Description

5-[(4,8-Disulpho-2-Naphthyl)Azo]Salicylic Acid is a specialized azo dye intermediate characterized by its distinct molecular structure containing both sulfonic acid and salicylic acid groups. This compound is valued for its ability to impart color and specific functional properties in advanced material synthesis. It is primarily sought by manufacturers in the dye and pigment industries, as well as researchers developing functional materials and analytical reagents.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key building block in the synthesis of acid dyes, direct dyes, and reactive dyes, particularly for coloring textiles like wool, silk, and nylon.
• Functional Material Synthesis: Used in the research and development of advanced materials, including metal-complex dyes and light-sensitive compounds.
• Analytical Chemistry Reagent: Potential use as a chromogenic agent or complexometric indicator in specific analytical methodologies.
• Specialty Chemical Manufacturing: Employed in the production of custom colorants for inks, coatings, and plastics where specific sulfonated azo structures are required.

Basic Information

Product Name	5-[(4,8-Disulpho-2-Naphthyl)Azo]Salicylic Acid
CAS No.	84455-34-5
Molecular Formula	C17H10N2O9S2
Molecular Weight	450.40 g/mol
Synonyms	5-[(4,8-Disulfo-2-naphthyl)azo]salicylic acid; 5-[(4,8-Disulpho-2-naphthyl)azo]salicylic acid; C.I. Mordant Yellow 1; Acid Yellow 99; Salicylic acid, 5-[(4,8-disulfo-2-naphthyl)azo]-; 2-Hydroxy-5-[(4,8-disulfo-2-naphthyl)azo]benzoic acid
EINECS	Contact for details

Quality Control

Our production of 5-[(4,8-Disulpho-2-Naphthyl)Azo]Salicylic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. Each lot is analyzed against established specifications for purity, identity, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing the results is provided with every 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 a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed when not in use to prevent absorption of atmospheric moisture, which can affect product stability.

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	≤ 0.5%

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