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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%;Thiophene, 2,5-dimethyl-;2,5-Thioxene;2,5-DiMethylthiophene, 98.5% 25ML |  | CAS: | 638-02-8 |  | MF: | C6H8S |  | MW: | 112.19 |  | EINECS: | 211-313-9 |  | Product Categories: | thiophene  Flavor;Building  Blocks;Alphabetical  Listings;C-D;Heterocyclic  Building  Blocks;Thiophenes;Thiophene&Benzothiophene;Heterocyclic Compounds;Thiophens;Flavors  and  Fragrances |  | 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 |  | color  | Clear colorless to slightly yellow |  | Specific Gravity | 0.985 |  | Odor | at 0.10 % in propylene glycol. nutty sulfury |  | Odor Type | sulfurous |  | Water Solubility  | Insoluble in water. Soluble in alcohol, ether and benzene. |  | BRN  | 106450 |  | InChIKey | GWQOOADXMVQEFT-UHFFFAOYSA-N |  | 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) |  
  
 |  | 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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