Description

n-Hydroxy-4-Aminoazobenzene is an azo dye intermediate and analytical reagent of significant industrial importance. This compound matters for its role as a key precursor in the synthesis of specialized dyes, pigments, and colorants, offering precise chromophoric properties. Industries that require it include dye and pigment manufacturing, research laboratories for analytical chemistry, and potentially as a biochemical tool in life sciences.

Application

• Dye and Pigment Synthesis: Primary use as a crucial intermediate for manufacturing azo dyes, solvent dyes, and organic pigments.
• Analytical Chemistry Reagent: Employed in research and quality control laboratories as a reagent for specific colorimetric assays and chemical analyses.
• Textile Industry: Serves in the production chain of colorants used for dyeing synthetic and natural fibers.
• Ink Formulation: Used in the development of specialized inks for industrial printing and coatings.
• Research & Development: Utilized in academic and industrial R&D for studying azo compound chemistry, photochemistry, and as a model compound.
• Biochemical Staining: Potential application as a staining agent or probe in histological or cellular studies, subject to specific research protocols.

Basic Information

Product Name	n-Hydroxy-4-Aminoazobenzene
CAS No.	6530-27-4
Molecular Formula	C₁₂H₁₁N₃O
Molecular Weight	213.24 g/mol
Synonyms	4-(Phenylazo)phenol; 4-Hydroxyazobenzene; p-Hydroxyazobenzene; 4-Phenylazophenol; Azobenzene, 4-hydroxy-; Phenol, 4-(phenylazo)-; C.I. Solvent Yellow 7 (base); 1-Hydroxy-4-(phenylazo)benzene
EINECS	229-439-8

Quality Control

Our n-Hydroxy-4-Aminoazobenzene is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and reliability. We provide comprehensive specifications and Certificates of Analysis (COA) for every shipment, detailing purity, identity, and impurity profiles. Our quality commitment aligns with industrial and laboratory reagent standards to support your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	152 - 156 °C
Loss on Drying	≤ 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.