Description

5,8-Dichloro-1,4-Dihydroxyanthraquinone is a halogenated anthraquinone derivative, a key intermediate in the synthesis of high-value functional dyes and pigments. This compound matters for its ability to impart specific color properties and act as a versatile building block in advanced organic synthesis. It is primarily needed by manufacturers in the dye and pigment industry, as well as by research institutions developing novel organic electronic materials and photosensitizers.

Application

• Dye and Pigment Intermediate: A crucial precursor for the synthesis of vat dyes, disperse dyes, and high-performance organic pigments, valued for their colorfastness and thermal stability.
• Functional Dye Synthesis: Used in the production of dyes for specialized applications, including textiles, inks, and plastics, where specific chlorine-substituted anthraquinone structures are required.
• Research & Development: Serves as a key starting material in academic and industrial R&D for creating novel chromophores, photoactive compounds, and materials for organic electronics.
• Chemical Synthesis Building Block: Employed in organic synthesis to construct more complex polycyclic aromatic systems due to its reactive hydroxy and halogen functional groups.
• Potential Pharmaceutical Intermediate: Investigated as a synthetic intermediate for certain anthraquinone-based bioactive compounds in pharmaceutical research.

Basic Information

Product Name	5,8-Dichloro-1,4-Dihydroxyanthraquinone
CAS No.	2832-30-6
Molecular Formula	C14H6Cl2O4
Molecular Weight	309.10 g/mol
Synonyms	1,4-Dihydroxy-5,8-dichloroanthraquinone; 5,8-Dichloro-1,4-dihydroxy-9,10-anthracenedione; C.I. 58055; C.I. Vat Orange 11; Vat Orange 11; 5,8-Dichloroquinizarin; 1,4-Dihydroxy-5,8-dichloro-9,10-anthraquinone
EINECS	220-603-8

Quality Control

Our 5,8-Dichloro-1,4-Dihydroxyanthraquinone is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for chemical intermediates. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, impurity profile, and physical characteristics to guarantee supply reliability and batch-to-batch consistency for your production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Orange to red-brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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