Thieno[2,3-b]pyridine-2-carboxylic acid
[CAS# 59944-76-2]

Identification

• Name: Thieno[2,3-b]pyridine-2-carboxylic acid
• Molecular Formula: C₈H₅NO₂S
• Molecular Weight: 179.20
• CAS Registry Number: 59944-76-2
• EC Number: 640-841-6

Properties

• Solubility: Slightly soluble (3.8 g/L) (25 ºC), Calc.^*
• Density: 1.508±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 311-312 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2016 ACD/Labs)

^** Schneller, S. W.; Journal of Heterocyclic Chemistry 1976, V13(2), P273-5.

Safety Data

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.	2A	H319
Eye irritation	Eye Irrit.	2	H319