1,1'-DIANTHRIMIDE
- CAS NO.：82-22-4
- Empirical Formula: C28H15NO4
- Molecular Weight: 429.42
- MDL number: MFCD00019132
- EINECS: 201-405-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 04:23:30
What is 1,1'-DIANTHRIMIDE?
Chemical properties
Dark red powder
The Uses of 1,1'-DIANTHRIMIDE
Determination of boron. 1,1'-Dianthrimide is used as a 0.02% solution in Concentrated H2SO4. The olive-green solution turns blue in the presence of boron. The blue solution has an absorption max at 620 nm. Also used in the determination of silicon.
Synthesis
1,1'-Dianthraquinonylamine , dianthrimide, is prepared by reacting 1-aminoanthraquinone with 1- chloroanthraquinone in nitrobenzene or water . Also from 1-aminoanthraquinone and 1-nitroanthraquinone .
Purification Methods
Crystallise anthrimide from chlorobenzene (red needles) or nitrobenzene (red rhombs). It is poorly soluble in organic solvents. [Eckert & Steiner Monatsh Chem 35 1129 1914.]
Properties of 1,1'-DIANTHRIMIDE
| Melting point: | 300 °C |
| Boiling point: | 544.01°C (rough estimate) |
| Density | 1.2950 (rough estimate) |
| refractive index | 1.6290 (estimate) |
| pka | -4.72±0.20(Predicted) |
| form | powder to crystal |
| color | Orange to Brown to Dark red |
| Merck | 14,690 |
| CAS DataBase Reference | 82-22-4(CAS DataBase Reference) |
| EPA Substance Registry System | 9,10-Anthracenedione, 1,1'-iminobis- (82-22-4) |
Safety information for 1,1'-DIANTHRIMIDE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H320:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. |
Computed Descriptors for 1,1'-DIANTHRIMIDE
New Products
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