Description

5-[[[7-[[4-[(3-Carboxy-4-Hydroxyphenyl)Azo]-3-Sulfophenyl]Azo]-8-Hydroxy-3,6-Disulfo-1-Naphthalenyl]Amino]Sulfonyl]-2-Hydroxybenzoic Acid Pentasodium Salt is a high-purity, water-soluble azo dye intermediate and analytical reagent. This compound matters for its role as a key chromophore and complexing agent, offering precise colorimetric properties and metal-binding capabilities. It is primarily needed by manufacturers in the specialty dyes, analytical chemistry, and research sectors for developing advanced colorants and chemical sensors.

Application

• Specialty Dye Synthesis: A critical intermediate for producing high-value, water-soluble azo dyes for textiles, inks, and coatings.
• Analytical Reagent: Used in colorimetric assays and as a metal ion indicator in analytical chemistry and laboratory research.
• Biochemical Staining: Potential application in histological stains and biological imaging due to its chromogenic properties.
• Chemical Sensor Development: Serves as a functional component in the fabrication of optical sensors for environmental or industrial monitoring.
• Research & Development: Utilized in academic and industrial R&D for studying azo chemistry, photochemistry, and complexation reactions.

Basic Information

Product Name	5-[[[7-[[4-[(3-Carboxy-4-Hydroxyphenyl)Azo]-3-Sulfophenyl]Azo]-8-Hydroxy-3,6-Disulfo-1-Naphthalenyl]Amino]Sulfonyl]-2-Hydroxybenzoic Acid Pentasodium Salt
CAS No.	72379-55-6
Molecular Formula	C34H18N5Na5O20S4
Molecular Weight	1083.78 g/mol (as pentasodium salt)
Synonyms	Acid Blue 193 (sodium salt); C.I. 15707; 5-[[[7-[[4-[(3-Carboxy-4-hydroxyphenyl)azo]-3-sulfophenyl]azo]-8-hydroxy-3,6-disulfo-1-naphthyl]amino]sulfonyl]-2-hydroxybenzoic acid pentasodium salt; Benzoic acid, 5-[[[7-[[4-[(3-carboxy-4-hydroxyphenyl)azo]-3-sulfophenyl]azo]-8-hydroxy-3,6-disulfo-1-naphthalenyl]amino]sulfonyl]-2-hydroxy-, pentasodium salt; Acid Blue 193, sodium salt; C.I. Acid Blue 193; Mordant Blue 9 (related class).
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided to guarantee traceability and compliance with your quality assurance requirements.

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 tightly sealed after opening to prevent absorption of atmospheric moisture, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0% (as pentasodium salt)
Water Content (KF)	≤ 5.0%
Solubility (1% in Water)	Complete, clear solution
Heavy Metals (as Pb)	≤ 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.