Description

Violanthrone-79 is a high-purity, specialized organic pigment and dye intermediate. This compound is valued for its role in producing deep, stable violet and blue colorants with excellent performance characteristics. It is primarily utilized by manufacturers in the pigments, dyes, and advanced materials sectors for demanding applications requiring consistent quality and color strength.

Application

• Key intermediate in the synthesis of high-performance violet and blue organic pigments.
• Used in the production of dyes for industrial applications, including plastics and coatings.
• Acts as a functional material in the research and development of organic electronic components, such as OLEDs.
• Employed as a standard or reference compound in analytical chemistry and quality control laboratories.
• Potential use as a colorant for specialty inks and toners requiring specific spectral properties.
• Utilized in academic and industrial R&D for studying polycyclic aromatic hydrocarbon chemistry and photophysical properties.

Basic Information

Product Name	Violanthrone-79
CAS No.	85652-50-2
Molecular Formula	C34H16O2
Molecular Weight	456.49 g/mol
Synonyms	Violanthrone; C.I. 59800; C.I. Pigment Violet 29; Dibenzo[ghi,pqr]perylene-9,18-dione; 16,17-Dihydro-15H-dinaphtho[2,3-a:2',3'-i]carbazole-5,10-dione; Vat Blue 20; 79 Dye Intermediate
EINECS	Contact for details

Quality Control

Our Violanthrone-79 is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC and spectrophotometry to verify identity, strength, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all test results 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 a controlled room temperature (15-25°C). Keep away from incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	Dark violet to blue-black powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Ash Content	≤ 0.2%
Particle Size (Typical)	Contact for details

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