(2E,5E)-2,5-Bis(2-thienylmethylene)cyclopentanone
[CAS# 176957-55-4]

Identification

• Name: (2E,5E)-2,5-Bis(2-thienylmethylene)cyclopentanone
• Molecular Formula: C₁₅H₁₂OS₂
• Molecular Weight: 272.39
• CAS Registry Number: 176957-55-4
• EC Number: 631-499-9

Properties

• Solubility: Insoluble (2.6E^-3 g/L) (25 ºC), Calc.^*
• Density: 1.363±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 222-223 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Liang, Guang; Bioorganic & Medicinal Chemistry 2009, V17(6), P2623-2631.

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S26

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319