Description

Metanilic Acid, 6-Anilino-n-[2-Nitro-4-(Phenylsulfamoyl)Phenyl]-, Sodium Salt is a specialized organic sodium salt with a complex aromatic structure, primarily valued as a key synthetic intermediate. This compound matters for its role in producing high-value, functional dyes and pigments, particularly azo dyes, where it contributes to chromophore development and solubility properties. It is needed by manufacturers in the fine chemical, specialty dye, and advanced material research sectors seeking precise intermediates for colorant synthesis.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a critical diazo component or coupling agent in the synthesis of complex, high-performance azo dyes for textiles, inks, and plastics.
• Specialty Colorant Production: Used in manufacturing specialized dyes requiring specific sulfonamide and nitro group functionalities for enhanced color fastness and solubility.
• Research & Development Chemical: Employed in organic synthesis laboratories for developing novel chromophores and studying structure-property relationships in dye chemistry.
• Functional Material Synthesis: Potential intermediate in the creation of organic semiconductors, photoactive materials, or non-linear optical (NLO) materials due to its conjugated system.
• Analytical Reagent: May be used as a standard or reagent in analytical methods for dye identification and quantification.

Basic Information

Product Name	Metanilic Acid, 6-Anilino-n-[2-Nitro-4-(Phenylsulfamoyl)Phenyl]-, Sodium Salt
CAS No.	31361-99-6
Molecular Formula	C24H19N4O6S2Na
Molecular Weight	546.55 g/mol
Synonyms	6-Anilino-N-[2-nitro-4-(phenylsulfamoyl)phenyl]-3-metamilic acid sodium salt; Sodium 6-anilino-3-[2-nitro-4-(phenylsulfamoyl)phenylamino]benzenesulfonate; Acid Metanilic, 6-Anilino-n-[2-Nitro-4-(Phenylsulfamoyl)Phenyl]-, Sel De Sodium [French]; Metanilsäure, 6-Anilino-n-[2-nitro-4-(phenylsulfamoyl)phenyl]-, Natriumsalz [German]; Sodium 3-amino-4-hydroxybenzenesulfonate derivative (of the specified structure); Azo dye intermediate CAS 31361-99-6; Benzenesulfonic acid, 3-amino-4-hydroxy-, derivative sodium salt
EINECS	Contact for details

Quality Control

Our production of Metanilic Acid, 6-Anilino-n-[2-Nitro-4-(Phenylsulfamoyl)Phenyl]-, Sodium Salt adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency meet exacting specifications. Certificates of Analysis (COA) detailing key parameters are provided to guarantee traceability and support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which can affect product stability and handling properties.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder or crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	10.0% - 15.0%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%

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