Description

4-(Phenylazo)Aniline, Disulpho Derivative, Sodium Salt is a water-soluble, anionic azo compound characterized by its disulfonated structure. This chemical is valued for its strong chromophoric properties and ability to act as a versatile intermediate in the synthesis of more complex dyes and pigments. It is primarily sought by manufacturers in the textile, leather, and specialty chemical industries for developing colorants and functional additives.

Application

• Textile Dyeing & Printing: Serves as a key intermediate for the production of acid dyes and direct dyes used on nylon, silk, wool, and paper.
• Leather Coloring: Used in the formulation of dyes for imparting color to leather goods.
• Ink Manufacturing: Acts as a colorant precursor in the production of inks for various printing applications.
• Functional Chemical Synthesis: Employed as a building block for synthesizing more complex azo compounds with specific optical or chemical properties.
• Research & Development: Utilized in laboratories for photochemical studies and the development of new chromogenic materials.

Basic Information

Product Name	4-(Phenylazo)Aniline, Disulpho Derivative, Sodium Salt
CAS No.	61950-37-6
Molecular Formula	C18H14N4O6S2Na2 (or similar, based on isomer)
Molecular Weight	~500.4 g/mol (Contact for exact isomer details)
Synonyms	Acid Yellow 36 intermediate; C.I. 13065; 4-Aminoazobenzene-2,2'-disulfonic acid disodium salt; 4-(Phenylazo)benzenamine-2,2'-disulfonic acid disodium salt; 4-Aminoazobenzene-2,2'-disulphonic acid sodium salt; Azoic diazo component 42; Benzenamine, 4-(phenylazo)-, 2,2'-disulfonic acid, disodium salt
EINECS	Contact for details

Quality Control

Our 4-(Phenylazo)Aniline, Disulpho Derivative, Sodium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance. Certificates of Analysis (COA) detailing key parameters such as assay, impurity profile, and solubility 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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Water Content	Max. 5.0%
Solubility (in Water)	Freely soluble

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