2,5-Thiophenedicarboxaldehyde falls within a group of substances characterized by consistent performance as versatile building blocks in organic synthesis. Its molecular formula is C6H4O2S, with a molecular weight of 140.16. This compound, structurally classified as a thiophene derivative, exhibits unique reactivity due to its aromatic ring system and carbonyl groups. As such, it carries a Warning signal word under the Globally Harmonized System, indicating potential hazards associated with skin irritation. Additionally, it may serve as a precursor in the synthesis of various complex organic compounds.

• CAS Number: 932-95-6
• Molecular Weight: 140.16
• Molecular Formula: C6H4O2S
• Exact Mass: 139.99320054
• GHS Signal Word: Warning
• Hazard Statements:
• H315: Causes skin irritation [Warning Skin corrosion/irritation]