Description

1-Amino-9,10-Dihydro-4-Hydroxy-9,10-Dioxoanthracene-2-Sulphonic Acid is a specialized anthraquinone derivative, serving as a crucial intermediate in the synthesis of high-value dyes and pigments. Its molecular structure provides the chromophore backbone and reactive sites necessary for producing vivid, colorfast dyes used in demanding industrial applications. This compound is essential for manufacturers in the textile, ink, and specialty chemical sectors seeking to develop advanced coloring agents with specific performance characteristics.

Application

• Key Intermediate for Dye Synthesis: Primary building block for manufacturing acid dyes, disperse dyes, and vat dyes, particularly anthraquinone-based colors.
• Textile Industry: Used in the production of dyes for coloring nylon, wool, silk, and other polyamide fibers, offering excellent wash and light fastness.
• Ink Manufacturing: Serves as a precursor for pigments in high-performance printing inks, including inks for packaging and security printing.
• Specialty Pigments: Intermediate in the synthesis of organic pigments for plastics, coatings, and automotive finishes.
• Research & Development: Used in chemical research for developing novel chromophores and functional materials.
• Photographic Chemicals: Potential application as a sensitizer or intermediate in certain photographic chemical processes.

Basic Information

Product Name	1-Amino-9,10-Dihydro-4-Hydroxy-9,10-Dioxoanthracene-2-Sulphonic Acid
CAS No.	24929-02-0
Molecular Formula	C14H9NO6S
Molecular Weight	319.29 g/mol
Synonyms	1-Amino-4-hydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid; 1-Amino-4-hydroxyanthraquinone-2-sulfonic acid; 4-Hydroxy-1-aminoanthraquinone-2-sulfonic acid; 1-Amino-4-hydroxy-9,10-anthraquinone-2-sulfonate; AHAA; Acid Anthraquinone Blue Intermediate; C.I. 60710
EINECS	Contact for details

Quality Control

Our production of 1-Amino-9,10-Dihydro-4-Hydroxy-9,10-Dioxoanthracene-2-Sulphonic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. The material is characterized and tested against established in-house specifications, which are aligned with industry standards for dye intermediates. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Yellow to brownish-yellow powder or crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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