Structural formula:

Molecular formula:
Molecular weight:208.22
CAS# 84-65-1
Alias: 9.10-Dioxoanthracene
9.10-Anthraquinone
Properties:
Yellow needle-like crystal, flammable, low toxicity. Slightly soluble in ethanol and acetone, insoluble in water, soluble in concentrated sulfuric acid, easily soluble in hot benzene, toluene, nitrobenzene and aniline, when hydrosulfite when dissolved in hot lye, can be restored in pairs anthracene diol, red solution was added Hydrogen peroxide has been oxidized to anthraquinone yellow powder precipitated. Density1.438 (20/4 ℃), Melting point 286 ℃, boiling point of 379 ~ 381 ℃, Flash point185 ℃ (closed), sublimation when the temperature reaches 250 ℃.
Quality Index
Appearance: yellow or light gray crystalline powder
Melting point (dry): ≥ 280 ℃
Mass fraction of Anthraquinone ≥ 98.0%
Mass fraction of Heating Loss ≤ 0.5%