Solvent Brown 5
Solvent Brown 5 Basic information
- Product Name:
- Solvent Brown 5
- Synonyms:
-
- 4-(1-Naphtylazo)-1-naphthol
- 4-(1-naphthalenylazo)-1-Naphthalenol
- SUDAN BROWN
- 4-(1-naphthylazo)-1-naphthol
- 1-Naphthalenol, 4-(1-naphthalenylazo)-
- Solvent brown 5 (C.I. 12020)
- C.I. 12020
- Solvent Brown 5
- CAS:
- 2653-72-7
- MF:
- C20H14N2O
- MW:
- 298.34
- EINECS:
- 220-178-5
- Mol File:
- 2653-72-7.mol
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Solvent Brown 5 Chemical Properties
- Boiling point:
- 551.0±33.0 °C(Predicted)
- Density
- 1.20±0.1 g/cm3(Predicted)
- pka
- 8.32±0.40(Predicted)
- EPA Substance Registry System
- 1-Naphthalenol, 4-(1-naphthalenylazo)- (2653-72-7)
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Solvent Brown 5 Usage And Synthesis
Preparation
Naphthalen-1-amine diazotization, and Naphthalen-1-ol?coupling.
Properties and Applications
dark brown (NC raw lacquer). Soluble in ethanol for yellow brown. In concentrated sulfuric acid for deep green light black, dilution after blue black, then there is dark brown precipitation. Dye alcohol solution to join concentrated hydrochloric acid don’t change; Add 5% sodium hydroxide solution for blue light red. 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 | 170 |
100≥100
Sublimation |
Insoluble | Good | Good |
Solvent Brown 5Supplier
Alfa Chemistry
- Tel
- 1-516-6625404
- support@alfa-chemistry.com
Dideu Industries Group Limited
- Tel
- +86-29-89586680 +86-15129568250
- 1026@dideu.com
JADECHEM (NINGBO) CO.,LTD.
- Tel
- 574-89075960
- info@jadechem-colours.com
Chemwill Asia Co.,Ltd.
- Tel
- 86-21-51086038
- chemwill_asia@126.com
Hubei Jusheng Technology Co.,Ltd.
- Tel
- 18871490254
- linda@hubeijusheng.com
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