Molekula
2,3-Benzofuran
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2,3-Benzofuran is a bicyclic aromatic compound containing a furan ring fused to a benzene ring, primarily used in organic synthesis, pharmaceutical intermediates, and as a building block for agrochemicals and specialty polymers. Its main documented industrial application is the manufacture of coumarone-indene resins, and it also serves as a heterocyclic building block in laboratory organic synthesis. It appears as a colorless to pale yellow liquid or solid with a faint aromatic odor. This chemical has a CAS number of 271-89-6, a molecular formula of C8H6O, and a molecular weight of 118.14 g/mol. Store it between 2 to 8°C in a cool, dry place, away from heat and open flames. The product carries a signal word of *Warning* due to potential health hazards, requiring careful handling. Molekula supplies 2,3-Benzofuran 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
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £38.90 per pack ex VAT · £46.68 inc. VAT
Need a different quantity or pack?
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
| Property | Value |
|---|---|
| Appearance | Clear colourless or yellowish liquid |
| Assay | ≥99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Flash Point | 50 °C |
| Transport Class | 3 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless, oily liquid |
| Odour | Aromatic odor |
| Boiling Point | 174 °C at 760 mmHg |
| Density | 1.09 (relative, water = 1) |
| Solubility (other solvents) | Soluble in ethanol |
| Vapour Pressure | 0.06 kPa at 25 °C |
| Refractive Index | 1.56897 |
| log P (octanol/water) | 2.67 |
Source: PubChem CID 9223 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 25856453 |
| CAS Number | 271-89-6 |
| IUPAC Name | 1-benzofuran |
| EC Number | 205-982-6 |
| Molecular Formula | C8H6O |
| Molecular Weight | 118.14 |
| Exact Mass | 118.0419 |
| SMILES | C1=CC=C2C(=C1)C=CO2 |
| InChIKey | IANQTJSKSUMEQM-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H6O/c1-2-4-8-7(3-1)5-6-9-8/h1-6H |
| PubChem CID | 9223 |
| UN Number | UN1993 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29329970 |
| Tariff Code | 2932990090 |
Safety & GHS
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Flammable
GHS02
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Serious Health Hazard
GHS08
Hazard statements
- H226 Flammable liquid and vapour
- H351 Suspected of causing cancer
- H373 May cause damage to organs through prolonged or repeated exposure
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P201 Obtain special instructions before use
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 1-Benzofuran
- 1-Oxidene
- 1-Oxindene
- Benzo[b]furan
- BENZOFURAN
- Benzofuran (IUPAC)
- Benzofurfuran
- Coumaron
- Coumarone
- Cumarone
Frequently asked questions
What is 2,3-Benzofuran primarily used for?
2,3-Benzofuran is commonly used as an intermediate in organic synthesis, pharmaceuticals, and agrochemicals, including the production of dyes and polymers.
What is the chemical formula and molecular weight of 2,3-Benzofuran?
The chemical formula is **C₈H₆O**, and the molecular weight is **118.14 g/mol**.
What safety classification does 2,3-Benzofuran have?
The product is labeled with the **signal word 'Warning'** under GHS classification.
How should 2,3-Benzofuran be stored?
Store at **2–8°C** in a cool, dry place, away from incompatible substances and sources of ignition.
Does Molekula supply 2,3-Benzofuran in bulk quantities?
Yes, we offer bulk quantities of 2,3-Benzofuran upon request—contact our sales team for pricing and availability.
What documentation comes with an order of 2,3-Benzofuran?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a packing slip with batch details.
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.