Description

2,4-Dinitrobenzenesulfonic Acid Hydrate is a versatile and reactive chemical intermediate characterized by its sulfonic acid and nitro functional groups. This compound is valued for its role as a key building block in the synthesis of more complex molecules, particularly dyes, pigments, and specialty chemicals. It is essential for manufacturers and R&D laboratories in the fine chemical, pharmaceutical, and agrochemical sectors seeking to introduce sulfonate and nitroaryl moieties into their products.

Application

• Dye and Pigment Intermediate: Serves as a critical precursor in the synthesis of sulfonated azo dyes and other colorants.
• Pharmaceutical Synthesis: Used as a building block for creating active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Production: Employed in the manufacture of herbicides and other crop protection agents.
• Chemical Research & Development: A valuable reagent for organic synthesis, particularly in electrophilic aromatic substitution and coupling reactions.
• Polymer Modification: Can be used to introduce sulfonic acid groups into polymers to alter solubility or ionic properties.
• Cross-linking Agent: Potential use in the preparation of cross-linked materials and resins.

Basic Information

Product Name	2,4-Dinitrobenzenesulfonic Acid Hydrate
CAS No.	698999-22-3
Molecular Formula	C6H4N2O7S · xH2O
Molecular Weight	248.17 (Anhydrous basis)
Synonyms	2,4-Dinitrobenzenesulfonic Acid; Benzenesulfonic acid, 2,4-dinitro-, hydrate; 2,4-Dinitrophenylsulfonic Acid; 2,4-Dinitrobenzenesulphonic Acid Hydrate; DNBSA Hydrate; 2,4-DNBSA; 2,4-Dinitrobenzene-1-sulfonic Acid
EINECS	Contact for details

Quality Control

Our 2,4-Dinitrobenzenesulfonic Acid Hydrate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specifications such as assay, water content, and impurity profile is provided with every shipment to guarantee it meets your specific application 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to brown crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Melting Point	Contact for details

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