Description

3,5-Dinitrobenzenesulfonic Acid is a versatile aromatic sulfonic acid derivative, distinguished by its two nitro groups which confer strong electrophilic character. This compound is a critical intermediate in the synthesis of high-value specialty chemicals, offering a reactive handle for further functionalization. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and dyestuff sectors for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of herbicides, pesticides, and plant growth regulators.
• Dyestuff and Pigment Manufacturing: Serves as a precursor for azo dyes and other colorants requiring sulfonic acid functionality.
• Chemical Research & Development: Employed as a model substrate or reagent in organic synthesis and catalysis studies.
• Cross-linking Agent: Potential use in polymer chemistry for creating cross-linked networks.
• Analytical Chemistry: Can be used as a derivatization agent or a standard in chromatographic analysis.

Basic Information

Product Name	3,5-Dinitrobenzenesulfonic Acid
CAS No.	28084-45-9
Molecular Formula	C6H4N2O8S
Molecular Weight	264.17 g/mol
Synonyms	3,5-Dinitrobenzenesulfonic acid; Benzenesulfonic acid, 3,5-dinitro-; 3,5-Dinitrobenzene-1-sulfonic acid; DNBSA; 3,5-Dinitrophenylsulfonic acid
EINECS	Contact for details

Quality Control

Our 3,5-Dinitrobenzenesulfonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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