- 2,5-Dimethylthiophene
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- $0.00 / 25KG
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2025-12-01
- CAS:638-02-8
- Min. Order: 1KG
- Purity: 98.0%
- Supply Ability: 10000KGS
- 2,5-Dimethylthiophene
-
- $9.00 / 1KG
-
2025-09-25
- CAS:638-02-8
- Min. Order: 1KG
- Purity: 99%
- Supply Ability: g-kg-tons, free sample is available
- 2,5-Dimethylthiophene
-
- $0.00 / 1kg
-
2024-07-16
- CAS:638-02-8
- Min. Order: 1kg
- Purity: 99%
- Supply Ability: 10ton
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| | 2,5-Dimethylthiophene Basic information |
| Product Name: | 2,5-Dimethylthiophene | | Synonyms: | 2,5-DIMETHYLTHIOPHENE;2,5-DIMETHYLTHIOPHENE, 98.5%;2 5-DIMETHYLTHIOPHENE 98+%;2,5-DIMETHYTHIOPHENE;2,5-Dimethylthiophene, 98.50%;2,5-Thioxene;2,5-DiMethylthiophene, 98.5% 25ML;2,5-Dimethylthiophene USP/EP/BP | | CAS: | 638-02-8 | | MF: | C6H8S | | MW: | 112.19 | | EINECS: | 211-313-9 | | Product Categories: | Flavors and Fragrances;Thiophene&Benzothiophene;Heterocyclic Compounds;Thiophens;Heterocyclic Building Blocks;Thiophenes;thiophene Flavor;Alphabetical Listings;C-D;Building Blocks | | Mol File: | 638-02-8.mol |  |
| | 2,5-Dimethylthiophene Chemical Properties |
| Melting point | -63°C | | Boiling point | 134 °C/740 mmHg (lit.) | | density | 0.985 g/mL at 25 °C (lit.) | | refractive index | n20/D 1.512(lit.) | | Fp | 75 °F | | storage temp. | Keep in dark place,Inert atmosphere,Room temperature | | form | Liquid | | Specific Gravity | 0.985 | | color | Clear colorless to slightly yellow | | 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) |
| 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 | 29349990 | | Storage Class | 3 - Flammable liquids | | Hazard Classifications | Flam. Liq. 3 |
| | 2,5-Dimethylthiophene Usage And Synthesis |
| Chemical Properties | clear colorless to slightly yellow liquid | | Uses | 2,5-Dimethylthiophene is used as an intermediate in organic synthesis. | | Definition | ChEBI: 2,5-Dimethylthiophene is a member of thiophenes. | | Synthesis Reference(s) | The Journal of Organic Chemistry, 20, p. 1363, 1955 DOI: 10.1021/jo01127a012 | | General Description | 2,5-Dimethylthiophene is a volatile flavoring compound that has been identified in the essential oil of onion. It is reported to be one of the sulfur-containing compounds formed via Maillard reaction/Strecker degradation of cysteine with furaneol. |
| | 2,5-Dimethylthiophene Preparation Products And Raw materials |
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