5-Ethynyl-2-Thiophenecarboxylic Acid
[CAS# 174672-58-3]

Identification

• Name: 5-Ethynyl-2-Thiophenecarboxylic Acid
• Synonyms: 2-THIOPHENECARBOXYLICACID, 5-ETHYNYL-; 5-Ethynyl-thiophene-2-carboxylic acid
• Molecular Formula: C₇H₄O₂S
• Molecular Weight: 152.17
• CAS Registry Number: 174672-58-3
• SMILES: C#CC1=CC=C(S1)C(=O)O
• InChI: 1S/C7H4O2S/c1-2-5-3-4-6(10-5)7(8)9/h1,3-4H,(H,8,9)
• InChIKey: CBDSPXPVZWMEOH-UHFFFAOYSA-N

Properties

• Density: 1.4±0.1g/cm³ (Cal.)
• Boiling point: 318.5±27.0°C at 760 mmHg (Cal.)
• Flash point: 146.4±23.7°C (Cal.)
• Refractive index: 1.623 (Cal.)