red orange (mineral oil). Melting point 176 ℃ (red brown acicular crystal). In concentrated sulfuric acid for magenta, after dilution red brown precipitation.
|
Standard
|
Light Fastness
|
Heat-resistant(℃)
|
water
|
Sodium Carbonate(5%)
|
Hydrochloric acid(5%)
|
|
Melting point
|
Stable
|
|
ISO
|
Good
|
176
|
≥ 205Sublimation
|
Insoluble
|
No change
|
No change
|
