Description

Sodium 5-[(2,4-Dimethylphenyl)Azo]-6-Hydroxynaphthalene-2-Sulphonate is a high-purity azo dye intermediate, valued for its consistent chromophore structure and reliable performance in demanding synthesis processes. This compound is essential for manufacturers requiring precise colorant development and stable batch-to-batch results. It is primarily utilized in the production of specialized dyes and pigments for textiles, inks, and other industrial applications where color fidelity is critical.

Application

• Primary Intermediate for Azo Dyes: Serves as a key building block in the synthesis of orange to red-shade azo dyes for textile fibers.
• Industrial Pigment Manufacturing: Used in the production of pigments for printing inks, paints, and coatings.
• Specialty Colorant Production: Employed in the formulation of colorants for plastics and synthetic materials.
• Research & Development: Utilized in chemical R&D for developing new dye structures and studying azo coupling reactions.
• Analytical Chemistry: Can be used as a standard or reagent in certain colorimetric analytical methods.

Basic Information

Product Name	Sodium 5-[(2,4-Dimethylphenyl)Azo]-6-Hydroxynaphthalene-2-Sulphonate
CAS No.	6300-33-0
Molecular Formula	C18H15N2NaO4S
Molecular Weight	378.38 g/mol
Synonyms	5-[(2,4-Dimethylphenyl)azo]-6-hydroxy-2-naphthalenesulfonic acid sodium salt; C.I. 26105; Acid Orange 60; Sodium 6-hydroxy-5-[(2,4-dimethylphenyl)azo]-2-naphthalenesulfonate; 2-Naphthalenesulfonic acid, 5-[(2,4-dimethylphenyl)azo]-6-hydroxy-, sodium salt; Azo dye intermediate 6300-33-0
EINECS	228-575-7

Quality Control

Our Sodium 5-[(2,4-Dimethylphenyl)Azo]-6-Hydroxynaphthalene-2-Sulphonate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and compliance with your quality requirements.

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 such as strong oxidizing agents. The product is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Orange to red-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (1% in Water)	Clear, orange solution

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