Thieno[3,2-b]thiophene-2-carboxaldehyde
[CAS# 31486-86-9]

Identification

• Name: Thieno[3,2-b]thiophene-2-carboxaldehyde
• Synonyms: 2-Formylthieno[3,2-b]thiophene; 2-Thieno[3,2-b]thiophenecarboxaldehyde
• Molecular Formula: C₇H₄OS₂
• Molecular Weight: 168.24
• CAS Registry Number: 31486-86-9
• EC Number: 805-565-4

Properties

• Solubility: Slightly soluble (1.2 g/L) (25 °C), Calc.^*
• Density: 1.473±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 53-54 °C^**

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

^** Hartman, George D.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H312
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2A	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335