Description

1,8-Dihydroxyanthraquinone is a high-purity organic compound belonging to the anthraquinone dye class, serving as a critical intermediate in the synthesis of specialized colorants and functional materials. Its value lies in its ability to impart color and act as a chelating agent, making it indispensable for manufacturers requiring precise chemical properties and consistent batch-to-batch quality. This product is primarily needed by industries involved in dye and pigment manufacturing, analytical chemistry, and advanced material research, where it functions as a key building block for vat dyes and a reagent for metal ion detection.

Application

• Dye & Pigment Intermediate: A key precursor in the synthesis of vat dyes and anthraquinone-based pigments for textiles, inks, and plastics.
• Analytical Chemistry Reagent: Used as a chelating agent and colorimetric indicator for the detection and quantification of specific metal ions (e.g., aluminum, magnesium).
• Functional Material Synthesis: Serves as a building block for organic semiconductors, photoconductive materials, and liquid crystal displays (LCDs).
• Pharmaceutical Research Intermediate: Employed in the research and development of certain anthraquinone-derived pharmacologically active compounds.
• Chemical Research & Development: Utilized in organic synthesis for constructing complex molecular structures due to its reactive hydroxyl groups.

Basic Information

Product Name	1,8-Dihydroxyanthraquinone
CAS No.	117-10-2
Molecular Formula	C14H8O4
Molecular Weight	240.21 g/mol
Synonyms	1,8-Dihydroxy-9,10-anthracenedione; Chrysazin; Dantron; 1,8-Dihydroxy-9,10-anthraquinone; Danthron; Istizin; Dihydroxyanthraquinone; 117-10-2
EINECS	204-173-5

Quality Control

Our 1,8-Dihydroxyanthraquinone is manufactured under a strict quality management system to ensure high purity and consistency. Each batch is analyzed against rigorous in-house specifications using modern analytical techniques such as HPLC, GC, and NMR. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	191°C - 196°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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