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Product Name | 1,4-Dihydroxyanthraquinone / Quinizarin |
CAS NO. | 81-64-1 |
Molecular Formula | C14H8O4 |
Structural Formula |  |
Molecular Weight | 240.21 g/mol |
Purity | ≥99% |
Moisture | ≤0.5% |
Ash | ≤0.2% |
Toluene Insoluble Substances | ≤0.2% |
Application | It is used as the intermediate of reducing dyes, disperse dyes and reactive dyes. |
Disperse Dyes: Key intermediate for Disperse Blue HSR, Disperse Blue 5R, Disperse Blue B, and Disperse Dark Blue RB production. Essential for polyester and synthetic fiber coloring.
Acid Dyes: Manufacturing Acid Anthraquinone Blue R, Acid Violet 43, Weak Acid Brilliant Blue RAW, and Weak Acid Green GS for wool and silk dyeing.
Vat Dyes: Production of Reduced Gray BG and Reduced Brown BR for cotton and cellulose fiber applications.
Petroleum Products: Orange-red colorant for gasoline identification and heating oil marking (Solvent Orange 86).
Plastics & Resins: Colorant for various polymer materials, providing excellent light fastness and thermal stability.
Industrial Coatings: Component in specialty paints and protective coatings requiring superior color retention.
Metal Complex Formation: Reacts with calcium, barium, and lead to form stable lake pigments for paints, inks, and printing applications.
High-Performance Pigments: Creates weather-resistant colorants for automotive and architectural coatings.
Fluorescent Probes: Used in live cell imaging as long-range emissive ratiometric fluorescent probes for biological research.
Analytical Chemistry: pH indicator in organic solvents and metal ion detection in analytical laboratories.
Photosensitizer: Generates reactive oxygen species (ROS) for photodynamic research and oxidative stress studies.