4-amino-1,1'-azonaphthalene
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
- Mol File:
- 2835-61-2.mol
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4-amino-1,1'-azonaphthalene Chemical Properties
- EPA Substance Registry System
- 1-Naphthalenamine, 4-(1-naphthalenylazo)- (2835-61-2)
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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 |