Description

Phosphoric Acid Tris(8-Quinolyl Ester) is a specialized organophosphorus compound that serves as a highly effective metal chelator and analytical reagent. Its primary commercial value lies in its ability to form stable, fluorescent complexes with specific metal ions, enabling precise detection and quantification. This product is essential for manufacturers and research laboratories in the chemical analysis, pharmaceutical, and material science sectors requiring advanced metal ion management and sensing capabilities.

Application

• Analytical Chemistry Reagent: Used as a selective fluorescent indicator and chelating agent for the spectrophotometric determination of trace metals like aluminum, gallium, and indium.
• Pharmaceutical Intermediates: Serves as a key building block in the synthesis of complex molecules, particularly those requiring metal-binding pharmacophores.
• Polymer Stabilizers & Additives: Functions as a metal deactivator and antioxidant in polymer formulations to prevent catalytic degradation.
• Catalyst Ligand: Employed in coordination chemistry and homogeneous catalysis to modify the activity and selectivity of metal catalysts.
• Research & Development: Utilized in academic and industrial R&D for studying metal-ligand interactions, sensor development, and novel material synthesis.
• Water Treatment Formulations: Acts as a sequestering agent for controlling scale and corrosion caused by metal ions in industrial water systems.

Basic Information

Product Name	Phosphoric Acid Tris(8-Quinolyl Ester)
CAS No.	52429-99-9
Molecular Formula	C27H21N3O4P
Molecular Weight	482.45 g/mol
Synonyms	Tris(8-quinolyl) phosphate; 8-Quinolinol phosphate (3:1); Phosphoric acid tris(quinolin-8-yl ester); Tris(8-hydroxyquinolinyl) phosphate; O,O',O''-Tris(8-quinolyl) phosphate; POQ; Metal indicator POQ; Aluminon reagent analog.
EINECS	Contact for details

Quality Control

Our Phosphoric Acid Tris(8-Quinolyl Ester) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets precise customer specifications and high-purity standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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 anhydrous conditions to prevent degradation.

Specification

Item	Specification
Appearance	Light yellow to beige crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	178 - 182 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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