2,5-Dimethylfuran
2,5-Dimethylfuran (CAS: 625-86-5), with a molecular weight of 96.13 g/mol, is a heterocyclic organic compound. It is utilised in chemical synthesis as a versatile building block. Its characteristic furan ring structure makes it valuable for reactions and as a precursor in various chemical transformations, particularly within organic chemistry research and development.
- Synonyms
- C6H8O2,5-Dimethylfuran

Carbonyl Derivatization
2,5-Dimethylfuran has been employed in analytical chemistry for the derivatization of carbonyl-containing compounds. It reacts to form oximes, facilitating their analysis.
Chemical Synthesis Intermediate
As a furan derivative, this compound serves as a valuable intermediate in organic synthesis. Its structure allows for diverse chemical modifications and incorporation into larger molecules.
Heterocyclic Chemistry
This compound is a key heterocyclic building block, offering a functionalized furan core for advanced chemical research and the development of novel materials and compounds.
| Molecular weight | 96.13 |
|---|---|
| Empirical formula | C6H8O |
| Assay | ≥97.0% (GC) |
| Boiling point | 92-94 °C(lit.) |
| Density | 0.905 g/mL at 20 °C0.903 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.441(lit.)n20/D 1.443 |
| Vapour density | 3.31 (vs air) |
| Melting point | −62 °C(lit.) |
| Application | 2,5-Dimethylfuran was used to analyze samples for the derivatization of carbonyl-containing compounds to their oximes1. |


Hazard statements
- H225Highly flammable liquid and vapour
- H302Harmful if swallowed
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 7 °C / 44.6 °F |
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-22 |
| Safety statements (S) | 16 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,5-Dimethylfuran used for?
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2,5-Dimethylfuran is used in chemical synthesis as a building block and for the derivatization of carbonyl compounds into oximes for analytical purposes.
What are the CAS number and formula for 2,5-Dimethylfuran?
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The CAS number for 2,5-Dimethylfuran is 625-86-5, and its empirical formula (Hill notation) is C6H8O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,5-Dimethylfuran with an assay of ≥97.0% (GC). We do not represent this product as USP, BP, or EP grade.
How should 2,5-Dimethylfuran be handled safely?
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2,5-Dimethylfuran is a flammable liquid and harmful if swallowed. It requires careful handling with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, in a well-ventilated area, away from ignition sources. Refer to the Safety Data Sheet for comprehensive guidance.
Is 2,5-Dimethylfuran a controlled substance?
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The provided data does not indicate that 2,5-Dimethylfuran is a controlled substance.
How is 2,5-Dimethylfuran packed, shipped, and exported?
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2,5-Dimethylfuran is classified under UN 1993 BF 3 / PGII for transport. Tech Serve Solutions ensures compliant packaging and handles international export procedures for this chemical.
How can I request a sample or quote for 2,5-Dimethylfuran?
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To request a sample or a quote for 2,5-Dimethylfuran, please contact our sales department through the website or via the provided contact details.
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