Description

4-(4-Nitrophenylazo)-Catechol is an azo dye intermediate characterized by its distinct molecular structure, which is critical for imparting specific color and functional properties. This compound matters for its role as a versatile precursor in the synthesis of high-performance pigments and dyes, offering excellent lightfastness and thermal stability. Industries that require precise colorants, such as advanced materials research, specialty inks, and analytical chemistry, rely on this high-purity intermediate for consistent and reliable results.

Application

• Primary intermediate for the synthesis of high-performance azo pigments and dyes.
• Key component in the development of specialty inks and coatings for industrial applications.
• Used as a chromogenic reagent or indicator in analytical chemistry and research laboratories.
• Potential use in the manufacturing of functional materials for electronics and sensors.
• Employed in academic and industrial R&D for novel organic synthesis and material science projects.

Basic Information

Product Name	4-(4-Nitrophenylazo)-Catechol
CAS No.	25657-05-0
Molecular Formula	C12H9N3O4
Molecular Weight	259.22 g/mol
Synonyms	4-(4-Nitrophenylazo)pyrocatechol; 1,2-Dihydroxy-4-[(4-nitrophenyl)azo]benzene; 4-[(4-Nitrophenyl)azo]benzene-1,2-diol; C.I. 37155; 4-Nitrophenylazopyrocatechol; 4-(p-Nitrophenylazo)catechol; p-Nitrophenylazopyrocatechol
EINECS	Contact for details

Quality Control

Our 4-(4-Nitrophenylazo)-Catechol is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including HPLC for assay and impurity profiling, to meet exacting customer specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and physical parameters is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). The product is light-sensitive and should be handled and stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Orange to brown powder or crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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