Description

9,10-Dihydro-9,10-Dioxoanthracene-1,8-Disulphonic Acid, Potassium Salt is a high-purity, water-soluble anthraquinone derivative primarily used as a key intermediate in the synthesis of dyes and pigments. Its value lies in providing a functionalized, sulfonated aromatic core that enables the production of vibrant, colorfast dyes for demanding industrial applications. This compound is essential for manufacturers in the textile, ink, and specialty chemical sectors seeking reliable intermediates for high-performance colorants.

Application

• Dye & Pigment Intermediate: A crucial building block for synthesizing anthraquinone-based acid dyes, reactive dyes, and disperse dyes.
• Textile Industry: Used in the production of dyes for coloring nylon, wool, silk, and other protein-based fibers.
• Ink Manufacturing: Serves as a precursor for pigments used in specialty printing inks requiring high stability and color intensity.
• Chemical Synthesis: Acts as a functionalized intermediate for further chemical modifications in organic synthesis and pharmaceutical research.
• Analytical Reagent: Potential use as a reagent or standard in analytical chemistry due to its distinct chromophoric properties.

Basic Information

Item	Details
Product Name	9,10-Dihydro-9,10-Dioxoanthracene-1,8-Disulphonic Acid, Potassium Salt
CAS No.	22753-24-8
Molecular Formula	C14H6K2O8S2
Molecular Weight	444.53 g/mol
Synonyms	Potassium 1,8-Dihydroxyanthraquinone-1,8-Disulfonate; 1,8-Dihydroxyanthraquinone-1,8-Disulfonic Acid Dipotassium Salt; Anthraquinone-1,8-Disulfonic Acid, Dihydroxy-, Dipotassium Salt; 1,8-Dihydroxyanthraquinone-1,8-Disulfonic Acid Potassium Salt; Alizarin Bordeaux Dipotassium Salt; C.I. 58005; Acid Alizarin Bordeaux B
EINECS	245-212-5

Quality Control

Our 9,10-Dihydro-9,10-Dioxoanthracene-1,8-Disulphonic Acid, Potassium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance, meeting the specifications required for high-end dye synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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 handling properties.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	Conforms
Heavy Metals (as Pb)	≤ 20 ppm

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