| Name | 2-Acetylthiazole |
| Synonyms | Acetylthiazole 2-Acetylthiazol 2-Acetylthiazole 2-Acetyl thiazole THIAZOLE-2-ACETYL 2-Thiazolylmethylketone 1-(2-thiazolyl)-ethanon 1-(2-thiazolyl)-ethanone Methyl 2-thiazolyl ketone 2-Thiazolyl methyl ketone 1-(2-thiazolyl)-ethanone Ketone, methyl 2-thiazolyl 1-(1,3-thiazol-2-yl)ethanone 1-(1,3-Thiazol-2-yl)ethanone |
| CAS | 24295-03-2 |
| EINECS | 246-134-5 |
| InChI | InChI=1/C5H5NOS/c1-4(7)5-6-2-3-8-5/h2-3H,1H3 |
| Molecular Formula | C5H5NOS |
| Molar Mass | 127.16 |
| Density | 1.227 g/mL at 25 °C (lit.) |
| Melting Point | 65.5°C |
| Boling Point | 89-91 °C/12 mmHg (lit.) |
| Flash Point | 173°F |
| JECFA Number | 1041 |
| Vapor Presure | 0.173mmHg at 25°C |
| Appearance | White to yellow crystals |
| Specific Gravity | 1.23 |
| Color | White to slightly yellow |
| BRN | 109803 |
| pKa | 0.05±0.10(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Stench |
| Refractive Index | n20/D 1.548(lit.) |
| MDL | MFCD00005324 |
| Physical and Chemical Properties | Density 1.22 melting point 65.5°C boiling point 89-91°C (12 torr) refractive index 1.547-1.549 flash point 78°C |
| Use | Used as a spice |
| Risk Codes | R22 - Harmful if swallowed R36 - Irritating to the eyes R43 - May cause sensitization by skin contact R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. |
| UN IDs | 3334 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 13 |
| TSCA | T |
| HS Code | 29341000 |
| Hazard Note | Irritant/Stench |
| Hazard Class | STENCH |
| Raw Materials | Ether Ethyl acetate |
| FEMA | 3328 | 2-ACETYLTHIAZOLE |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| toxicity | GRAS(FEMA). |
| usage limit | FEMA(mg/kg): soft drink 0.2; Cold drink 0.9; Candy 1.4; Gum sugar 0.6; Protein-containing food 0.7. |
| use | GB 2760-1996 stipulates that it is allowed to use food spices. Used as a spice Used as a food spice Used to prepare triazolothiazole analogs, chiral alcohols, and also used in aldol condensation reactions. |
| Production method | The corresponding methanol compound is oxidized with dichromate. |