2,5-Bis(ethynyl)thiophene
[CAS# 79109-72-1]

Identification

• Name: 2,5-Bis(ethynyl)thiophene
• Synonyms: 2,5-Diethynylthiophene
• Molecular Formula: C₈H₄S
• Molecular Weight: 132.18
• CAS Registry Number: 79109-72-1

Properties

• Solubility: Practically insoluble (0.013 g/L) (25 °C), Calc.^*
• Density: 1.14±0.1 g/cm³ (20 °C 760 Torr), Calc.^*
• Boiling point: 216.7±25.0 °C (760 Torr), Calc.^*
• Refractive index: 1.636 (20 °C)^**
• Flash point: 60.0±9.4 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

^** Okuhara, Kunio