2-Ethoxythiazole
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- Category :
Organic chemicals and Derivatives/Aroma compounds
- CAS NO : 15679-19-3
- EC NO : 239-760-5
- Molecular Formula : C5H7NOS
- Main Specifications : 99% min
- Synonyms : 2-Ethoxy thiazole;2-ethoxy-1,3-thiazole;2-ethoxy-thiazole;
Package: 25kg，50kg 200kg
Uses : used as an edible essence, with strong burnt and nut aroma
Molecular Structure:
Product description:
What is the chemical of 2-Ethoxythiazole ?
Appearance: Colorless to pale yellow transparent oily liquid ;
Odor characteristics: It has a moldy, vegetable, roasted nut, and phenolic aroma (1.0% in dipropylene glycol)
Assay：99%min by GC ;
IR Identity: conform to standard ;
HNMR： conform to standard ;
carbon spectrum: conform to standard ;
Water by K. F.:0.5% max or as per the customer’s request ;
Loss on drying:0.5% max. or as per the customer’s request ;
boiling point: 157-160 °C;
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Use: This compound is mainly used as an edible essence, with strong burnt and nut aroma, and is often used to prepare essence with the flavor of toasted nut meat, burnt phenolic, etc.
It is also classified as a food additive and is allowed to be used in food, but it must meet the maximum allowable use and residue standards
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Synthetic route
Main industrial synthesis pathways:
2-Bromothiazole+Ethanol Sodium → 2-Ethoxythiazole
Reaction type: Nucleophilic substitution reaction (SN ?)
Reaction conditions (based on literature inference):
Solvent: Anhydrous ethanol
Temperature: from room temperature to reflux temperature (not specified)
Yield: Approximately 90%
Reaction equation:
Bromothiazole+CH3CH2ONa?>2?Ethoxythiazole+NaBr
Alternative pathway: Conversion through xanthamide intermediate, but lacks detailed process parameters
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