Description

1-Amino-4-(Cyclohexylamino)-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonic Acid is a specialized anthraquinone derivative with a sulfonic acid functional group, serving as a key intermediate in the synthesis of high-value dyes and pigments. This compound matters for its role in producing colorants with enhanced solubility, thermal stability, and specific hue properties critical for demanding applications. It is primarily needed by manufacturers in the dye and pigment industry, as well as by research institutions developing advanced functional materials and colorimetric sensors.

Application

• Primary intermediate for the synthesis of disperse dyes and vat dyes used in textile coloring.
• Key precursor in manufacturing specialty pigments for plastics, coatings, and inks requiring high color strength and weatherfastness.
• Used in research and development of functional dyes for non-textile applications, such as in optical data storage or liquid crystal displays (LCDs).
• Potential intermediate for biologically active compounds in pharmaceutical research, leveraging the anthraquinone core structure.
• Employed in the synthesis of colorimetric indicators and sensors for analytical chemistry applications.

Basic Information

Item	Detail
Product Name	1-Amino-4-(Cyclohexylamino)-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonic Acid
CAS No.	5617-28-7
Molecular Formula	C20H20N2O5S
Molecular Weight	400.45 g/mol
Synonyms	1-Amino-4-(cyclohexylamino)anthraquinone-2-sulfonic acid; 1-Amino-4-(cyclohexylamino)-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid; 2-Anthracenesulfonic acid, 1-amino-4-(cyclohexylamino)-9,10-dihydro-9,10-dioxo-; C.I. Disperse Blue 291; Disperse Blue 291; Acid Blue 291; CAS 5617-28-7
EINECS	Contact for details

Quality Control

Our 1-Amino-4-(Cyclohexylamino)-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters such as assay (HPLC), impurity profile, and physical characteristics are available upon request 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 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.