Description

1,2,5,6-Tetrahydroxyanthraquinone is a polyhydroxy derivative of anthraquinone, serving as a versatile and high-value intermediate in advanced chemical synthesis. Its multi-functional hydroxyl groups make it a critical precursor for the development of specialized dyes, pigments, and functional organic materials. This compound is essential for manufacturers and R&D teams in the fine chemicals, specialty dyes, and advanced material science sectors seeking to develop products with specific chromophoric or chelating properties.

Application

• Dye and Pigment Intermediate: A key precursor for synthesizing high-performance anthraquinone dyes, including vat dyes and acid dyes for textiles, leather, and paper.
• Functional Material Synthesis: Used in the production of organic semiconductors, photoconductive materials, and charge-transport layers for electronic applications.
• Analytical Chemistry Reagent: Employed as a chelating agent or a chromogenic substrate in spectrophotometric analysis and metal ion detection.
• Pharmaceutical Research Intermediate: Serves as a building block in the synthesis of novel bioactive compounds and potential pharmacophores in medicinal chemistry.
• Catalyst and Ligand Preparation: Utilized to develop metal-organic complexes and ligands for catalytic processes.
• Specialty Ink Formulation: A component in the manufacture of high-stability and specialty inks for security printing or digital applications.

Basic Information

Product Name	1,2,5,6-Tetrahydroxyanthraquinone
CAS No.	632-77-9
Molecular Formula	C14H8O6
Molecular Weight	272.21 g/mol
Synonyms	1,2,5,6-Tetrahydroxy-9,10-anthracenedione; Anthrarufin; 1,2,5,6-Tetrahydroxyanthracene-9,10-dione; C.I. 58205; C.I. Mordant Violet 32; 1,2,5,6-THAQ; NSC 407296
EINECS	211-189-8

Quality Control

Our 1,2,5,6-Tetrahydroxyanthraquinone is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and related substances, to meet the stringent requirements of our industrial and research partners. A Certificate of Analysis (COA) detailing all test results is 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). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 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.