Description

4-(4-Ethoxyphenylazo)-m-Phenylenediamine mixture of Mono and Dihydrochloride is a specialized azo dye intermediate and chemical building block. This compound is critical for synthesizing high-value, color-stable dyes and pigments used in demanding industrial applications. It is primarily required by manufacturers in the textile, ink, and specialty polymer industries seeking to develop or enhance colorant products with specific performance characteristics.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key precursor in the synthesis of complex azo colorants for textiles, leather, and plastics.
• Specialty Ink Formulations: Used in the production of high-performance inks for packaging, printing, and digital applications requiring specific color fastness.
• Polymer & Resin Coloring: Employed as a colorant intermediate for engineering plastics, synthetic fibers, and coatings where thermal stability is important.
• Research & Chemical Synthesis: Acts as a versatile building block in organic chemistry research and for developing novel chromophoric systems.
• Analytical Reagents: Can be utilized in the formulation of specific stains or indicators in laboratory settings.

Basic Information

Product Name	4-(4-Ethoxyphenylazo)-m-Phenylenediamine mixture of Mono and Dihydrochloride
CAS No.	74367-87-6
Molecular Formula	C14H17Cl2N4O (for dihydrochloride form) / C14H16ClN4O (for monohydrochloride form)
Molecular Weight	Contact for details
Synonyms	4-(4-Ethoxyphenylazo)-1,3-phenylenediamine dihydrochloride; 4-(4-Ethoxyphenylazo)-m-phenylenediamine hydrochloride; m-Phenylenediamine, 4-(4-ethoxyphenylazo)-, hydrochloride; C.I. Azoic Diazo Component; Azoic Diazo 32 (related base); Diazo Fast Orange GR Salt (related); 4-(4-Ethoxyphenylazo)benzene-1,3-diamine hydrochloride; 74367-87-6
EINECS	Contact for details

Quality Control

Our 4-(4-Ethoxyphenylazo)-m-Phenylenediamine hydrochloride mixture is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity, composition, and performance as a dye intermediate. Certificates of Analysis (COA) detailing assay, impurity profile, and physical specifications are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark colored powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0% (Total active component)
Loss on Drying	≤ 2.0 %
Heavy Metals	≤ 20 ppm
Solubility	Soluble in water, DMF, DMSO

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