Isophthalic Acid (Benzene-1,3-dicarboxylic acid / PIA)
C8H6O4
121-91-5
204-506-4
| # | Parameter | Standard |
|---|---|---|
| 1 | Appearance | White crystalline solid |
| 2 | Odor | Odorless |
| 3 | Solubility | Very slightly soluble in water |
| 4 | Melting Point | 348°C (in sealed tube) |
| 5 | Density | ~1.526 g/cm³ |
| 6 | Purity | ≥ 99.5% (PIA grade) |
In resin production and composite manufacturing, Isophthalic Acid directly affects how the final material performs under stress. It is often chosen when standard formulations do not meet durability expectations. Isophthalic Acid is used in coatings, fiberglass systems, and reinforced plastics where long-term resistance and structural stability are needed. Its importance has grown with the expansion of the construction and marine industries in Brazil. In these sectors, materials must withstand humidity, temperature changes, and chemical exposure over time.
Isophthalic Acid is a dicarboxylic acid. This structure gives it a backbone that resists heat and chemical damage. In practice, this means the final material lasts longer in harsh environments. In industrial use, it is often called Purified Isophthalic Acid or PIA, especially in resin systems. Isophthalic Acid helps with higher resistance to corrosion, better thermal stability during processing, and improved dimensional stability in products. Even a moderate amount of Isophthalic Acid can greatly change how a material behaves over time.
Isophthalic Acid is mainly used in polyester resins. It improves performance compared to orthophthalic systems. This is important in applications exposed to moisture, chemicals, or mechanical stress. In Brazil, Isophthalic Acid for resins is widely used in fiberglass-reinforced plastics for tanks and pipes, marine components exposed to saltwater, coatings that need chemical resistance, and construction materials designed for long service life. By influencing how polymer chains connect, Isophthalic Acid helps improve durability and reduce maintenance needs.
The demand for Isophthalic Acid is closely tied to sectors where performance is critical. Construction, infrastructure, and composite manufacturing rely on materials that remain stable under demanding conditions. Choosing an Isophthalic Acid supplier in Brazil involves more than availability. Consistency in purity and particle characteristics affects resin behavior during processing. Working with an Isophthalic Acid distributor in Brazil requires attention to logistics, storage conditions, and delivery schedules.
The Isophthalic Acid price in Brazil reflects petrochemical market dynamics. Transportation and storage requirements also influence the cost. Companies planning to buy Isophthalic Acid in Brazil often prioritize long-term procurement strategies. This approach reduces variability in pricing and supply. Sourcing Isophthalic Acid in bulk provides advantages, including reduced handling costs and improved supply continuity.
Isophthalic Acid should be stored in cool, dry conditions in sealed packaging away from moisture and strong oxidizing agents. Adequate ventilation in storage areas reduces dust accumulation. Personnel should use appropriate PPE including dust masks, gloves, and eye protection when handling the powder. The SDS must be consulted prior to use. Proper storage and handling conditions preserve product quality and ensure consistent resin processing results.
Isophthalic Acid plays a role in improving the durability, chemical resistance, and structural performance of modern resin systems. Its contribution defines how materials behave under real-world conditions in demanding environments typical of Brazilian industries. Foscote Group is an Isophthalic Acid supplier in Brazil, providing consistent quality and dependable supply for industrial clients.
It is primarily used in the production of unsaturated polyester resins, where higher chemical resistance and durability are required. In practice, it is chosen when standard resin systems are not sufficient.
Because it improves resistance to moisture, chemicals, and temperature. This becomes important in applications like tanks, pipes, and marine components exposed to aggressive environments.
It enhances structural stability and reduces the risk of degradation over time. Even small formulation adjustments can significantly extend the service life of the final product.
Consistency of quality, reliable logistics, and proper storage conditions are key. Variations in raw material can impact resin processing and final performance.
Yes. Many industrial buyers prefer bulk supply to ensure uninterrupted production and better cost control over time.
Get in touch
with us!
We source products from reliable manufacturers across the globe and are always looking forward to connecting with new suppliers and customers.
