yellow. Insoluble in water, soluble in ethanol, acetone and benzene. In concentrated sulfuric acid for orange red to brown, dilution after yellow, with brown precipitation; In concentrated sodium hydroxide solution almost insoluble. Used in printing ink, grease, paraffin wax, hydrocarbon solvent, paint, candles, plastic coloring.
Standard
|
Light Fastness
|
Heat-resistant(℃)
|
water
|
Sodium Carbonate(5%)
|
Hydrochloric acid(5%)
|
Melting point
|
Stable
|
ISO
|
General|
Good
|
115
|
80≥ Sublimation
|
Insoluble
|
Well
|
Good|
Well
|