Description

2-(Dimethylamino)Benzenesulfonic Acid is a specialized aromatic sulfonic acid derivative that serves as a key intermediate in advanced organic synthesis. Its unique structure, featuring both a sulfonic acid group and a tertiary amine, makes it valuable for introducing water-solubilizing and charge-modifying properties into target molecules. This compound is essential for manufacturers in the pharmaceutical and agrochemical sectors, where it is used to synthesize active ingredients, dyes, and functional materials requiring specific solubility and ionic characteristics.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring sulfonamide or water-soluble amine functionalities.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where its structural motifs contribute to biological activity and formulation stability.
• Dye and Pigment Manufacturing: Acts as an intermediate for azo dyes and other colorants, helping to adjust solubility and fastness properties.
• Polymer Modification: Employed to introduce sulfonic acid groups into polymers, enhancing properties like hydrophilicity, ion-exchange capacity, or dyeability.
• Research & Development: Serves as a versatile reagent in organic chemistry research for constructing complex molecules and studying reaction mechanisms.
• Corrosion Inhibitor Formulation: Its molecular structure can be utilized in developing specialty chemicals for metal surface treatment and protection.

Basic Information

Product Name	2-(Dimethylamino)Benzenesulfonic Acid
CAS No.	14503-46-9
Molecular Formula	C8H11NO3S
Molecular Weight	201.24 g/mol
Synonyms	N,N-Dimethyl-2-aminobenzenesulfonic Acid; 2-(Dimethylamino)benzenesulfonic acid; Benzenesulfonic acid, 2-(dimethylamino)-; o-(Dimethylamino)benzenesulfonic Acid; 2-Dimethylaminobenzenesulfonic Acid; N,N-Dimethylaniline-2-sulfonic Acid; 2-(N,N-Dimethylamino)benzenesulfonic Acid
EINECS	Contact for details

Quality Control

Our 2-(Dimethylamino)Benzenesulfonic Acid 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, impurity profile, and physical characteristics is provided with every shipment. We support compliance with global regulatory frameworks, including REACH, and can tailor quality protocols to meet specific customer or pharmacopeial requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and incompatible materials. The container must be kept tightly closed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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