blue light red. Dark red powder. Soluble in water for magenta to red, soluble in ethanol to red. In concentrated sulfuric acid for dark blue, after dilution for brown. Dye aqueous solution to join concentrated hydrochloric acid for orange; Join strong caustic for red sauce. Used for plastic, grease, ink and paint color.
Standard
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Light Fastness
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Heat-resistant(℃)
|
water
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Sodium Carbonate(5%)
|
Hydrochloric acid(5%)
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Melting point
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Stable
|
ISO
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Good
|
|
120(1hr)
|
Well
|
Poor
|
Poor
|