Description

4-Diazodiphenylamine/Formaldehyde Condensate Hydrogen Sulfate is a specialized diazonium salt condensate primarily used as a photoactive compound in the production of light-sensitive materials. This compound matters for its critical role in generating high-resolution images and patterns in advanced photochemical processes. It is essential for manufacturers in the printing plate, photoresist, and specialty chemical synthesis industries who require precise and reliable photoinitiators.

Application

• As a key photoinitiator in the formulation of positive-working photoresists for the semiconductor and microelectronics industry.
• In the manufacturing of light-sensitive printing plates (e.g., offset, flexographic) for high-fidelity graphic arts and packaging.
• As a photosensitive component in photopolymer systems for holography and optical data storage.
• For the synthesis of dyes and pigments, where its diazonium group facilitates coupling reactions.
• In research and development of novel photochemical processes and advanced material science.
• As a chemical intermediate in organic synthesis for creating complex aromatic compounds.

Basic Information

Product Name	4-Diazodiphenylamine/Formaldehyde Condensate Hydrogen Sulfate
CAS No.	41432-19-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Diazodiphenylamine Formaldehyde Condensate Sulfate; Diphenylamine-4-diazonium salt, polymer with formaldehyde, sulfate; Photosensitive Diazo Resin; Diazonium Salt Condensate; D-90 (common trade name); p-Diazodiphenylamine Formaldehyde Condensate; Light Sensitive Diazo Compound; Printing Plate Photoinitiator
EINECS	Contact for details

Quality Control

Our 4-Diazodiphenylamine/Formaldehyde Condensate Hydrogen Sulfate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistent performance, including assessment of photoactivity and impurity profiles. Certificates of Analysis (COA) documenting purity, assay, and other critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	Yellow to light brown powder or solid
Identification (IR)	Conforms to structure
Assay (Diazonium Content)	Min. 95%
Solubility	Soluble in water, polar organic solvents
Loss on Drying	Max. 2.0%
Photosensitivity	Active in UV/Visible range

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