Description

5-Nitroisophthalic Acid is a high-purity aromatic dicarboxylic acid derivative, distinguished by the presence of a nitro functional group on the benzene ring. This compound serves as a critical advanced intermediate in the synthesis of complex organic molecules, valued for its ability to introduce both carboxylic acid and nitro functionalities in a single step. It is primarily utilized by pharmaceutical, agrochemical, and specialty polymer industries for research and manufacturing processes.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a nitro-substituted aromatic core.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents where its structural features contribute to biological activity.
• Polymer & Dye Manufacturing: Serves as a monomer or precursor for creating high-performance polymers, liquid crystals, and complex organic dyes and pigments.
• Organic Synthesis & Research: An essential reagent in academic and industrial R&D labs for constructing complex molecular architectures, including ligands and metal-organic frameworks (MOFs).
• Corrosion Inhibitor Precursor: Can be utilized in the development of specialized chemical additives for industrial applications.

Basic Information

Product Name	5-Nitroisophthalic Acid
CAS No.	618-88-2
Molecular Formula	C8H5NO6
Molecular Weight	211.13 g/mol
Synonyms	5-Nitrobenzene-1,3-dicarboxylic Acid; 3-Nitro-1,3-benzenedicarboxylic Acid; Isophthalic Acid, 5-nitro-; 5-Nitro-m-phthalic Acid; 5-Nitroisophthalic Acid; 5-Nitroisophthalicacid; 5-Nitrobenzene-m-dicarboxylic Acid
EINECS	210-571-4

Quality Control

Our 5-Nitroisophthalic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and impurity profiles. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing results from HPLC, IR, and other relevant analytical methods to guarantee batch-to-batch consistency and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases, strong oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	260 - 265 °C
Loss on Drying	≤0.5%
Residue on Ignition	≤0.1%
Heavy Metals (as Pb)	≤20 ppm

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