Description

4-Diazo-3-Methoxydiphenylamine Sulfate is a specialized diazonium salt compound, a key intermediate in advanced organic synthesis. Its primary value lies in its ability to act as a versatile coupling agent and photoactive component, enabling precise chemical transformations. This product is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty dye and pigment industries, where it is used to create complex molecular architectures.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring specific aryl-aryl coupling.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators that incorporate diphenylamine structures.
• Dye and Pigment Manufacturing: Serves as a key precursor for azo dyes and pigments, contributing to color strength and lightfastness properties.
• Photoresist and Imaging Chemicals: Utilized in the formulation of light-sensitive materials for electronics and printing plate applications due to its diazo functionality.
• Research & Development: Employed in academic and industrial R&D for exploring new synthetic pathways and creating novel organic compounds.
• Polymer Modification: Acts as a functionalizing agent to introduce specific aromatic amine groups into polymer chains.

Basic Information

Product Name	4-Diazo-3-Methoxydiphenylamine Sulfate
CAS No.	36305-05-2
Molecular Formula	C13H11N3O • H2SO4
Molecular Weight	Contact for details
Synonyms	4-Diazo-3-methoxy-N-phenylbenzenamine sulfate; 3-Methoxy-4-(phenylamino)benzenediazonium sulfate; Diazonium, [3-methoxy-4-(phenylamino)phenyl]-, sulfate (1:1); Fast Blue B Base Sulfate; Azoic Diazo Component 48 Sulfate; C.I. 37235; p-Diazo-m-methoxydiphenylamine sulfate
EINECS	Contact for details

Quality Control

Our 4-Diazo-3-Methoxydiphenylamine Sulfate is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR spectroscopy, to ensure it meets exacting standards for use in sensitive applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass until use.

Specification

Item	Specification
Appearance	Light yellow to brown crystalline powder
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

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