Description

2,2,4,4-Pentanetetracarboxylic Acid, 3-(4-Nitrophenyl)-, 1,2,4,4-Tetraethyl Ester is a specialized, high-purity organic ester derivative with a complex molecular architecture. This compound serves as a critical advanced intermediate for synthesizing sophisticated polymers, pharmaceuticals, and fine chemicals where precise functionalization is required. It is primarily sought by R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for developing novel materials and active ingredients.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Polymer Chemistry: Monomer or cross-linking agent for producing high-performance, functionalized polyesters and polyamides.
• Agrochemical Synthesis: Intermediate in the development of advanced herbicides, pesticides, and plant growth regulators.
• Liquid Crystal & OLED Materials: Precursor for creating specialized organic electronic materials and display components.
• Dye & Pigment Manufacturing: Used in the synthesis of nitroaromatic-based dyes and high-stability pigments.
• Academic & Industrial Research: Valuable reagent for methodological development and exploring new chemical reactions in organic synthesis.
• Coating & Resin Formulations: Imparts specific chemical resistance and physical properties in advanced coating systems.

Basic Information

Product Name	2,2,4,4-Pentanetetracarboxylic Acid, 3-(4-Nitrophenyl)-, 1,2,4,4-Tetraethyl Ester
CAS No.	126989-14-8
Molecular Formula	C23H29NO10
Molecular Weight	479.48 g/mol
Synonyms	3-(4-Nitrophenyl)-2,2,4,4-pentanetetracarboxylic acid 1,2,4,4-tetraethyl ester; Tetraethyl 3-(4-nitrophenyl)-2,2,4,4-pentanetetracarboxylate; 1,2,4,4-Tetraethyl 3-(4-nitrophenyl)-2,2,4,4-pentanetetracarboxylate; 2,2,4,4-Pentanetetracarboxylic acid, 3-(4-nitrophenyl)-, tetraethyl ester; PNTA Tetraethyl Ester; Contact for additional trade names and abbreviations.
EINECS	Contact for details

Quality Control

Our 2,2,4,4-Pentanetetracarboxylic Acid, 3-(4-Nitrophenyl)-, 1,2,4,4-Tetraethyl Ester is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and identity confirmation. Certificates of Analysis (COA) detailing purity, impurity profile, and physical characteristics 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, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound is light-sensitive; containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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