Sudan Red 7B
Synonym(s):Fat Red 7B;Fat red bluish;Solvent Red 19
- CAS NO.：6368-72-5
- Empirical Formula: C24H21N5
- Molecular Weight: 379.46
- MDL number: MFCD00003904
- EINECS: 228-862-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 13:37:16
What is Sudan Red 7B?
Chemical properties
bordeaux crystalline powder
The Uses of Sudan Red 7B
Sudan Red 7B is a fat soluble dye. Sudan Red 7B has been used to study the effects of emulsifying agents on disposition of lipid soluble drugs included in fat emulsion. Dyes and metabolites, Environmental Testing.
What are the applications of Application
Sudan Red 7B is a lipid soluble, diazo dye useful for staining fats in plant and animal tissues
Preparation
4-(Phenyldiazenyl)benzenamine diazotization, and N-ethylnaphthalen-2-amine coupling.
Definition
ChEBI: Sudan Red 7B is a member of azobenzenes. It is effectively used to stain lipids and is used to indicate the presence of suberin in cell walls.
Safety Profile
Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.
Properties and Applications
brilliant blue light red. Soluble in ethanol for cherry red, soluble in acetone and benzene. In concentrated sulfuric acid for brilliant green blue, blue purple for after diluted to bordeaux red
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Poor | 128-131.5 |
100-120≥ 100
Sublimation |
Insoluble | Well | No change |
Properties of Sudan Red 7B
| Melting point: | 130 °C (dec.)(lit.) |
| Boiling point: | 497.32°C (rough estimate) |
| Density | 1.3490 (rough estimate) |
| refractive index | 1.6300 (estimate) |
| storage temp. | Amber Vial, Refrigerator, Under inert atmosphere |
| solubility | Chloroform, DMSO, Methanol |
| Colour Index | 26050 |
| form | Powder |
| pka | 3.58±0.40(Predicted) |
| color | Maroon |
| BRN | 3534323 |
| Stability: | Light Sensitive |
| CAS DataBase Reference | 6368-72-5 |
| IARC | 3 (Vol. 8, Sup 7) 1987 |
| EPA Substance Registry System | 2-Naphthalenamine, N-ethyl-1-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]- (6368-72-5) |
Safety information for Sudan Red 7B
Computed Descriptors for Sudan Red 7B
Sudan Red 7B manufacturer
Colorants Chem Pvt Ltd
Retort Chemical Pvt Ltd
New Products
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