Description

5-Amino-Naphthalene-1-Carboxylic Acid is a high-purity, functionalized naphthalene derivative serving as a critical building block in advanced organic synthesis. Its bifunctional nature, featuring both an amino and a carboxylic acid group, makes it a versatile intermediate for constructing complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty dye industries seeking to develop novel active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of non-steroidal anti-inflammatory drugs (NSAIDs) and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a core structure for producing high-value azo dyes and optical brighteners.
• Liquid Crystal & OLED Materials: Functional intermediate for creating charge-transport materials and emissive layers in display technologies.
• Polymer Modification: Employed to introduce aromatic amine functionality into polymers for enhanced thermal and mechanical properties.
• Research & Development: Valuable scaffold in medicinal chemistry for drug discovery and the development of chemical probes.

Basic Information

Product Name	5-Amino-Naphthalene-1-Carboxylic Acid
CAS No.	32018-88-5
Molecular Formula	C11H9NO2
Molecular Weight	187.20 g/mol
Synonyms	5-Amino-1-naphthoic acid; 1-Carboxy-5-aminonaphthalene; 5-Aminonaphthalene-1-carboxylic acid; 1-Naphthoic acid, 5-amino-; 5-Amino-1-naphthalenecarboxylic acid; NSC 403107; 5-Amino-1-naphthalene carboxylic acid
EINECS	Contact for details

Quality Control

Every batch of 5-Amino-Naphthalene-1-Carboxylic Acid is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards, and our quality control protocols include comprehensive identity, purity, and impurity profile analysis. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming the product meets your specified requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed and under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	Light yellow to beige crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.