Molekula
2,5-Dimethylthiophene
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2,5-Dimethylthiophene is an organic compound belonging to the thiophene class, primarily used as a building block in the synthesis of pharmaceuticals, agrochemicals, and specialty polymers. It serves as a key intermediate in organic synthesis due to its reactivity and structural versatility. This chemical has a CAS number of 638-02-8, with the molecular formula C6H8S and a molecular weight of 112.19 g/mol. It is typically stored at ambient conditions and carries a signal word of "Warning" for safety classification. Molekula supplies 2,5-Dimethylthiophene from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 24 °C |
| Transport Class | 3 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | -62.6 °C |
| Boiling Point | 135 °C at 760 mmHg |
| Vapour Pressure | 3 mmHg |
Source: PubChem CID 12514 (Human Metabolome Database (HMDB), Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 22634560 |
| CAS Number | 638-02-8 |
| IUPAC Name | 2,5-dimethylthiophene |
| EC Number | 211-313-9 |
| Molecular Formula | C6H8S |
| Molecular Weight | 112.19 |
| Exact Mass | 112.0347 |
| SMILES | CC1=CC=C(S1)C |
| InChIKey | GWQOOADXMVQEFT-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H8S/c1-5-3-4-6(2)7-5/h3-4H,1-2H3 |
| PubChem CID | 12514 |
| UN Number | UN1993 |
| REACH Code | Y110 |
| HTS Code | 29349990 |
| Tariff Code | 2934999090 |
Safety & GHS
-
Flammable
GHS02
Hazard statements
- H226 Flammable liquid and vapour
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Thiophene, 2,5-dimethyl-
- Thiophene,5-dimethyl-
Frequently asked questions
What is 2,5-Dimethylthiophene commonly used for?
2,5-Dimethylthiophene is primarily used as a building block in organic synthesis, particularly for producing specialty chemicals, pharmaceutical intermediates, and as a precursor in polymer science.
What is the chemical formula and molecular weight of 2,5-Dimethylthiophene?
The chemical formula is **C₆H₈S**, and the molecular weight is **112.19 g/mol**.
How should 2,5-Dimethylthiophene be stored?
Store at **ambient temperature** in a cool, dry, and well-ventilated area, away from sources of ignition.
What grades or purities of 2,5-Dimethylthiophene does Molekula supply?
Molekula supplies **high-purity (98%+)** 2,5-Dimethylthiophene suitable for research and industrial applications.
Can Molekula supply 2,5-Dimethylthiophene in bulk quantities?
Yes, Molekula can provide bulk quantities of 2,5-Dimethylthiophene—please contact us for specific pricing and availability.
What documentation comes with an order of 2,5-Dimethylthiophene?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.