- Tianqiao District, Jinan City, Shandong Province, China
- export01@jinbangch.com
- Mon to Sun: 8:00am – 6:00pm
Quinolinic acid (MF: C₇H₅NO₄, MW: 167.12) is a dicarboxylic acid containing a pyridine ring. At room temperature, it is a white to pale yellow crystalline powder. Its molecule contains both a pyridine ring and two carboxyl (-COOH) functional groups, exhibiting the chemical properties of both aromatic compounds and carboxylic acids. It serves as an important organic synthesis intermediate, as well as a natural product of tryptophan metabolism in living organisms and an endogenous agonist of NMDA receptors.
| Item | Specification |
| Melting point | 188–190 °C (dec.) (lit.) |
| Boiling point | 295.67 °C |
| Density | 1.5216 g/cm³ |
| Refractive index | 1.6280 (estimate) |
| Flash point | 210.9 ± 24.6 °C |
| Solubility | 10 g/L |
| Acid dissociation constant (pKa) | 2.43 (at 25°C) |
| Water solubility | Sparingly soluble in water (approx. 1 g/100 mL, 25°C); solubility increases with rising temperature. |
| Solubility in organic solvents | Soluble in polar organic solvents such as ethanol and acetone; insoluble in nonpolar solvents such as benzene and diethyl ether. |
Jinan Jinbang Chemical Co., Ltd., strategically located within the New Materials Industrial Park in Tianqiao District, Jinan City, Shandong Province, stands as a prominent chemical innovator since its establishment in 2015. Operating from a modern, expansive 37,500 m² manufacturing facility, we are dedicated to the research & development, production, and global distribution of high-performance chemical solutions.
We are always committed to delivering optimal chemical solutions for all application scenarios.
