Description

4-Amino-5-Hydroxy-3,6-Bis[[4-[(2-Hydroxy-4-Morpholinophenyl)Azo]Phenyl]Azo]Naphthalene-2,7-Disulphonic Acid, Potassium Sodium Salt is a high-purity, complex azo dye intermediate with significant chromophoric properties. This compound is valued for its ability to impart intense color and its role in synthesizing specialized dyes and pigments. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries for producing high-performance colorants.

Application

• Primary Intermediate for Reactive Dyes: Used in the synthesis of high-quality reactive dyes for cotton and other cellulosic fibers.
• Specialty Pigment Manufacturing: Serves as a key precursor for creating complex organic pigments with enhanced lightfastness and thermal stability.
• Functional Dyes for Non-Textile Uses: Applied in the production of dyes for inks, including inkjet and security printing applications.
• Research & Development: Utilized in chemical R&D for developing novel chromophores and studying azo dye chemistry.
• Analytical Chemistry: May be employed as a staining agent or a colorimetric indicator in specific analytical procedures.

Basic Information

Product Name	4-Amino-5-Hydroxy-3,6-Bis[[4-[(2-Hydroxy-4-Morpholinophenyl)Azo]Phenyl]Azo]Naphthalene-2,7-Disulphonic Acid, Potassium Sodium Salt
CAS No.	85223-36-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Reactive Black 5, Potassium Sodium Salt; Reactive Black 5; Remazol Black B; 4-Amino-5-hydroxy-3,6-bis((4-((2-hydroxy-4-morpholinophenyl)diazenyl)phenyl)diazenyl)naphthalene-2,7-disulfonic acid potassium sodium salt; 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3,6-bis[2-[4-[(2-hydroxy-4-morpholinophenyl)azo]phenyl]azo]-, potassium sodium salt
EINECS	Contact for details

Quality Control

Our 4-Amino-5-Hydroxy-3,6-Bis[[4-[(2-Hydroxy-4-Morpholinophenyl)Azo]Phenyl]Azo]Naphthalene-2,7-Disulphonic Acid, Potassium Sodium Salt is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with customer specifications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at 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 blue to black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Solubility (in Water)	Freely soluble
Heavy Metals (as Pb)	≤ 20 ppm

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