Description

1,10-Phenanthroline-5-Carboxylic Acid is a functionalized derivative of the classic 1,10-phenanthroline chelating ligand, distinguished by the presence of a carboxylic acid group at the 5-position. This modification is critical, as it introduces a versatile handle for covalent attachment, enabling the creation of sophisticated molecular probes and materials. It is an essential building block for researchers and manufacturers in the fields of analytical chemistry, materials science, and pharmaceutical development, where precise metal coordination and surface functionalization are required.

Application

• Chemical Synthesis: Serves as a key precursor for synthesizing advanced chelating agents, metal-organic frameworks (MOFs), and supramolecular complexes.
• Analytical Reagents: Used to develop highly selective colorimetric and fluorometric sensors for the detection of transition metal ions (e.g., Fe²⁺, Cu⁺) in environmental and biological samples.
• Pharmaceutical Intermediates: Employed in the research and development of novel therapeutic agents, particularly those involving metal-based drugs or diagnostic imaging probes.
• Catalysis: Functions as a ligand to modify and tune the activity and selectivity of homogeneous catalysts for organic transformations.
• Surface Modification: The carboxylic acid group allows for covalent grafting onto nanoparticles, electrodes, and other surfaces to create functional interfaces for sensing or catalysis.
• Polymer Science: Incorporated into polymer chains to impart metal-binding properties, useful for creating smart materials or for metal ion sequestration.

Basic Information

Product Name	1,10-Phenanthroline-5-Carboxylic Acid
CAS No.	630067-06-0
Molecular Formula	C₁₄H₈N₂O₂
Molecular Weight	236.23 g/mol
Synonyms	5-Carboxy-1,10-phenanthroline; 1,10-Phenanthroline-5-carboxylic acid; 5-(1,10-Phenanthrolin-5-yl)carboxylic acid; Phen-5-COOH; 5-Carboxyphenanthroline; 4,5-Diazafluorene-9-carboxylic acid (related structure); Hphen-COOH
EINECS	Contact for details

Quality Control

Our 1,10-Phenanthroline-5-Carboxylic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your research and quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). The compound is light-sensitive (store away from light); prolonged exposure to light should be avoided to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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