Description

1-Amino-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonic Acid is a high-purity anthraquinone derivative, serving as a critical intermediate in the synthesis of specialized dyes and pigments. Its value lies in providing a consistent and reliable building block for creating vivid, colorfast products. This compound is essential for manufacturers in the dye and pigment industries, as well as for research and development in advanced material science.

Application

• Primary Intermediate for the synthesis of acid dyes and reactive dyes used in textile coloring.
• Key Precursor in the manufacture of high-performance pigments for inks, plastics, and coatings.
• Research Chemical for developing novel chromophores and functional materials in academic and industrial R&D.
• Specialty Chemical used in the production of dyes for leather, paper, and food colorants (where specific grades are compliant).
• Analytical Standard for quality control and method development in chemical analysis laboratories.

Basic Information

Product Name	1-Amino-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonic Acid
CAS No.	83-62-5
Molecular Formula	C14H9NO5S
Molecular Weight	303.29 g/mol
Synonyms	1-Aminoanthraquinone-2-sulfonic Acid; 1-Amino-2-sulfoanthraquinone; 1-Amino-2-anthraquinonesulfonic Acid; 2-Anthraquinonesulfonic acid, 1-amino-; Acid Blue 45 Intermediate; C.I. 62220; 1-Amino-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid
EINECS	201-490-8

Quality Control

Our 1-Amino-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonic Acid is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee traceability and compliance.

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 quality and stability.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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