Description

1-Amino-4-(4-Amino-3-Sulphoanilino)-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonic Acid, Sodium Salt is a high-purity, water-soluble anthraquinone derivative and a key chemical intermediate. Its primary value lies in its role as a versatile precursor for synthesizing high-performance dyes and pigments, particularly for demanding technical applications. This product is essential for manufacturers in the textile, specialty ink, and advanced materials sectors who require consistent quality and reliable supply chains for their production processes.

Application

• Dye Intermediate: A critical building block for the synthesis of anthraquinone-based acid dyes, reactive dyes, and disperse dyes used in textile coloration.
• Pigment Manufacturing: Serves as a key precursor in the production of high-grade organic pigments for inks, coatings, and plastics.
• Functional Dyes: Used in the research and development of functional dyes for non-textile applications, such as in optical data storage or liquid crystal displays (LCDs).
• Chemical Synthesis: Employed as an advanced intermediate in organic synthesis for creating complex molecules with specific chromophoric properties.
• Laboratory Reagent: Utilized in research and quality control laboratories as a standard or reference material for analytical purposes.

Basic Information

Product Name	1-Amino-4-(4-Amino-3-Sulphoanilino)-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonic Acid, Sodium Salt
CAS No.	32866-11-8
Molecular Formula	C20H14N3NaO8S2
Molecular Weight	519.46 g/mol
Synonyms	Acid Blue 324 Intermediate; 1-Amino-4-[(4-amino-3-sulfophenyl)amino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid sodium salt; Sodium 1-amino-4-[(4-amino-3-sulfophenyl)amino]-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate; C.I. 621052; Anthraquinone Blue Intermediate; 2-Anthracenesulfonic acid, 1-amino-4-[(4-amino-3-sulfophenyl)amino]-9,10-dihydro-9,10-dioxo-, sodium salt (1:1)
EINECS	Contact for details

Quality Control

Our production of 1-Amino-4-(4-Amino-3-Sulphoanilino)-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonic Acid, Sodium Salt adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The material undergoes rigorous analytical testing, including HPLC for assay and impurity profiling, to meet precise customer specifications. Certificates of Analysis (COA) documenting identity, purity, and related substances are provided with every shipment.

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, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Solubility (1% in Water)	Complete, clear solution

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