Molekula
2,3-Benzofuran
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
2,3-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
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 — $73.80 per pack
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.
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.