Description

n-[4-[[4-[[4-[[1-Amino-8-Hydroxy-3,6-Disulpho-7-[(4-Sulphophenyl)Azo]-2-Naphthyl]Azo]Benzoyl]Amino]Phenyl]Azo]-3-Hydroxyphenyl]Glycine is a high-purity, synthetic azo dye intermediate of significant industrial importance. Its complex polyfunctional structure provides excellent chromophoric properties and binding affinity, making it a critical precursor for specialized colorants. This compound is essential for manufacturers in the textile, ink, and specialty chemical sectors seeking to produce high-performance dyes and pigments with specific fastness and hue characteristics.

Application

• Primary Intermediate for Reactive Dyes: Key building block in the synthesis of high-quality reactive dyes for cotton and cellulose fiber dyeing and printing.
• Specialty Pigment Manufacturing: Used in the production of complex organic pigments for inks, coatings, and plastics requiring specific color strength and stability.
• Functional Dye Synthesis: Serves as a precursor for dyes used in biological staining, analytical chemistry, and other high-tech applications.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying azo dye chemistry and properties.

Basic Information

Product Name	n-[4-[[4-[[4-[[1-Amino-8-Hydroxy-3,6-Disulpho-7-[(4-Sulphophenyl)Azo]-2-Naphthyl]Azo]Benzoyl]Amino]Phenyl]Azo]-3-Hydroxyphenyl]Glycine
CAS No.	85721-14-8
Molecular Formula	C35H24N8O14S4
Molecular Weight	924.86 g/mol
Synonyms	Glycine, N-[4-[[4-[[4-[[1-amino-8-hydroxy-3,6-disulfo-7-[(4-sulfophenyl)azo]-2-naphthyl]azo]benzoyl]amino]phenyl]azo]-3-hydroxyphenyl]-; C.I. Reactive Black 5 Intermediate; Reactive Black 5 Precursor; Azo Dye Intermediate 85721-14-8; Polyazo Dye Intermediate; Tetrasulfonated Azo Dye Intermediate
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and purity. Every lot is subjected to comprehensive analytical testing, including HPLC for purity and identity confirmation. A detailed Certificate of Analysis (COA) documenting assay, impurity profile, and physical characteristics is provided with each shipment to support your quality assurance processes.

Storage

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

Specification

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

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