5-(2-Phenyleth-1-ynyl)nicotinic acid

5-(苯基乙炔基)烟酸

Also known as: 5-(2-phenylethynyl)pyridine-3-carboxylic acid, 5-(phenylethynyl)nicotinic acid, 5-(phenyleth-1-ynyl)nicotinic acid, 5-(2-phenyl-1-ynyl)nicotinic acid, 5-phenylethynyl-pyridine-3-carboxylic acid, 3-pyridinecarboxylic acid, 5-(2-phenylethynyl)-, buttpark 46\04-54, timtec-bb sbb005432

5-(2-Phenyleth-1-ynyl)nicotinic acid (CAS 175203-69-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H9NO2 and a molecular weight of 223.22700 g/mol. It is also known as 5-(2-phenylethynyl)pyridine-3-carboxylic acid, 5-(phenylethynyl)nicotinic acid and 5-(phenyleth-1-ynyl)nicotinic acid. Key properties include a melting point of 245ºC, a boiling point of 454.1ºC at 760mmHg, a density of 1.31g/cm3 and a flash point of 228.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

175203-69-7

Jingsj CID

J-1494997-3

Molecular Formula

C₁₄H₉NO₂

Chinese Name

5-(苯基乙炔基)烟酸

Molecular Weight

223.22700 g/mol

Category

Organic Acids

Last updated

8/21/2026