FAT BROWN RR
- CAS NO.：6416-57-5
- Empirical Formula: C16H14N4
- Molecular Weight: 262.31
- MDL number: MFCD00009689
- EINECS: 229-127-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:51:56
What is FAT BROWN RR?
What are the applications of Application
Fat brown RR is a stain that binds to lipids
Preparation
Naphthalen-1-amine diazotization, and Benzene-1,3-diamine coupling.
Definition
ChEBI: Sudan Brown RR is a member of azobenzenes.
Properties and Applications
red orange and brown. Soluble in ethanol, acetone and benzene. In concentrated sulfuric acid to dark red light yellow to brown, after diluted solution for brown, precipitation, In concentrated sodium hydroxide solution insoluble. Dye alcohol solution to join concentrated hydrochloric acid is red. Used for oil, paraffin wax, printing ink, alcohol soluble paint color.
| Standard | Light Fastness | Heat-resistant(℃) | water |
Sodium Carbonate
(5%) |
Hydrochloric acid
(5%) |
|
| Melting point | Stable | |||||
| ISO | General | 155>160 | >150 | Insoluble | No change | No change |
Properties of FAT BROWN RR
| Melting point: | 147-158 °C(lit.) |
| Boiling point: | 395.56°C (rough estimate) |
| Density | 1.1790 (rough estimate) |
| refractive index | 1.6000 (estimate) |
| form | Powder |
| color | Dark, rusty brown |
| IARC | 3 (Vol. 8, Sup 7) 1987 |
| EPA Substance Registry System | 1,3-Benzenediamine, 4-[2-(1-naphthalenyl)diazenyl]- (6416-57-5) |
Safety information for FAT BROWN RR
Computed Descriptors for FAT BROWN RR
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