4-Methyl-5-vinylthiazole
4-Methyl-5-vinylthiazole
CAS: 1759-28-0
Molecular Formula: C6H7NS
4-Methyl-5-vinylthiazole - Names and Identifiers
| Name | 4-Methyl-5-vinylthiazole |
| Synonyms | VINYLSULFUROL Vinyl sulfurol 4-Methyl-5-vinylthiazole 4-methyl-5-vinyl-thiazol 5-VINYL-4-METHYLTHIAZOLE 5-ETHENYL-4-METHYLTHIAZOLE 5-ethenyl-4-methyl-thiazol Thiazole, 4-methyl-5-vinyl- 5-Ethenyl-4-methyl-thiazole 4-Methyl-5-vinyl-1,3-thiazole 5-ETHENYL-4-METHYL-1,3-THIAZOLE 5-ethenyl-4-methyl-1,3-thiazole |
| CAS | 1759-28-0 |
| EINECS | 217-160-4 |
| InChI | InChI=1/C6H7NS/c1-3-6-5(2)7-4-8-6/h3-4H,1H2,2H3 |
4-Methyl-5-vinylthiazole - Physico-chemical Properties
| Molecular Formula | C6H7NS |
| Molar Mass | 125.19 |
| Density | 1.093 g/mL at 25 °C (lit.) |
| Melting Point | -15 °C (lit.) |
| Boling Point | 78-80 °C/25 mmHg (lit.) |
| Flash Point | 159°F |
| JECFA Number | 1038 |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.962mmHg at 25°C |
| Appearance | liquid |
| Specific Gravity | 1.093 |
| Color | Dark Yellow |
| BRN | 107867 |
| pKa | 3.17±0.10(Predicted) |
| Storage Condition | Inert atmosphere,2-8°C |
| Stability | Light and Temperature Sensitive |
| Refractive Index | n20/D 1.568(lit.) |
| Physical and Chemical Properties | Colorless oily liquid, cocoa-like aroma. The boiling point of 78~82 degrees C (2500Pa). Soluble in ethanol, insoluble in water. Natural products are found in cocoa, egg nuts, etc. |
4-Methyl-5-vinylthiazole - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN2810 |
| WGK Germany | 3 |
| RTECS | XJ5104000 |
| TSCA | Yes |
| HS Code | 29349990 |
| Hazard Class | 6.1 |
| Packing Group | III |
4-Methyl-5-vinylthiazole - Reference Information
| FEMA | 3313 | 4-METHYL-5-VINYLTHIAZOLE |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Introduction | 4-methyl-5-vinylthiazole is soluble in organic solvents such as ethanol, the boiling point of 78~82 degrees C/2.4 kPa. It is found in cocoa, yellow egg, roasted hazelnuts. With mold odor, nuts, hazelnuts, similar to the smell of vegetable roots, soil. |
| toxicity | GRAS(FEMA). LD50 400 ~ 500mg/kg (rats). |
| usage limit | FEMA(mg/kg): Cold drink 0.2; Meat products, soup, 0.5; Candy, baked products, 1.0; Cereal products, 2.0. |
| method of production | GB 2760-1996 specifies food flavors for temporary use. |
Last Update：2024-04-09 21:11:58
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