2,5-Furandicarboxylic acid with CAS 3238-40-2
What is 2,5-furandicarboxylic acid?
2,5-Furandicarboxylic acid (FDCA), also known as furan-2,5-dicarboxylic acid or dehydromucic acid, is an organic compound consisting of two carboxylic acid groups attached to a central furan ring. It was first reported in 1876 and later identified by the U.S. Department of Energy as one of the 12 highest-priority chemicals for building the green chemistry industry of the future.
FDCA is produced from renewable carbohydrate feedstocks — including fructose, glucose, and starch — via the platform chemical 5-hydroxymethylfurfural (HMF). This bio-based origin makes FDCA an environmentally responsible alternative to fossil-derived chemicals, carrying a significantly lower carbon footprint.
Its structural resemblance to terephthalic acid (TPA/PTA) makes FDCA a drop-in-compatible monomer for the production of polyesters, polyamides, and polyurethanes — enabling manufacturers to transition to sustainable polymer production without redesigning their processes from the ground up.
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Product Advantages
- Bio-Based & Renewable: Derived from plant-based sugars and carbohydrates. FDCA provides a carbon-negative footprint compared to petroleum-derived alternatives, helping manufacturers meet ESG and sustainability targets.
- Drop-in Replacement for TPA: Structurally analogous to terephthalic acid (PTA), FDCA integrates into existing polyester manufacturing infrastructure with minimal modification — reducing investment costs for upgrading to green chemistry.
- Superior Barrier Properties: PEF polymers made from FDCA deliver up to 9× lower oxygen permeability and 11× better CO₂ barrier compared to conventional PET — ideal for demanding food and beverage packaging applications.
- Chemically Versatile Monomer: FDCA reacts with a broad range of diols, diamines, and diisocyanates to yield polyesters, polyamides, and polyurethanes — making it one of the most versatile building blocks in bio-based polymer chemistry.
2,5-Furandicarboxylic acid Quick details
- Chemical Name:2,5-Furandicarboxylic acid
- CAS No.: 3238-40-2
- EINECS: 221-800-8
- Molecular Formula: C6H4O5
- Molecular weight: 156.09
- Appearance: white powder
- Assay: 99.8%min
- Synonyms:FDCA;Furane-alpha,alpha’-dicarboxylic acid;RARECHEM AL BO 0910;FURAN-2,5-DICARBOXYLIC ACID;DEHYDROMUCIC ACID;2,5-FURANDICARBOXYLIC ACID;Furan-2,5-dicarboxylic acid 97%;2,3-furandicarboxylic acid;2,5-FurandicarboxyL
2,5-Furandicarboxylic acid Typical Properties
| Item | Specifications | Results |
| Appearance | White powder | Conform |
| Assay | ≥99.8% | 99.9% |
| Whiteness | ≥99.5 | 99.65 |
| Water content | ≤0.5% | 0.02% |
| Conclusion | The results conforms with enterprise standards | |
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2,5-Furandicarboxylic acid Applications
- Polyamides & High-Performance Fibers: FDCA undergoes polycondensation with aromatic diamines to produce polyamides used in thermally resistant technical fabrics, fibers, and engineering plastic components demanding high mechanical and thermal performance.
- Polyurethanes & Thermosets: As a diacid monomer, FDCA is used in the production of polyurethanes, thermosets, and plasticizers — delivering improved mechanical strength and thermal stability to adhesives, coatings, foams, and engineering composites.
- Pharmaceutical Applications: FDCA and its derivatives exhibit notable pharmacological activity. Its diethyl ester demonstrates anaesthetic properties; dicalcium 2,5-furandicarboxylate shows antibacterial activity. FDCA itself is also used as a chelating agent for removing kidney stones in medicine.
- Metal-Organic Frameworks (MOFs): FDCA serves as a versatile linker in the synthesis of metal-organic frameworks (MOFs), which find applications in gas storage, separation, catalysis, and drug delivery research — an emerging and rapidly growing field.
- Fire Suppression Foams: Due to its chemical stability and polycarboxylic acid nature, FDCA is used as a component in fire suppression foam formulations, effective against fires caused by both polar and non-polar solvents.
- Sustainable Packaging & Plastics: With growing global demand for recyclable, bio-based packaging, FDCA-based polymers (PEF, PPF, PBF) are positioned as the leading alternatives to PET in water bottles, food containers, sports apparel, and e-commerce packaging.
2,5-Furandicarboxylic acid Package & Storage
Packaging Solutions
- Standard Package:25kg/drum with PE liner
- Custom Packaging: Tailored solutions for large volume orders
- Sample Sizes: 100g-5kg for R&D and testing purposes
Storage
- Temperature: Store at 15-25°C (59-77°F)
- Humidity: Maintain <60% relative humidity
- Environment: Dry, cool, well-ventilated storage area
- Protection: Keep away from direct sunlight and moisture
- Shelf Life: 24 months under proper storage conditions
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