Description

2-[(2-Methoxyphenyl)Amino]-5-Nitrobenzenesulphonic Acid is a specialized organic intermediate with a distinct molecular structure. This compound is valued for its role as a key building block in the synthesis of complex dyes and pigments, where it contributes to color properties and lightfastness. It is primarily sought by manufacturers in the chemical synthesis, dye, and advanced materials industries for research and production applications.

Application

• Dye and Pigment Intermediate: A crucial precursor in the manufacturing of azo dyes and other complex colorants, particularly for textiles and inks.
• Chemical Synthesis: Serves as a versatile building block for synthesizing more complex organic molecules in pharmaceutical and agrochemical research.
• Research & Development: Used in academic and industrial laboratories for studying sulfonic acid derivatives and their reactivity.
• Functional Material Production: Potential application in the development of specialty polymers or materials requiring specific sulfonated aromatic structures.

Basic Information

Product Name	2-[(2-Methoxyphenyl)Amino]-5-Nitrobenzenesulphonic Acid
CAS No.	91-27-0
Molecular Formula	C13H12N2O6S
Molecular Weight	324.31 g/mol
Synonyms	5-Nitro-2-[(2-methoxyphenyl)amino]benzenesulfonic acid; 2-Anisidino-5-nitrobenzenesulfonic acid; C.I. 37130; 2-Methoxy-4-nitro-2'-sulfodiphenylamine; Fast Red ITR Base; 2-Amino-5-nitrobenzenesulfonic acid, N-(2-methoxyphenyl)-; 2-[(2-Methoxyphenyl)amino]-5-nitrobenzenesulfonic acid
EINECS	202-053-5

Quality Control

Our 2-[(2-Methoxyphenyl)Amino]-5-Nitrobenzenesulphonic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance protocols.

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 brownish powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 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.