ethoxy-1,3-thiazole |
| fl. number : | 15.021 |
| jecfa number : | 1056 |
| NIST Chemistry WebBook : | 2100789730 |
| pubchem : | 198197 |
other :
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| FDA Everything Added to Food in the United States (EAFUS) | View |