| Identification | Back Directory | [Name]
3,4-DIMETHYLTHIOPHENE | [CAS]
632-15-5 | [Synonyms]
3,4-DIMETHYLTHIOPHENE
Thiophene,3,4-diMethyl-
DiMethylthiophene (Me2Thio)
3,4-DIMETHYLTHIOPHENE ISO 9001：2015 REACH | [Molecular Formula]
C6H8S | [MDL Number]
MFCD01764731 | [MOL File]
632-15-5.mol | [Molecular Weight]
112.19 |
| Questions And Answer | Back Directory | [Synthesis]
3,4-Dimethylthiophene can be prepared from tetraethoxycarbonylethane and dichloromethyl sulfide. The ester is reduced with LAH to give a diol, and the diacetate is directly pyrolyzed to give 3,4-dimethylthiophene. 
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| Chemical Properties | Back Directory | [Melting point ]
50-54℃ | [Boiling point ]
147℃ | [density ]
1.006 | [FEMA ]
4645 | 3,4-DIMETHYLTHIOPHENE | [refractive index ]
1.5187 | [Fp ]
>110℃ | [storage temp. ]
Keep in dark place,Sealed in dry,Room Temperature | [form ]
liquid (estimate) | [Odor]
savory roasted onion | [JECFA Number]
2110 | [InChI]
InChI=1S/C6H8S/c1-5-3-7-4-6(5)2/h3-4H,1-2H3 | [InChIKey]
GPSFYJDZKSRMKZ-UHFFFAOYSA-N | [SMILES]
C1SC=C(C)C=1C | [LogP]
2.82 |
| Hazard Information | Back Directory | [Uses]
3,4-Dimethylthiophene is used in dry onion preparation for seasoning. | [Definition]
ChEBI: 3,4-dimethylthiophene is a thiophene that is substituted by methyl groups at positions 3 and 4. It has a role as a flavouring agent, a plant metabolite and a human urinary metabolite. | [Synthesis Reference(s)]
The Journal of Organic Chemistry, 27, p. 869, 1962 DOI: 10.1021/jo01050a043 |
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| Company Name: |
Energy Chemical
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| Telephone: |
400-0056266 |
| Website: |
www.energy-chemical.com |
| Company Name: |
Aemon Chemical
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0086-755-86198205 |
| Website: |
www.aemonchem.com |
| Company Name: |
SynAsst Chemical.
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021-60343070 |
| Website: |
www.chemicalbook.com/ShowSupplierProductsList15848/0_EN.htm |
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