Description

Benzenediazonium, 4-(Phenylamino)-, Phosphate (1:1), Polymer With Formaldehyde is a specialized polymeric diazonium salt, a key intermediate in advanced organic synthesis and materials science. This compound matters for its ability to act as a stable source of reactive diazonium groups, enabling controlled surface functionalization and cross-linking reactions. It is primarily needed by manufacturers in the dye and pigment industry, as well as by researchers developing specialty polymers, photoresists, and surface modification agents for electronics and biomedical applications.

Application

• Dye and Pigment Manufacturing: As a critical coupling agent for the synthesis of azo dyes and high-performance organic pigments.
• Polymer Modification: For the cross-linking and functionalization of polymer chains to introduce specific chemical properties or improve material stability.
• Surface Engineering: In the preparation of self-assembled monolayers (SAMs) and for grafting functional groups onto metals, polymers, and carbon-based materials.
• Photoresist Formulation: As a photoactive component in specialty photoresists used in microelectronics and printed circuit board (PCB) fabrication.
• Bioconjugation Chemistry: For the covalent attachment of biomolecules (e.g., proteins, DNA) to surfaces in diagnostic assay and biosensor development.
• Analytical Chemistry: Used as a derivatization agent in chromatography and spectrometry for the detection of specific analytes.

Basic Information

Product Name	Benzenediazonium, 4-(Phenylamino)-, Phosphate (1:1), Polymer With Formaldehyde
CAS No.	71550-45-3
Molecular Formula	(C12H11N3O4P)n • (CH2O)n
Molecular Weight	Contact for details (Polymeric compound)
Synonyms	4-(Phenylamino)benzenediazonium phosphate-formaldehyde polymer; Poly[4-(phenylamino)benzenediazonium phosphate-co-formaldehyde]; Diazonium salt polymer; Fast Red ITR base polymer; Azoic Coupling Component 11 polymer; Aniline, 4-(phenylamino)-, diazotized, phosphate, polymer with formaldehyde; p-(Phenylamino)benzenediazonium phosphate formaldehyde resin
EINECS	Contact for details

Quality Control

Our Benzenediazonium, 4-(Phenylamino)-, Phosphate (1:1), Polymer With Formaldehyde undergoes rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards. Each lot is characterized for key parameters including active diazonium content, degree of polymerization, and impurity profile. Certificates of Analysis (COA) detailing these specifications are available upon request. Our quality management system supports production to meet the stringent requirements of research and industrial applications.

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 tightly sealed after opening to prevent degradation by atmospheric moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to orange powder or solid
Identification (IR)	Conforms to structure
Active Diazonium Content	Contact for details
Solubility	Soluble in polar aprotic solvents (e.g., DMF, DMSO)
Loss on Drying	≤ 5.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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