Description

Disodium 4-[(2,4-Dihydroxyphenyl)Azo]-5-Hydroxynaphthalene-2,7-Disulphonate, Mono[(p-Nitrophenyl)Azo] Mono[(2-Hydroxy-3,5-Dinitrophenyl)Azo] Derivative is a complex, high-purity azo dye intermediate of significant industrial importance. This compound is valued for its ability to impart specific, vibrant color properties and functional characteristics in advanced material formulations. It is primarily sought by manufacturers in the specialty dyes and pigments sector, as well as for research and development in high-performance coatings and analytical chemistry.

Application

• Primary Intermediate for High-Performance Dyes & Pigments: Serves as a critical building block in the synthesis of complex, light-fast azo dyes for textiles, inks, and plastics.
• Specialty Colorant for Industrial Coatings: Used in formulating advanced coatings that require specific chromaticity and stability under harsh environmental conditions.
• Functional Additive in Polymer Systems: Imparts color and can influence material properties in specialized polymer and resin applications.
• Research & Analytical Chemistry: Employed as a standard or reagent in chemical research, particularly in studies involving azo compound synthesis and photochemistry.
• Niche Applications in Imaging Technologies: Potential use in specialized photographic or non-impact printing technologies due to its light-sensitive azo groups.

Basic Information

Product Name	Disodium 4-[(2,4-Dihydroxyphenyl)Azo]-5-Hydroxynaphthalene-2,7-Disulphonate, Mono[(p-Nitrophenyl)Azo] Mono[(2-Hydroxy-3,5-Dinitrophenyl)Azo] Derivative
CAS No.	84195-79-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	84195-79-9; C.I. Pigment Red 187; Disodium 4-[(2,4-dihydroxyphenyl)azo]-5-hydroxy-2,7-naphthalenedisulfonate coupled diazo derivative; Azo dye intermediate derived from 4-[(2,4-dihydroxyphenyl)azo]-5-hydroxynaphthalene-2,7-disulfonic acid; Mono(p-nitrophenyl)azo mono(2-hydroxy-3,5-dinitrophenyl)azo derivative of disodium 4-[(2,4-dihydroxyphenyl)azo]-5-hydroxynaphthalene-2,7-disulphonate
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management protocols. Every batch is analyzed to ensure consistent chemical identity, purity, and performance characteristics. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay (HPLC), impurity profile, and physical properties is provided with each shipment to guarantee traceability and compliance with your technical requirements.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals	≤ 20 ppm
Sulfated Ash	≤ 2.0%

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