Description

Benzenesulfonic acid, 2-amino-5-nitro-, diazotized, coupled with diazotized 2-amino-4-nitrophenol and resorcinol, reaction products with N,N'-diphenylguanidine hydrochloride and (2-methylphenyl)guanidine hydrochloride is a complex, high-performance azo dye intermediate and pigment precursor. This compound matters for its ability to impart specific, durable color properties and functional characteristics in advanced material formulations. It is primarily needed by manufacturers in the pigments, dyes, specialty coatings, and advanced polymer industries seeking to develop products with enhanced color fastness and stability.

Application

• High-Performance Pigment Manufacturing: As a key intermediate for producing azo pigments with excellent tintorial strength and weather resistance.
• Industrial Dye Synthesis: For creating specialized dyes used in textiles, leather, and paper that require specific color shades and chemical stability.
• Specialty Coatings and Inks: Imparting color and functional properties to automotive, industrial, and packaging coatings and printing inks.
• Functional Polymer Additive: Potential use as a colorant or modifying agent in engineering plastics and advanced resin systems.
• Research & Development: Serving as a crucial building block in chemical R&D for novel chromophores and material science applications.

Basic Information

Item	Details
Product Name	Benzenesulfonic acid, 2-amino-5-nitro-, diazotized, coupled with diazotized 2-amino-4-nitrophenol and resorcinol, reaction products with N,N'-diphenylguanidine hydrochloride and (2-methylphenyl)guanidine hydrochloride
CAS No.	90218-26-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Pigment Red; Azo Pigment Intermediate; Reaction products of diazotized 2-amino-5-nitrobenzenesulfonic acid with diazotized 2-amino-4-nitrophenol and resorcinol, treated with N,N'-diphenylguanidine hydrochloride and o-tolylguanidine hydrochloride; Benzenesulfonic acid, 2-amino-5-nitro-, diazotized, coupled with diazotized 2-amino-4-nitrophenol and resorcinol, salts with N,N'-diphenylguanidine and (2-methylphenyl)guanidine; Complex Azo Dye Salt; Guanidine salt of an azo dye
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and performance reliability. Quality is verified through analytical methods including HPLC, spectrophotometry, and titration to confirm critical parameters such as color strength, purity, and chemical composition. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture, which can affect performance.

Specification

Item	Specification
Appearance	Colored Powder or Solid
Identification (IR)	Conforms to Standard
Assay (HPLC)	Min. 95% (or as per grade)
Color Strength	100% ± 5% (vs. Standard)
Moisture Content	Max. 2.0%
Ash Content	Max. 1.0%
Solubility	Characteristic (in specified solvents)

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