Description

Disodium 1-Amino-4-(3-Amino-4-Sulphonatoanilino)-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonate is a high-purity, water-soluble anthraquinone derivative, specifically engineered as a critical intermediate for advanced colorant synthesis. Its precise molecular structure provides the essential chromophore and reactive sites required for producing vivid and stable dyes and pigments. This compound is primarily sought after by manufacturers in the textile, ink, and specialty chemical industries for developing high-performance colorants.

Application

• Key Intermediate for Reactive Dyes: Synthesis of high-quality reactive dyes for cotton and cellulose fiber dyeing and printing.
• Production of Acid Dyes: Manufacturing of acid dyes used for coloring nylon, wool, and silk.
• Specialty Pigment Synthesis: Serving as a precursor for high-grade organic pigments used in inks, plastics, and coatings.
• Functional Dye Manufacturing: Production of dyes for non-textile applications, including paper coloration and leather finishing.
• Research & Development: Utilized in chemical R&D for creating novel chromophores and studying structure-color relationships.
• Liquid Crystal Dye (LCD) Precursor: Potential use in the synthesis of dyes for electronic display applications.

Basic Information

Product Name	Disodium 1-Amino-4-(3-Amino-4-Sulphonatoanilino)-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonate
CAS No.	6691-01-6
Molecular Formula	C20H12N3Na2O9S2
Molecular Weight	547.43 g/mol
Synonyms	1-Amino-4-[(3-amino-4-sulfophenyl)amino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid disodium salt; Disodium 1,4-bis[(3-amino-4-sulfophenyl)amino]anthraquinone derivative; C.I. Reactive Blue 19 Intermediate; Anthraquinone Blue Intermediate; 1,4-Diaminoanthraquinone-2,5-disulfonic acid derivative; Acid Blue 25 related intermediate; 6691-01-6; Disodium 4-[(3-amino-4-sulfonatoanilino)-1-aminoanthraquinone-2-sulfonate]
EINECS	229-738-3

Quality Control

Our production of Disodium 1-Amino-4-(3-Amino-4-Sulphonatoanilino)-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonate adheres to stringent quality management protocols to ensure batch-to-batch consistency and high chemical purity. Every lot undergoes comprehensive analytical testing, including HPLC for purity assay and identity confirmation. A detailed Certificate of Analysis (COA) documenting all test results is provided with each shipment to support your quality assurance processes.

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). This material is light-sensitive (store away from light) and hygroscopic (moisture-sensitive). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Solubility (in Water)	Clear solution
Heavy Metals (as Pb)	≤ 20 ppm

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