Description

Sodium 4-Amino-5-Hydroxy-6-[(2-Hydroxy-3,5-Dinitrophenyl)Azo]Naphthalene-1-Sulphonate is a high-purity, synthetic azo dye intermediate of significant commercial importance. Its complex molecular structure provides unique chromophoric properties, making it a critical precursor for the production of specialized dyes and pigments. This compound is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to develop products with specific color fastness and hue characteristics.

Application

• Primary Intermediate for Azo Dyes: Serves as a key building block in the synthesis of complex, high-performance azo dyes for textiles and leather.
• Specialty Pigment Manufacturing: Used in the production of pigments for inks, coatings, and plastics where specific color properties are required.
• Research & Development: Employed in chemical R&D for studying azo coupling reactions and developing novel chromophores.
• Analytical Reagent: Can be utilized as a colorimetric reagent or indicator in certain analytical chemistry applications due to its distinct color change properties.
• Functional Material Synthesis: Potential use as a precursor in the creation of functional materials, such as dye-sensitized solar cells or photonic crystals.

Basic Information

Item	Details
Product Name	Sodium 4-Amino-5-Hydroxy-6-[(2-Hydroxy-3,5-Dinitrophenyl)Azo]Naphthalene-1-Sulphonate
CAS No.	3687-83-0
Molecular Formula	C16H9N5NaO9S
Molecular Weight	478.33 g/mol
Synonyms	Acid Orange 74 (C.I. 18745); 6-Amino-5-hydroxy-4-[(2-hydroxy-3,5-dinitrophenyl)azo]-1-naphthalenesulfonic acid sodium salt; 1-Naphthalenesulfonic acid, 6-amino-5-hydroxy-4-[(2-hydroxy-3,5-dinitrophenyl)azo]-, monosodium salt; Sodium 6-amino-5-hydroxy-4-[(2-hydroxy-3,5-dinitrophenyl)azo]naphthalene-1-sulfonate; C.I. Acid Orange 74; Azo dye intermediate 3687-83-0
EINECS	Contact for details

Quality Control

Our production of Sodium 4-Amino-5-Hydroxy-6-[(2-Hydroxy-3,5-Dinitrophenyl)Azo]Naphthalene-1-Sulphonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure consistent purity, identity, and performance. We provide detailed Certificates of Analysis (COA) with each shipment, documenting key parameters such as assay, impurity profile, and physical characteristics 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Freely soluble

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