Description

5-Sulfo-4'-Diethylamino-2,2'-Dihydroxyazobenzene is a specialized azo dye intermediate and analytical reagent. This compound matters for its role as a key precursor in the synthesis of high-value dyes and pigments, as well as its utility in colorimetric detection methods. Industries that need it include fine chemical manufacturers, dye and pigment producers, and research laboratories developing chromogenic assays or pH indicators.

Application

• Dye and Pigment Synthesis: A crucial intermediate for manufacturing acid dyes, reactive dyes, and metal-complex pigments.
• Analytical Chemistry: Used as a chromogenic agent or pH indicator in various colorimetric test kits and laboratory analyses.
• Textile Industry: Serves as a building block for dyes applied to nylon, silk, wool, and other protein-based fibers.
• Biological Staining: Potential application in histological stains or as a fluorescent probe precursor in life science research.
• Chemical Research: Employed in organic synthesis and materials science for developing new functional dyes and sensors.
• Ink Formulation: Can be used in the production of specialized inks for printing and imaging.

Basic Information

Product Name	5-Sulfo-4'-Diethylamino-2,2'-Dihydroxyazobenzene
CAS No.	1563-01-5
Molecular Formula	C₁₆H₁₈N₄O₅S
Molecular Weight	378.41 g/mol
Synonyms	Acid Orange 63; C.I. 22870; 2,2'-Dihydroxy-5-sulfo-4'-(diethylamino)azobenzene; 4'-Diethylamino-2,2'-dihydroxy-5-sulfoazobenzene; 5-Sulfo-4'-(diethylamino)-2,2'-dihydroxyazobenzene; Mordant Orange 6; 2-Hydroxy-5-[(2-hydroxy-4-(diethylamino)phenyl)diazenyl]benzenesulfonic acid
EINECS	Contact for details

Quality Control

Our 5-Sulfo-4'-Diethylamino-2,2'-Dihydroxyazobenzene is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents. Due to its complex aromatic structure, prolonged exposure to elevated temperatures or direct light should be avoided to maintain 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%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in water and alkaline solutions

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