2 5-Thiophenedicarboxylic Acid CAS 4282-31-9

1. 2 5-Thiophenedicarboxylic acid CAS 4282-31-9 is widely used as an important organic intermediate for the synthesis of pharmaceutical compounds, providing a stable thiophene ring structure for drug molecular design and modification.
2. 2 5-Thiophenedicarboxylic acid serves as a key monomer for the preparation of functional polymers, polyesters, polyamides and metal–organic framework (MOF) materials.
3. 2 5-Thiophenedicarboxylic acid CAS 4282-31-9 is applied in the synthesis of dyes, pigments and optoelectronic materials, improving the thermal stability and spectral performance of final products.

1. Store in a cool, dry and well‑ventilated area away from direct sunlight, heat sources and strong oxidizing agents.
2. Keep 2 5-Thiophenedicarboxylic acid CAS 4282-31-9 the container tightly closed to prevent moisture absorption, caking and contamination during storage and transportation.
3. Wear protective gloves, goggles and lab coat during handling to avoid direct skin and eye contact.

1. May cause irritation to skin, eyes and respiratory tract; avoid inhaling dust or aerosols.
2. Do not ingest; avoid 2 5-Thiophenedicarboxylic acid CAS 4282-31-9 prolonged or repeated skin contact with this substance.
3. In case of eye contact, rinse immediately with plenty of water for at least 15 minutes and seek medical attention if irritation continues.

1. 2 5-Thiophenedicarboxylic acid CAS 4282-31-9 has high chemical stability and good thermal resistance, making it suitable for high‑temperature polymerization and synthesis reactions.
2. 2 5-Thiophenedicarboxylic acid CAS 4282-31-9 exhibits excellent coordination ability with metal ions, enabling the construction of ordered porous materials with high specific surface area.
3. 2 5-Thiophenedicarboxylic acid is readily soluble in polar organic solvents, supporting good compatibility with common reaction systems and improving synthesis efficiency.