3,4-DIMETHYLTHIOPHENE
- CAS NO.：632-15-5
- Empirical Formula: C6H8S
- Molecular Weight: 112.19
- MDL number: MFCD01764731
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 16:09:46
What is 3,4-DIMETHYLTHIOPHENE?
The Uses of 3,4-DIMETHYLTHIOPHENE
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
Properties of 3,4-DIMETHYLTHIOPHENE
| Melting point: | 50-54℃ |
| Boiling point: | 147℃ |
| Density | 1.006 |
| refractive index | 1.5187 |
| FEMA | 4645 | 3,4-DIMETHYLTHIOPHENE |
| Flash point: | >110℃ |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| form | liquid (estimate) |
| Odor | savory roasted onion |
| JECFA Number | 2110 |
Safety information for 3,4-DIMETHYLTHIOPHENE
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H226:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 3,4-DIMETHYLTHIOPHENE
New Products
2,6-Piperidinedione, 3-hydroxy-1-[(4-methoxyphenyl)methyl]- 3-(4-bromo-3-methyl-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidine-2,6-dione 4-Hydroxy-6-methyl-1-(4-methylphenyl)-2-naphthalenecarboxylic acid 2,3-Difluoro-6-methoxybenzyl Chloride KT-474 2-(6-(benzyloxy)-3,4-dihydronaphthalen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 3-Oxocyclobutanecarboxylic acid 5-Bromo-2-iodo pyridine Benzofuran-6-carboxylic acid (BFA) 3-Bromo-2-Ethoxy-5-Nitropyridine 3,6-Dichloro-2-Methylpyridine 2-Amino-5-Bromo-3-IodopyridineRelated products of tetrahydrofuran
![6,6-DIMETHYL-3-(METHYLTHIO)-4-OXO-4,5,6,7-TETRAHYDROBENZO[C]THIOPHENE-1-CARBONITRILE](https://img.chemicalbook.in/CAS/GIF/175202-50-3.gif)
![1-ACETYL-6,6-DIMETHYL-3-(METHYLTHIO)-4,5,6,7-TETRAHYDROBENZO[C]THIOPHEN-4-ONE](https://img.chemicalbook.in/CAS/GIF/175202-49-0.gif)
![2-AMINO-4,5,6,7-TETRAHYDRO-BENZO[B]THIOPHENE-3-CARBOXYLIC ACID METHYL ESTER](https://img.chemicalbook.in/CAS/GIF/108354-78-5.gif)
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