Description

4-Diazodiphenylamine Sulfate is a specialized diazonium salt compound, recognized for its role as a key intermediate in advanced organic synthesis. Its primary commercial value lies in its ability to participate in azo coupling and diazonium salt reactions, enabling the production of dyes, pigments, and functional materials. This product is essential for manufacturers and R&D laboratories in the fine chemical, pharmaceutical, and specialty dye industries seeking reliable, high-purity intermediates for complex synthesis pathways.

Application

• Dye and Pigment Manufacturing: A critical intermediate for synthesizing azo dyes and organic pigments, contributing to color strength and stability.
• Pharmaceutical Synthesis: Used in the preparation of active pharmaceutical ingredients (APIs) and other complex organic molecules requiring diazonium chemistry.
• Photographic Chemicals: Serves as a component in light-sensitive materials and photographic developers.
• Chemical Research & Development: A valuable reagent for academic and industrial research involving diazonium salt reactions and azo compound formation.
• Polymer Modification: Employed to introduce functional aryl groups into polymer chains, altering material properties.
• Analytical Chemistry: Can be used as a derivatization agent or standard in specific analytical methodologies.

Basic Information

Product Name	4-Diazodiphenylamine Sulfate
CAS No.	4477-28-5
Molecular Formula	C12H11N3O4S
Molecular Weight	293.30 g/mol
Synonyms	4-Diazo-N-phenylbenzenamine sulfate; Diphenylamine-4-diazonium sulfate; p-Diazodiphenylamine sulfate; Benzenamine, 4-diazo-N-phenyl-, sulfate (1:1); Diazodiphenylamine sulfate; N-Phenyl-p-phenylenediazonium sulfate
EINECS	Contact for details

Quality Control

Our 4-Diazodiphenylamine Sulfate is manufactured under stringent quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with key parameters such as assay, impurity profile, and physical characteristics to support your quality assurance protocols. Specifications can be tailored to meet specific project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed to minimize exposure to atmospheric moisture and light to maintain stability and shelf life.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Solubility	Soluble in water, methanol

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