Description

5-[(6-Sulpho-1-Naphthyl)Azo]Salicylic Acid, Sodium Salt is a high-purity azo dye intermediate and analytical reagent, valued for its precise chromophoric properties and consistent performance. This compound is essential for applications requiring reliable color formation and complexometric analysis. It is primarily utilized by manufacturers in the dye and pigment industry, as well as by research and quality control laboratories for specialized chemical detection and titration processes.

Application

• Key intermediate in the synthesis of acid dyes and pigments for textiles and leather.
• Complexometric indicator in analytical chemistry for the titration of metal ions.
• Colorant precursor for specialty inks and coatings.
• Research chemical for developing novel chromogenic sensors and assays.
• Potential use in histological staining formulations.
• Component in the manufacture of colorimetric test kits for industrial water analysis.

Basic Information

Product Name	5-[(6-Sulpho-1-Naphthyl)Azo]Salicylic Acid, Sodium Salt
CAS No.	94109-81-6
Molecular Formula	C17H11N2NaO6S
Molecular Weight	394.33 g/mol
Synonyms	5-[(6-Sulfo-1-naphthyl)azo]salicylic acid sodium salt; Mordant Blue 13; Alizarin Violet 3R; C.I. 16680; Sodium 5-[(6-sulfo-1-naphthyl)azo]salicylate; 1-Naphthalenesulfonic acid, 6-[(2-hydroxy-5-sulfophenyl)azo]-, monosodium salt; Acid Alizarin Violet N; Alizarin Violet
EINECS	Contact for details

Quality Control

Our 5-[(6-Sulpho-1-Naphthyl)Azo]Salicylic Acid, Sodium Salt is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets exacting standards for industrial and laboratory use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (1% in Water)	Clear, red solution

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