Description

Sodium 5-(Phenylazo)Salicylate CAS NO 10143-07-4 is an azo dye salt derived from salicylic acid, valued for its vibrant color and chemical stability. This compound serves as a critical intermediate and colorant in specialized industrial formulations where precise hue and performance are required. It is primarily sought by manufacturers in the dye and pigment, analytical chemistry, and specialty chemical synthesis sectors.

Application

• Primary use as a colorant and dye intermediate for industrial pigments and inks.
• Employed as a pH indicator or colorimetric reagent in analytical chemistry and laboratory testing.
• Potential use in the formulation of specialized stains and markers for biological or histological applications.
• Acts as a key intermediate in the synthesis of more complex azo compounds for research and development.
• Used in the production of specialty coatings and polymers requiring integrated color properties.

Basic Information

Product Name	Sodium 5-(Phenylazo)Salicylate
CAS No.	10143-07-4
Molecular Formula	C13H9N2NaO3
Molecular Weight	264.21 g/mol
Synonyms	Sodium 5-(Phenylazo)salicylate; 5-(Phenylazo)salicylic Acid Sodium Salt; Azosal; C.I. 14055; Salicylic Acid, 5-(Phenylazo)-, Sodium Salt; 2-Hydroxy-5-(phenylazo)benzoic Acid Sodium Salt; Benzoic acid, 2-hydroxy-5-(phenylazo)-, sodium salt (1:1)
EINECS	Contact for details

Quality Control

Our Sodium 5-(Phenylazo)Salicylate is produced under a rigorous quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) documenting specifications such as assay, impurity profile, and physical characteristics is provided with every shipment to guarantee it meets your application 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. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Orange to red powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	Contact for details

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