Description

Benzoic Acid, 3-Nitro-4-Phenoxy-5-Sulfo- is a high-purity, multi-functional aromatic acid derivative designed for advanced chemical synthesis. This compound is valued for its unique molecular structure, which incorporates nitro, phenoxy, and sulfonic acid groups, making it a versatile intermediate for creating complex molecules. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for developing active ingredients and performance materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds requiring a sulfonated aromatic core.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a precursor for azo dyes and other complex colorants, leveraging its nitro and sulfonic acid functionalities.
• Polymer Modification: Acts as a functional monomer or additive to introduce sulfonic acid groups into polymers, enhancing properties like hydrophilicity or ion-exchange capacity.
• Chemical Research & Development: A valuable reagent for academic and industrial research in organic synthesis and medicinal chemistry.
• Ligand and Chelating Agent Precursor: Used in the development of specialized ligands for catalysis or metal ion sequestration.

Basic Information

Product Name	Benzoic Acid, 3-Nitro-4-Phenoxy-5-Sulfo-
CAS No.	751422-00-1
Molecular Formula	C13H9NO7S
Molecular Weight	323.28 g/mol
Synonyms	3-Nitro-4-phenoxy-5-sulfobenzoic Acid; 5-Sulfo-3-nitro-4-phenoxybenzoic Acid; Benzoic acid, 5-sulfo-3-nitro-4-phenoxy-; 4-Phenoxy-3-nitro-5-sulfobenzoic Acid; 3-Nitro-4-phenoxybenzoic acid-5-sulfonic acid
EINECS	Contact for details

Quality Control

Every batch of Benzoic Acid, 3-Nitro-4-Phenoxy-5-Sulfo- is manufactured under a strict quality management system. Our products undergo rigorous analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request 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 area at a controlled room temperature (15-25°C). Due to its strong acid/organic solvent nature, keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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