Description

Phosphonic Acid, p-[3-(3-Nitro-9H-Carbazol-9-Yl)Propyl]-, Diethyl Ester is a specialized organophosphorus compound that serves as a critical intermediate in advanced organic synthesis and materials science. Its unique molecular architecture, featuring both a carbazole and a phosphonic acid ester moiety, makes it a valuable building block for creating functional materials with tailored electronic and photophysical properties. This high-purity intermediate is primarily sought by R&D laboratories and manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for developing novel active ingredients and performance additives.

Application

• Pharmaceutical Intermediate: Used in the research and synthesis of novel drug candidates, particularly those targeting neurological pathways, due to the carbazole scaffold's biological activity.
• Agrochemical Synthesis: Serves as a key precursor for developing new-generation pesticides and herbicides with enhanced efficacy and environmental profiles.
• Organic Light-Emitting Diodes (OLEDs): Acts as a functional building block for electron-transport or host materials in OLED displays and lighting, leveraging the carbazole unit's hole-transport properties.
• Advanced Polymer Chemistry: Incorporated as a monomer or additive to impart flame retardancy, adhesion promotion, or specific optical properties to high-performance polymers and coatings.
• Coordination Chemistry & Catalysis: Utilized as a ligand precursor for metal-organic frameworks (MOFs) or homogeneous catalysts, where the phosphonate group can chelate to metal centers.
• Academic & Industrial Research: Employed in fundamental studies of charge transfer, photochemistry, and material science due to its complex, multifunctional structure.

Basic Information

Product Name	Phosphonic Acid, p-[3-(3-Nitro-9H-Carbazol-9-Yl)Propyl]-, Diethyl Ester
CAS No.	1240244-40-9
Molecular Formula	C23H25N2O5P
Molecular Weight	440.43 g/mol
Synonyms	Diethyl {4-[3-(3-Nitro-9H-carbazol-9-yl)propyl]phenyl}phosphonate; 4-[3-(3-Nitro-9H-carbazol-9-yl)propyl]phenylphosphonic Acid Diethyl Ester; 9-[3-(4-Diethoxyphosphorylphenyl)propyl]-3-nitro-9H-carbazole; p-[3-(3-Nitro-9H-Carbazol-9-Yl)Propyl]phenylphosphonic Acid Diethyl Ester; 3-Nitro-9-[3-(4-phosphonophenyl)propyl]carbazole Diethyl Ester; (4-(3-(3-Nitro-9H-carbazol-9-yl)propyl)phenyl)phosphonic Acid Diethyl Ester
EINECS	Contact for details

Quality Control

Our production of Phosphonic Acid, p-[3-(3-Nitro-9H-Carbazol-9-Yl)Propyl]-, Diethyl Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. Each lot undergoes comprehensive analytical characterization, including HPLC, NMR, and mass spectrometry. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). The compound is light-sensitive and should be handled under an inert atmosphere for prolonged procedures to minimize degradation.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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