Description

Dihydroxyanthraquinone is a versatile and industrially significant organic compound belonging to the anthraquinone dye class. Its core value lies in its ability to function as a key intermediate and colorant, offering excellent lightfastness and chemical stability for demanding applications. This product is essential for manufacturers and R&D facilities in the dye, pigment, and specialty chemical sectors seeking reliable, high-purity raw materials.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of vat dyes, disperse dyes, and high-performance organic pigments.
• Textile Coloring: Used in the dyeing of cotton, wool, and synthetic fibers to achieve vibrant and durable colors.
• Specialty Chemical Synthesis: Serves as a building block for pharmaceuticals, agrochemicals, and advanced organic materials.
• Research & Development: Employed in academic and industrial laboratories for developing new chromophores and functional molecules.
• Analytical Reagent: Can be used as a standard or reagent in specific chemical analyses and quality control procedures.
• Functional Additive: Investigated for use in electronic materials and as a catalyst component in certain chemical processes.

Basic Information

Product Name	Dihydroxyanthraquinone
CAS No.	1322-60-7
Molecular Formula	C14H8O4
Molecular Weight	240.21 g/mol
Synonyms	1,2-Dihydroxyanthraquinone; Alizarine; 1,2-Dihydroxy-9,10-anthracenedione; Alizarin; Mordant Red 11; CI 58000; Turkey Red; 9,10-Anthracenedione, 1,2-dihydroxy-
EINECS	215-349-8

Quality Control

Our Dihydroxyanthraquinone is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance with your quality requirements.

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	Orange to red 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.