Description

2-Amino-4-Methylaminobenzene Sulfonic Acid is a specialized aromatic sulfonic acid derivative that serves as a critical intermediate in advanced organic synthesis. Its unique bifunctional structure, containing both amino and sulfonic acid groups, makes it a valuable building block for creating complex molecules with tailored properties. This compound is essential for manufacturers in the pharmaceutical, agrochemical, and specialty dye industries seeking to develop new active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for dyes used in diagnostic imaging and targeted therapies.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators requiring specific solubility and activity profiles.
• Specialty Dye & Pigment Manufacturing: Serves as a crucial intermediate for creating azo dyes, reactive dyes, and pigments with enhanced color fastness and solubility for textiles and inks.
• Chemical Research & Development: Employed as a building block in organic and medicinal chemistry research for constructing novel heterocyclic compounds and functional materials.
• Polymer Modification: Used to introduce sulfonic acid groups into polymer chains, modifying properties like hydrophilicity, ion-exchange capacity, or dyeability for specialty plastics and fibers.
• Corrosion Inhibitor Formulation: A component in formulations for metal surface treatment and corrosion protection due to its chelating and surface-active properties.

Basic Information

Product Name	2-Amino-4-Methylaminobenzene Sulfonic Acid
CAS No.	123848-64-6
Molecular Formula	C7H10N2O3S
Molecular Weight	202.23 g/mol
Synonyms	4-Methylamino-2-aminobenzenesulfonic Acid; 2,4-Diaminobenzenesulfonic Acid, N4-Methyl Derivative; 1,3-Benzenediamine, 4-(Methylamino)-, 6-Sulfonic Acid; 4-(Methylamino)-1,3-benzenedisulfonic Acid (related); 2-Amino-4-(methylamino)benzenesulfonic Acid; m-Phenylenediamine Derivative Sulfonic Acid; Sulfanilic Acid, 4-Methylamino Derivative
EINECS	Contact for details

Quality Control

Our 2-Amino-4-Methylaminobenzene Sulfonic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for industrial and research use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. Due to potential sensitivity, the container should be kept tightly sealed when not in use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light tan crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%
Solubility	Soluble in alkaline aqueous solutions

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