2,5-Dimethylthiophene
- Product Name2,5-Dimethylthiophene
- CAS638-02-8
- CBNumberCB6181350
- MFC6H8S
- MW112.19
- EINECS211-313-9
- MDL NumberMFCD00005452
- MOL File638-02-8.mol
Chemical Properties
| Melting point: | −62.6 °C (−80.7 °F; 210.6 K) |
| Boiling point: | 136.5 °C (277.7 °F; 409.6 K) |
| Density | 0.9836 g/cm3 |
| refractive index | 1.51 |
| Flash point: | 24 °C |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| form | liquid |
| Specific Gravity | 0.985 |
| color | Colorless |
| Odor | at 0.10 % in propylene glycol. nutty sulfury |
| Odor Type | sulfurous |
| biological source | synthetic |
| Water Solubility | Insoluble in water. Soluble in alcohol, ether and benzene. |
| BRN | 106450 |
| Henry's Law Constant | 3.7×10-3 mol/(m3Pa) at 25℃, Mazza (1980) |
| Major Application | flavors and fragrances |
| InChI | 1S/C6H8S/c1-5-3-4-6(2)7-5/h3-4H,1-2H3 |
| InChIKey | GWQOOADXMVQEFT-UHFFFAOYSA-N |
| SMILES | Cc1ccc(C)s1 |
| LogP | 2.523 (est) |
| CAS DataBase Reference | 638-02-8(CAS DataBase Reference) |
| NIST Chemistry Reference | Thiophene, 2,5-dimethyl-(638-02-8) |
| EPA Substance Registry System | 2,5-Dimethylthiophene (638-02-8) |
Safety
| Symbol(GHS) |
 GHS02 |
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| Signal word | Warning | |||||||||
| Hazard statements | H226 | |||||||||
| Precautionary statements | P210-P403+P235 | |||||||||
| PPE | Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter | |||||||||
| Hazard Codes | Xn,F,Xi | |||||||||
| Risk Statements | 10-37-20/22 | |||||||||
| Safety Statements | 23-24/25-16-36-33-29-7/9-3/7/9 | |||||||||
| RIDADR | UN 1993 3/PG 3 | |||||||||
| WGK Germany | 3 | |||||||||
| HazardClass | 3 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 2934999090 | |||||||||
| Storage Class | 3 - Flammable liquids | |||||||||
| Hazard Classifications | Flam. Liq. 3 | |||||||||
| Limited Quantities | 5.0 L (1.3 gallons) (liquid) | |||||||||
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L) | |||||||||
| NFPA 704: |
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