Description

5,8-Bis[(4-Methyl-2-Sodiosulfophenyl)Amino]-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulfonic Acid Sodium Salt is a high-purity, water-soluble anthraquinone derivative valued for its strong chromophoric properties and excellent lightfastness. This compound is engineered to deliver consistent color performance and chemical stability in demanding industrial applications. It is primarily sought after by manufacturers in the textile dyeing, specialty ink formulation, and advanced material coating sectors.

Application

• Textile Dyeing: As a key intermediate for producing high-quality, wash-fast dyes for synthetic and natural fibers.
• Specialty Inks: Used in the formulation of inks for jet printing, security printing, and other applications requiring vivid, stable colorants.
• Functional Coatings: Employed in coatings for plastics, papers, and other materials where color durability is critical.
• Research & Development: Serves as a valuable building block in organic synthesis and material science research for novel chromophores.
• Analytical Chemistry: Potential use as a staining agent or indicator in specific analytical methodologies.

Basic Information

Product Name	5,8-Bis[(4-Methyl-2-Sodiosulfophenyl)Amino]-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulfonic Acid Sodium Salt
CAS No.	6449-18-9
Molecular Formula	C34H24N2Na3O11S3
Molecular Weight	832.78 g/mol
Synonyms	Acid Blue 80; C.I. 61585; 9,10-Anthracenedione, 5,8-bis[(4-methyl-2-sulfophenyl)amino]-2-sulfonic acid, trisodium salt; Reactive Blue 2 (related class); Anthraquinone Blue; Trisodium 5,8-bis[(4-methyl-2-sulfonatophenyl)amino]-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate
EINECS	229-245-8

Quality Control

Our production of 5,8-Bis[(4-Methyl-2-Sodiosulfophenyl)Amino]-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulfonic Acid Sodium Salt adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, color strength, and solubility. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory compliance 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 nature, the container must be kept sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 20.0%
Water Solubility	Freely soluble
Heavy Metals (as Pb)	≤ 20 ppm

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