Description

2,6-Dinitrotoluene-4-Sulfonic Acid is a key aromatic sulfonic acid derivative, primarily valued as a versatile chemical intermediate in advanced synthesis. Its structure makes it particularly significant for introducing both sulfonic acid and nitro functional groups into target molecules. This compound is essential for manufacturers in the dye, pigment, and specialty chemical industries seeking to produce complex, high-value products.

Application

• Dye and Pigment Intermediate: A crucial building block in the synthesis of azo dyes, acid dyes, and other complex colorants.
• Chemical Synthesis: Used as a sulfonating and nitrating agent in the production of specialty organic compounds and fine chemicals.
• Pharmaceutical Intermediates: Serves as a precursor in the multistep synthesis of certain active pharmaceutical ingredients (APIs).
• Corrosion Inhibitor Formulations: Incorporated into formulations for metal surface treatment and protection.
• Research & Development: Utilized in academic and industrial R&D labs for exploring new synthetic pathways and material science applications.
• Polymer Modification: Acts as a functional monomer or additive to impart specific properties like solubility or ionic character to polymers.

Basic Information

Product Name	2,6-Dinitrotoluene-4-Sulfonic Acid
CAS No.	88-90-4
Molecular Formula	C7H6N2O7S
Molecular Weight	262.20 g/mol
Synonyms	4-Sulfo-2,6-dinitrotoluene; 2,6-Dinitro-4-methylbenzenesulfonic Acid; 2,6-Dinitro-p-toluenesulfonic Acid; DNTS; Toluene-2,6-dinitro-4-sulfonic Acid; Benzenesulfonic acid, 2,6-dinitro-4-methyl-
EINECS	201-868-9

Quality Control

Every batch of our 2,6-Dinitrotoluene-4-Sulfonic Acid is produced and tested under a stringent quality management system to ensure consistent purity and performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment ensures the material meets the exacting standards required for industrial and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and reducing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption and degradation.

Specification

Item	Specification
Appearance	Yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
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.