1-(2-Naphtylazo)-2-naphthol Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
Naphthalen-2-amine diazotization, and Naphthalen-2-ol coupling.
Properties and Applications
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
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Heat-resistant(℃)
|
water
|
Sodium Carbonate(5%)
|
Hydrochloric acid(5%)
|
Melting point
|
Stable
|
ISO
|
Good
|
176
|
≥ 205Sublimation
|
Insoluble
|
No change
|
No change
|
1-(2-Naphtylazo)-2-naphthol Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte