Description

Ammonium 6-[(4-Aminophenyl)Azo]-5-Hydroxynaphthalene-1-Sulphonate CAS NO 83006-63-7 is a specialized azo dye intermediate known for its distinct chromophoric properties. This compound is valued for its role in synthesizing high-performance dyes and pigments with excellent color fastness and stability. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries for producing vivid and durable colorants.

Application

• Primary Intermediate for Azo Dyes: A key building block in the synthesis of acid, direct, and reactive dyes for textiles like wool, silk, and nylon.
• Pigment Manufacturing: Used in the production of organic pigments for inks, coatings, and plastics, providing strong, lightfast colors.
• Specialty Chemical Synthesis: Serves as a precursor for more complex chromophores used in research and high-value chemical applications.
• Biological Staining: Potential use as a staining agent in histology and microscopy due to its specific affinity and color properties.
• Analytical Reagent: Can be employed as a colorimetric indicator or reagent in specific analytical chemistry methods.

Basic Information

Product Name	Ammonium 6-[(4-Aminophenyl)Azo]-5-Hydroxynaphthalene-1-Sulphonate
CAS No.	83006-63-7
Molecular Formula	C16H15N4O4S
Molecular Weight	359.38 g/mol
Synonyms	Ammonium 5-Hydroxy-6-[(4-aminophenyl)azo]naphthalene-1-sulfonate; C.I. 18050; Acid Orange 7 Ammonium Salt; 6-[(4-Aminophenyl)azo]-5-hydroxy-1-naphthalenesulfonic acid ammonium salt; 1-Naphthalenesulfonic acid, 6-[(4-aminophenyl)azo]-5-hydroxy-, ammonium salt; Azoic Diazo Component 7; Azo Dye Intermediate 83006-63-7
EINECS	Contact for details

Quality Control

Our production of Ammonium 6-[(4-Aminophenyl)Azo]-5-Hydroxynaphthalene-1-Sulphonate adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. The material is characterized and tested against established in-house specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles 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, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. This product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
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.