Description

1,8-Diamino-4-Chloro-5-Hydroxyanthraquinone is a specialized anthraquinone derivative, a key intermediate in the synthesis of high-performance dyes and pigments. Its molecular structure provides the chromophore backbone essential for producing vivid, stable colors with excellent light and wash fastness properties. This compound is primarily required by manufacturers in the textile, ink, and specialty chemical industries seeking to develop advanced colorants for demanding applications.

Application

• Disperse Dye Intermediate: A critical precursor for synthesizing high-grade disperse dyes used in coloring polyester, acetate, and nylon fibers.
• Vat Dye Synthesis: Serves as a key building block in the production of vat dyes, known for their exceptional colorfastness on cellulosic fabrics like cotton.
• Functional Pigment Manufacturing: Used in the creation of organic pigments for inks, plastics, and coatings that require specific chromatic and stability properties.
• Research & Development: Employed in academic and industrial R&D for exploring novel chromophores, photoactive materials, and organic semiconductors.
• Specialty Chemical Production: Acts as an intermediate for fine chemicals used in analytical reagents or other specialized organic syntheses.

Basic Information

Product Name	1,8-Diamino-4-Chloro-5-Hydroxyanthraquinone
CAS No.	72972-37-3
Molecular Formula	C14H9ClN2O3
Molecular Weight	288.69 g/mol
Synonyms	1,8-Diamino-4-chloro-5-hydroxy-9,10-anthracenedione; 4-Chloro-1,8-diamino-5-hydroxyanthraquinone; 5-Hydroxy-1,8-diamino-4-chloroanthraquinone; C.I. 62505; Disperse Blue 291 Intermediate; Anthraquinone, 1,8-diamino-4-chloro-5-hydroxy-; 1,8-Diamino-4-chloro-5-hydroxyanthraquinone
EINECS	Contact for details

Quality Control

Our production of 1,8-Diamino-4-Chloro-5-Hydroxyanthraquinone adheres to stringent quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC and spectrophotometry. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

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 heat, sparks, and open flame. Due to its light-sensitive nature, containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Dark colored powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
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.