• Appearance: Orange to reddish-brown crystalline powder

• Purity (HPLC): ≥ 99.0% (High Purity Grade)

• Melting Point: 194°C - 197°C

• Moisture: ≤ 0.5%

• Ash Content: ≤ 0.2%

• Toluene Insolubles: ≤ 0.2% (Critical for Dye Yield)

Quinizarin is the backbone intermediate for high-value anthraquinone dyes:

• Dye Synthesis: Primary precursor for Disperse Violet 26/28, Solvent Blue 35/36, and Acid Dyes.

• Oil Marking: Used as "Solvent Orange 86" for fiscal marking of heating oil and fuels due to its distinct spectral signature.

• Pigments: Intermediate for synthesizing lake pigments used in plastics and coatings.

Packaging: 25kg Kraft Paper Bag / Fiber Drum with liner.

Supply: Stable stock for bulk export; ISO 9001 certified production.