Description

4-Hydroxy-7-[[[[5-Hydroxy-6-(Phenylazo)-7-Sulpho-2-Naphthyl]Amino]Carbonyl]Amino]-2-[(7-Sulpho-2-Naphthyl)Azo]Naphthalenesulphonic Acid is a high-purity, complex azo dye intermediate essential for producing vivid and stable colorants. This compound matters because it serves as a critical building block for synthesizing specialized dyes and pigments with excellent light and wash fastness properties. Industries such as textile manufacturing, ink production, and specialty coatings rely on this precise chemical to achieve consistent, high-performance coloration in their final products.

Application

• Primary Intermediate for Reactive Dyes: A key precursor in the synthesis of high-quality reactive dyes for cotton, wool, and nylon textiles.
• Specialty Pigment Manufacturing: Used in the production of complex organic pigments for automotive paints, industrial coatings, and plastics.
• Inkjet Ink Formulations: Employed in the creation of advanced colorants for high-resolution digital and textile printing inks.
• Laboratory & Research: Serves as a standard or experimental compound in chemical research focused on dye chemistry and chromophore development.
• Functional Dye Synthesis: A building block for dyes used in non-textile applications, such as sensors or optical materials.

Basic Information

Item	Detail
Product Name	4-Hydroxy-7-[[[[5-Hydroxy-6-(Phenylazo)-7-Sulpho-2-Naphthyl]Amino]Carbonyl]Amino]-2-[(7-Sulpho-2-Naphthyl)Azo]Naphthalenesulphonic Acid
CAS No.	93919-34-7
Molecular Formula	C37H24N6O13S3
Molecular Weight	872.81 g/mol
Synonyms	Acid Red 414; C.I. 18015; 4-Hydroxy-7-({[(5-hydroxy-6-[(E)-phenyldiazenyl]-7-sulfo-2-naphthyl)carbamoyl]amino})-2-[(E)-(7-sulfo-2-naphthyl)diazenyl]naphthalene-1-sulfonic acid; 1-Naphthalenesulfonic acid, 4-hydroxy-7-[[[[5-hydroxy-6-(2-phenylhydrazinylidene)-7-sulfo-2-naphthalenyl]amino]carbonyl]amino]-2-[2-(7-sulfo-2-naphthalenyl)hydrazinylidene]-; Reactive Dye Intermediate; Azo Dye Intermediate CAS 93919-34-7
EINECS	Contact for details

Quality Control

Our 4-Hydroxy-7-[[[[5-Hydroxy-6-(Phenylazo)-7-Sulpho-2-Naphthyl]Amino]Carbonyl]Amino]-2-[(7-Sulpho-2-Naphthyl)Azo]Naphthalenesulphonic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for dye intermediate applications. Certificates of Analysis (COA) documenting purity, impurity profile, and physical characteristics are available upon request 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 (15-25°C). Keep the container tightly sealed when not in use to protect from moisture and contamination. Store away from incompatible materials.

Specification

Item	Specification
Appearance	Dark brown to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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