PRODUCT Properties
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 |
Description and Uses
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.