Description

2-(4-Diethylaminophenyl)Azo-8-Hydroxy-1-Naphthol-3,6-Disulfonicacid is a high-purity 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 laboratories for use as a sensitive colorimetric indicator and chelating agent in analytical chemistry.

Application

• Key intermediate for the synthesis of specialized azo dyes and pigments, particularly for textile and ink applications.
• Used as a colorimetric reagent and metal ion indicator in analytical chemistry and titration procedures.
• Acts as a chelating agent in research for studying metal-ligand interactions.
• Potential component in the formulation of pH indicators and test strips.
• Employed in the development of sensors and detection systems for specific cations.
• Used in histological staining and biological research applications.
• Intermediate for research into functional dyes for non-textile uses such as in optics or electronics.

Basic Information

Item	Details
Product Name	2-(4-Diethylaminophenyl)Azo-8-Hydroxy-1-Naphthol-3,6-Disulfonicacid
CAS No.	85653-98-1
Molecular Formula	C20H21N3O7S2
Molecular Weight	479.52 g/mol
Synonyms	8-Hydroxy-7-[(4-diethylaminophenyl)azo]naphthalene-1,3-disulfonic acid; 2-(4-Diethylaminophenylazo)-8-hydroxy-3,6-naphthalenedisulfonic acid; Mordant Blue 29 (C.I. 43825); Acid Blue 168; C.I. 43825; 1-Naphthol-3,6-disulfonic acid, 8-hydroxy-7-[(4-(diethylamino)phenyl)azo]-; 7-[(4-Diethylaminophenyl)azo]-8-hydroxynaphthalene-1,3-disulfonic acid
EINECS	Contact for details

Quality Control

Our 2-(4-Diethylaminophenyl)Azo-8-Hydroxy-1-Naphthol-3,6-Disulfonicacid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and consistent performance. Certificates of Analysis (COA) documenting all critical parameters are provided with every 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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%
Solubility	Soluble in water, alkaline solutions

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