4-Methyl-5-vinylthiazole
- CAS NO.：1759-28-0
- Empirical Formula: C6H7NS
- Molecular Weight: 125.19
- MDL number: MFCD00005337
- EINECS: 217-160-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-06-26 21:45:57
What is 4-Methyl-5-vinylthiazole?
Chemical properties
CLEAR YELLOW TO BROWN LIQUID
Chemical properties
4-Methyl-5-vinylthiazole has a nutty, cocoa odor.
Occurrence
Reported found in cocoa aroma, yellow passion fruit aroma, garlic, pork, cognac, roasted filberts and soursop.
The Uses of 4-Methyl-5-vinylthiazole
4-Methyl-5-vinylthiazole is found in flowers and is highly attractive to both male and female beetles of three species of the genus Cyclocephala, pollinators of the studied plant taxa.
Taste threshold values
Taste characteristics at 20 ppm: nutty, musty, earthy, cocoa powder-like
General Description
4-Methyl-5-vinylthiazole is a nitrogen and sulphur-containing heterocyclic compound, present in the species of Annona (magnoliids, Annonaceae) and Caladium bicolor (monocots, Araceae). It is extremely attractive to both male and female beetles of three species of the genus Cyclocephala.
Properties of 4-Methyl-5-vinylthiazole
| Melting point: | -15 °C (lit.) |
| Boiling point: | 78-80 °C/25 mmHg (lit.) |
| Density | 1.093 g/mL at 25 °C (lit.) |
| refractive index | n |
| FEMA | 3313 | 4-METHYL-5-VINYLTHIAZOLE |
| Flash point: | 159 °F |
| storage temp. | Inert atmosphere,2-8°C |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| form | liquid |
| pka | 3.17±0.10(Predicted) |
| color | Dark Yellow |
| Specific Gravity | 1.093 |
| Odor | at 0.10 % in dipropylene glycol. musty nutty root vegetable cocoa |
| JECFA Number | 1038 |
| BRN | 107867 |
| Stability: | Light and Temperature Sensitive |
| CAS DataBase Reference | 1759-28-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Thiazole, 5-ethenyl-4-methyl-(1759-28-0) |
| EPA Substance Registry System | 4-Methyl-5-vinylthiazole (1759-28-0) |
Safety information for 4-Methyl-5-vinylthiazole
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4-Methyl-5-vinylthiazole
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