Description

4-[[(9,10-Dihydro-9,10-Dioxo-2-Anthracenyl)Carbonyl]Amino] Benzenesulfonic Acid, Aluminum Salt(3:1) is a high-purity, organometallic colorant complex valued for its excellent lightfastness and thermal stability. This compound is engineered to provide consistent, vibrant coloration in demanding industrial applications where performance and reliability are critical. It is primarily sought after by manufacturers in the plastics, coatings, and specialty ink sectors seeking advanced pigment intermediates.

Application

• Pigment Intermediate: A key precursor for the synthesis of high-performance anthraquinone-based organic pigments.
• Plastics Coloring: Imparts stable, vivid colors to engineering plastics, masterbatches, and synthetic fibers.
• Industrial Coatings: Used in formulations for automotive, coil, and powder coatings requiring superior weatherability.
• Specialty Inks: Employed in the production of high-quality printing inks, including packaging and security inks.
• Synthetic Resins: Acts as a colorant for unsaturated polyester resins and other polymer systems.
• Research & Development: Serves as a standard or starting material in chemical research for novel dye and pigment development.

Basic Information

Product Name	4-[[(9,10-Dihydro-9,10-Dioxo-2-Anthracenyl)Carbonyl]Amino] Benzenesulfonic Acid, Aluminum Salt(3:1)
CAS No.	173357-64-7
Molecular Formula	C21H12AlN3O8S3 (Trisodium salt equivalent: C21H12N3Na3O8S3)
Molecular Weight	Contact for details
Synonyms	Aluminum Salt of 4-[(9,10-Dihydro-9,10-dioxo-2-anthryl)carbonylamino]benzenesulfonic Acid; 2-Anthraquinonecarboxamide, N-(4-sulfophenyl)-, aluminum complex; C.I. Pigment Red 177 Aluminum Salt; Anthraquinone Pigment Aluminum Lake; Acid Blue 324:1 (related aluminum salt); N-(4-Sulfophenyl)-2-anthraquinonecarboxamide aluminum salt; 173357-64-7; Aluminium 4-[[(9,10-dihydro-9,10-dioxo-2-anthracenyl)carbonyl]amino]benzenesulphonate
EINECS	Contact for details

Quality Control

Our production of 4-[[(9,10-Dihydro-9,10-Dioxo-2-Anthracenyl)Carbonyl]Amino] Benzenesulfonic Acid, Aluminum Salt(3:1) adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and chemical composition. Comprehensive Certificates of Analysis (COA) detailing assay, impurity profile, and physical specifications are provided to guarantee traceability and compliance with your technical 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). This material is hygroscopic (moisture-sensitive); ensure the container is kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Fine Powder
Color	Characteristic Color
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Ash Content	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Contact for details

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