Description

o-Tolyl p-[(1-Amino-9,10-Dihydro-4-Hydroxy-9,10-Dioxo-2-Anthryl)Oxy]Benzenesulphonate is a specialized anthraquinone derivative valued for its role as a key intermediate in the synthesis of high-performance dyes and pigments. This compound is critical for achieving specific color properties and stability in demanding applications. It is primarily required by manufacturers in the dye and pigment industries, as well as by research institutions developing advanced colorants and functional materials.

Application

• Dye and Pigment Intermediate: A crucial building block for synthesizing anthraquinone-based dyes, particularly for textile and specialty applications.
• Functional Colorant Production: Used in the manufacture of pigments requiring high lightfastness, thermal stability, and chemical resistance.
• Research & Development: Serves as a key starting material in academic and industrial R&D for novel chromophores and advanced organic materials.
• Specialty Chemical Synthesis: Employed in the synthesis of complex molecules for optoelectronics and imaging technologies.
• Ink Formulation: Potential use as an intermediate for high-quality inks where color purity and durability are paramount.

Basic Information

Product Name	o-Tolyl p-[(1-Amino-9,10-Dihydro-4-Hydroxy-9,10-Dioxo-2-Anthryl)Oxy]Benzenesulphonate
CAS No.	82457-16-7
Molecular Formula	C27H19NO7S
Molecular Weight	501.51 g/mol
Synonyms	1-Amino-4-(4-hydroxy-2-methylphenyl)oxy-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid o-tolyl ester; 1-Amino-4-(p-tolyloxy)-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid ester; Anthraquinone dye intermediate 82457-16-7; 2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-4-hydroxy-9,10-dioxo-, 4-methylphenyl ester; o-Tolyl 1-amino-4-hydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate; Disperse dye intermediate CAS 82457-16-7
EINECS	Contact for details

Quality Control

Our o-Tolyl p-[(1-Amino-9,10-Dihydro-4-Hydroxy-9,10-Dioxo-2-Anthryl)Oxy]Benzenesulphonate is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance as a dye intermediate. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%

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