Quinolinic acid-Shandong Huashang Chemical Co., Ltd.

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Quinolinic acid

Brand：HS

Model：25kg/drum

Purity：99%

Cas：89-00-9

Createtime： 2026-04-14
Updatetime： 2026-04-15

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Product Details

useage	Industrial use
deliveryInfo
appearance	powder
Molecular Weight	167.12
aliasen
supplyCapacity	50000MT/Month
harbor	Qingdao,China
minorder	1KG
Appearance	White to light yellow-beige crystalline powder

Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.

Basic Information

Product Name: Quinolinic acid

Alias: Pyridine-2,3-dicarboxylic acid; 2,3-Pyridinedicarboxylic acid; Quin; QA

CAS No.: 89-00-9

EINECS No.: 201-874-8

Molecular Formula: C?H?NO?

Molecular Weight: 167.12 g/mol

Classification: Dicarboxylic acid, organic intermediate, pharmaceutical raw material, biochemical reagent, agrochemical intermediate, analytical reagent

Physical & Chemical Properties

Appearance: White to light yellow-beige crystalline powder, odorless

Density: 1.52 g/cm3 (rough estimate)

Melting Point: 188-190℃ (dec., lit.)

Boiling Point: 295.7℃ (rough estimate); decomposes before boiling

Solubility: 0.55 g/100 mL in water at 20℃; slightly soluble in ethanol; insoluble in ether and benzene; soluble in alkali solutions

pKa: 2.43 (at 25℃)

Purity: ≥98.0% (HPLC); ≥99.0% (industrial and pharmaceutical grade)

Storage Condition: Sealed, room temperature cool and dry place, protect from light; keep container tightly closed; avoid high temperature and moisture

Main Uses

Pharmaceutical Field: Used as a key intermediate for the synthesis of niacin, nicotinamide and nikethamide; involved in the research of neurodegenerative diseases such as Huntington's disease and Alzheimer's disease; acts as an NMDA receptor agonist and neurotoxin, used in related pharmacological mechanism research
Agrochemical Field: Serves as a crucial intermediate in the synthesis of agrochemicals, especially herbicides such as imazapyr, contributing to weed management and improved agricultural productivity
Biochemical & Medical Research: Used as a biochemical reagent and analytical standard; applied in the development of sensitive detection methods for biological samples; used to study the kynurenine pathway of tryptophan metabolism and related neuropsychiatric disorders
Other Fields: Used as an analytical reagent for the determination of copper ions; serves as an organic intermediate for the synthesis of complex organic molecules; applied in fine chemical synthesis and related industrial production

Specification Table

Item	Specification	Unit	Remarks
Product Name	Quinolinic acid	—	Abbreviation: QA
CAS Number	89-00-9	—
Molecular Formula	C?H?NO?	—
Molecular Weight	167.12	g/mol
Appearance	White to light yellow-beige crystalline powder	—	Odorless, stable under normal conditions
Purity	≥98.0	%	HPLC; industrial & pharmaceutical grade ≥99.0%
Melting Point	188-190	℃	dec., lit. = literature value