|
|
| | 4-amino-1,1'-azonaphthalene Basic information |
| Product Name: | 4-amino-1,1'-azonaphthalene | | Synonyms: | 4-amino-1,1'-azonaphthalene;4-(naphthalen-1-yldiazenyl)naphthalen-1-amine;4-(1-naphthylazo)-1-naphthylamine;Solvent brown 3 (C.I. 11360);C.I.11360;C.I.Solvent Brown 3;Silotras Brown TR;Sudan Brown R | | CAS: | 2835-61-2 | | MF: | C20H15N3 | | MW: | 297.35 | | EINECS: | 220-611-8 | | Product Categories: | | | Mol File: | 2835-61-2.mol |  |
| | 4-amino-1,1'-azonaphthalene Chemical Properties |
| Melting point | 123-125 °C(Solvent: Ethanol) | | Boiling point | 537.047±25.00 °C(Press: 760.00 Torr)(predicted) | | density | 1.205±0.14 g/cm3(Temp: 25 °C; Press: 760 Torr)(predicted) | | pka | 2.835±0.10(predicted) | | EPA Substance Registry System | 1-Naphthalenamine, 4-(1-naphthalenylazo)- (2835-61-2) |
| | 4-amino-1,1'-azonaphthalene Usage And Synthesis |
| Preparation | Naphthalen-1-amine diazotization, and Naphthalen-1-amine coupling. | | Properties and Applications | dark red light orange and brown. Soluble in ethanol, acetone and benzene. In concentrated sulfuric acid to red light brown, dilution after dark yellow, red brown precipitation; In concentrated sodium hydroxide solution insoluble. Used for oil, paraffin wax, cellulose and synthetic resin paint color.
|
Standard
|
Light Fastness
|
Heat-resistant(℃)
|
water
|
Sodium Carbonate(5%)
|
Hydrochloric acid(5%)
|
|
Melting point
|
Stable
|
|
ISO
|
Poor
|
140-152
|
100≥ 100
Sublimation
|
Insoluble
|
No change
|
Turned purple
|
|
| | 4-amino-1,1'-azonaphthalene Preparation Products And Raw materials |
|