Description

9,10-Dihydro-9,10-Dioxoanthracene-2,6-Disulphonic Acid, Sodium Salt is a high-purity, water-soluble anthraquinone derivative, recognized for its role as a key intermediate in the synthesis of specialty dyes and pigments. This compound matters for its ability to impart color and functional properties in advanced materials, offering excellent thermal stability and lightfastness. It is primarily needed by manufacturers in the dyestuff, textile, and specialty chemical industries for producing vibrant, durable colors and functional intermediates.

Application

• Dye and Pigment Intermediate: A crucial building block for synthesizing anthraquinone-based acid dyes, reactive dyes, and high-performance pigments.
• Textile Colorants: Used in the manufacturing of dyes for coloring nylon, wool, and silk, valued for their brightness and wash-fastness.
• Functional Chemical Synthesis: Serves as a precursor for photoactive compounds and specialty chemicals used in advanced material science.
• Research & Development: Employed in academic and industrial R&D for developing new chromophores and studying quinone chemistry.
• Analytical Reagent: Can be utilized as a standard or reagent in specific analytical and chromatographic methods.

Basic Information

Product Name	9,10-Dihydro-9,10-Dioxoanthracene-2,6-Disulphonic Acid, Sodium Salt
CAS No.	22680-91-7
Molecular Formula	C14H6Na2O8S2
Molecular Weight	436.30 g/mol
Synonyms	Anthraquinone-2,6-disulfonic acid, disodium salt; 2,6-Anthraquinonedisulfonic acid disodium salt; Disodium 9,10-dihydro-9,10-dioxoanthracene-2,6-disulfonate; Acid Blue 45 intermediate; C.I. 63010; 9,10-Anthracenedione, 2,6-disulfo-, disodium salt; 2,6-Disulfoanthraquinone disodium salt
EINECS	245-173-6

Quality Control

Our 9,10-Dihydro-9,10-Dioxoanthracene-2,6-Disulphonic Acid, Sodium Salt is produced under a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory needs.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, yellow solution

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