Description

5-Amino-2-[(2-Methoxyphenyl)Amino]Benzenesulphonic Acid is a key aromatic sulfonic acid derivative and an important organic intermediate. Its molecular structure makes it a versatile building block for the synthesis of more complex chemical entities, particularly in the production of dyes and pigments. This compound is essential for manufacturers and R&D laboratories in the chemical synthesis, specialty chemicals, and dyestuff industries seeking high-purity intermediates for their processes.

Application

• Primary Intermediate for Dye Synthesis: Serves as a crucial precursor in the manufacturing of azo dyes and other complex colorants, contributing to color fastness and specific hue properties.
• Pharmaceutical Intermediate: Used in the research and development of active pharmaceutical ingredients (APIs) and other fine chemicals requiring a sulfonated aniline backbone.
• Research & Development Chemical: Employed in academic and industrial laboratories for organic synthesis projects and the development of novel chemical compounds.
• Specialty Chemical Production: Acts as a building block for creating performance chemicals, including corrosion inhibitors or functional polymers.
• Analytical Reagent: May be utilized as a standard or reagent in specific analytical chemistry methodologies.

Basic Information

Product Name	5-Amino-2-[(2-Methoxyphenyl)Amino]Benzenesulphonic Acid
CAS No.	148-54-9
Molecular Formula	C13H14N2O4S
Molecular Weight	294.33 g/mol
Synonyms	5-Amino-2-[(2-methoxyphenyl)amino]benzenesulfonic acid; 2-Methoxy-2'-aminodiphenylamine-5'-sulfonic acid; o-Anisidine-2-sulfonic acid derivative; Fast Blue BB Base; Azoic Diazo Component 48; C.I. 37235; 2-Amino-4-[(2-methoxyphenyl)amino]benzenesulfonic acid; 5-Amino-2-(o-anisidino)benzenesulfonic acid
EINECS	205-716-4

Quality Control

Our 5-Amino-2-[(2-Methoxyphenyl)Amino]Benzenesulphonic 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 specific results for assay, impurities, and other critical parameters is provided with every shipment to guarantee it meets your technical 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). Keep away from strong oxidizing agents and incompatible materials. The product may be light-sensitive and hygroscopic; appropriate handling procedures should be followed to maintain stability.

Specification

Item	Specification
Appearance	Off-white to grayish powder or crystals
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)	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.