Description

Flavanthrone is a high-purity, synthetic organic pigment belonging to the anthraquinone class, identified by CAS NO 475-71-8. This compound is valued for its excellent color properties and stability, making it a critical component in demanding industrial applications. It is primarily sought after by manufacturers in the pigments and dyes, specialty coatings, and advanced materials sectors for producing high-performance colorants.

Application

• Primary use as a vat dye and pigment for coloring textiles, plastics, and synthetic fibers.
• Manufacturing of high-grade industrial paints and coatings requiring superior lightfastness and weather resistance.
• Production of specialty printing inks for security, packaging, and decorative purposes.
• As a colorant in the formulation of advanced polymeric materials and engineering plastics.
• Potential use as an intermediate in organic synthesis for more complex chemical structures.
• Research and development applications in photovoltaic materials and organic electronics due to its conjugated structure.

Basic Information

Product Name	Flavanthrone
CAS No.	475-71-8
Molecular Formula	C28H12N2O2
Molecular Weight	408.41 g/mol
Synonyms	Flavanthrone Yellow; C.I. 70600; C.I. Vat Yellow 1; Indanthren Yellow G; Vat Yellow 1; 8,16-Pyranthrenedione, 5,9-dihydro-; C.I. Pigment Yellow 24; Flavanthron
EINECS	207-489-1

Quality Control

Our Flavanthrone is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identification, assay, and impurity profiling. Certificates of Analysis (COA) documenting compliance with agreed specifications are available for every shipment upon request.

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 sources and incompatible materials. The product is light-sensitive and should be stored away from light as indicated.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Ash Content	≤ 0.5%
Particle Size (Typical)	Contact for details

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