Description

1,3-Naphthalenedisulfonic Acid, 7-[[4-[[4-[(5-Cyano-1-Ethyl-1,4,5,6-Tetrahydro-2-Hydroxy-4-Methyl-6-Oxo-3-Pyridinyl)Azo]Benzoyl]Amino]-5-(2-Hydroxyethoxy)-2- is a complex, high-purity organic intermediate featuring a naphthalene disulfonic acid backbone coupled with a specialized heterocyclic azo dye moiety. This compound matters for its role as a critical precursor in the synthesis of advanced colorants and functional dyes, offering precise molecular architecture for demanding applications. Industrial buyers in the specialty chemicals, high-performance pigments, and advanced materials sectors require this material for research and production where color fastness and specific spectral properties are paramount.

Application

• Key intermediate for the synthesis of high-value, complex azo dyes and pigments.
• Precursor in the development of functional dyes for specialized optical applications.
• Research chemical for exploring novel chromophores in material science and photonics.
• Potential use in the manufacturing of colorants for inks, coatings, and plastics requiring specific performance characteristics.
• Building block for biologically active compound research due to its intricate heterocyclic structure.
• Specialty intermediate in analytical chemistry as a potential reagent or standard.

Basic Information

Product Name	1,3-Naphthalenedisulfonic Acid, 7-[[4-[[4-[(5-Cyano-1-Ethyl-1,4,5,6-Tetrahydro-2-Hydroxy-4-Methyl-6-Oxo-3-Pyridinyl)Azo]Benzoyl]Amino]-5-(2-Hydroxyethoxy)-2-
CAS No.	884304-25-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	7-[[4-[[4-[(5-Cyano-1-ethyl-1,4,5,6-tetrahydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)azo]benzoyl]amino]-5-(2-hydroxyethoxy)-2-sulfophenyl]azo]-1,3-naphthalenedisulfonic acid; Azo dye intermediate based on 1,3-naphthalenedisulfonic acid; Complex naphthalene azo dye precursor; 1,3-NDSA derivative azo compound; Tetrahydro-6-oxo-3-pyridinyl azo naphthalenedisulfonate; Specialty heterocyclic azo intermediate; High-performance dye intermediate CAS 884304-25-0
EINECS	Contact for details

Quality Control

Our production of this specialty intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry to confirm identity and assess impurity profiles. A comprehensive Certificate of Analysis (COA) detailing purity, related substances, and other critical parameters is provided with every shipment to support your quality assurance and R&D processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect stability and handling properties. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Solid (Color to be specified per grade)
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Typical, higher grades available)
Loss on Drying	≤ 2.0%
Related Substances (HPLC)	Individual unspecified impurity ≤ 1.0%
Heavy Metals	≤ 20 ppm

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