Description

5-[[2-[(2-Amino-8-Hydroxy-6-Sulfo-1-Naphthalenyl)Azo]-4-Sulfophenyl]Sulfonyl]-2-Hydroxybenzoic Acid Trisodium Salt is a high-purity, water-soluble azo dye intermediate and analytical reagent. This compound is valued for its strong chromophoric properties and ability to form stable complexes with various metal ions. It is primarily required by manufacturers in the dye and pigment industry, as well as by research laboratories for use in colorimetric analysis and as a specialized chemical reagent.

Application

• Dye and Pigment Synthesis: A key intermediate for producing acid dyes, direct dyes, and metal complex dyes, particularly for coloring textiles like wool, silk, and nylon.
• Analytical Chemistry Reagent: Used as a colorimetric indicator and chelating agent in the spectrophotometric determination of metal ions such as aluminum, iron, and copper.
• Biological Staining: Potential application in histological stains for microscopy due to its affinity for specific tissue components.
• Ink Formulation: A component in the manufacture of specialized inks requiring specific color fastness and solubility properties.
• Research & Development: Serves as a building block in organic synthesis and materials science research for developing new functional dyes and sensors.

Basic Information

Product Name	5-[[2-[(2-Amino-8-Hydroxy-6-Sulfo-1-Naphthalenyl)Azo]-4-Sulfophenyl]Sulfonyl]-2-Hydroxybenzoic Acid Trisodium Salt
CAS No.	6360-12-9
Molecular Formula	C23H14N3Na3O13S3
Molecular Weight	713.51 g/mol
Synonyms	Acid Blue 193; C.I. 15707; Trisodium 5-[(2-[(2-amino-8-hydroxy-6-sulfo-1-naphthyl)azo]-4-sulfophenyl)sulfonyl]-2-hydroxybenzoate; Benzoic acid, 5-[[2-[(2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo]-4-sulfophenyl]sulfonyl]-2-hydroxy-, trisodium salt; 2-Hydroxy-5-[(2-[(2-amino-8-hydroxy-6-sulfo-1-naphthyl)azo]-4-sulfophenyl)sulfonyl]benzoic Acid Trisodium Salt; C.I. Acid Blue 193; Acid Blue 193, trisodium salt
EINECS	228-873-9

Quality Control

Our production of 5-[[2-[(2-Amino-8-Hydroxy-6-Sulfo-1-Naphthalenyl)Azo]-4-Sulfophenyl]Sulfonyl]-2-Hydroxybenzoic Acid Trisodium Salt adheres to stringent quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and spectrophotometric analysis for color strength, to ensure consistency and compliance with technical specifications. A detailed Certificate of Analysis (COA) is provided with each shipment.

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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color Strength	95 - 105% (vs. Standard)
Water Content (KF)	≤ 8.0%
pH (1% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm
Solubility in Water	Freely soluble

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