Description

Sodium 9,10-Dihydro-1,4-Dihydroxy-9,10-Dioxoanthracene-2-Sulphonate is a high-purity, water-soluble anthraquinone derivative salt. This compound is valued for its role as a key intermediate in the synthesis of specialized dyes and functional colorants. It is primarily required by manufacturers in the dye and pigment industry, as well as by research institutions developing advanced organic materials.

Application

• Dye Intermediate: A crucial building block for the synthesis of acid dyes, reactive dyes, and disperse dyes used in textile coloring.
• Functional Pigment Synthesis: Used in the production of pigments for inks, coatings, and plastics where specific color fastness and solubility properties are required.
• Chemical Research & Development: Serves as a starting material or reference standard in organic synthesis and photochemical studies.
• Analytical Chemistry: Can be utilized as a reagent or standard in chromatographic analysis and method development.
• Specialty Chemical Manufacturing: Employed in the production of other anthraquinone-based specialty chemicals for various industrial applications.

Basic Information

Product Name	Sodium 9,10-Dihydro-1,4-Dihydroxy-9,10-Dioxoanthracene-2-Sulphonate
CAS No.	22297-70-7
Molecular Formula	C14H7NaO8S
Molecular Weight	358.25 g/mol
Synonyms	1,4-Dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic Acid Sodium Salt; Sodium 1,4-Dihydroxyanthraquinone-2-sulfonate; Alizarin Cyanine Green F (sodium salt); Acid Green 25 (sodium salt); Mordant Green 13; Alizarin Viridine; C.I. 61570; 9,10-Dihydro-1,4-dihydroxy-9,10-dioxo-2-anthracenesulfonic Acid Sodium Salt
EINECS	244-909-5

Quality Control

Our Sodium 9,10-Dihydro-1,4-Dihydroxy-9,10-Dioxoanthracene-2-Sulphonate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance. Certificates of Analysis (COA) detailing key parameters such as assay, 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 area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Orange to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	15.0% - 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, orange solution

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