1,5-Dihydroxy-4,8-dinitroanthraquinone
- CAS NO.：128-91-6
- Empirical Formula: C14H6N2O8
- Molecular Weight: 330.21
- MDL number: MFCD00035827
- EINECS: 204-918-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:55:05
What is 1,5-Dihydroxy-4,8-dinitroanthraquinone?
The Uses of 1,5-Dihydroxy-4,8-dinitroanthraquinone
1,5-Dihydroxy-4, 8-dinitroanthraquinone is an important dye precursor for CI Disperse Blue 56, hydrolysis with aqueous alkali. 1,5-Dinitro-4,8-dihydroxyanthraquinone is also prepared from dimethoxyanthraquinone. High purity of 1,5-dimethoxyanthraquinone is required for manufacturing disperse blue dyes.
Synthesis
1,5-Dihydroxy-4,8-dinitroanthraquinone is prepared from 1,5-diphenoxyanthraquinone by nitration followed by alkaline hydrolysis .
Properties of 1,5-Dihydroxy-4,8-dinitroanthraquinone
| Melting point: | 360-362 °C |
| Boiling point: | 669.4±55.0 °C(Predicted) |
| Density | 1.838±0.06 g/cm3(Predicted) |
| pka | 3.39±0.20(Predicted) |
| CAS DataBase Reference | 128-91-6(CAS DataBase Reference) |
| EPA Substance Registry System | 9,10-Anthracenedione, 1,5-dihydroxy-4,8-dinitro- (128-91-6) |
Safety information for 1,5-Dihydroxy-4,8-dinitroanthraquinone
Computed Descriptors for 1,5-Dihydroxy-4,8-dinitroanthraquinone
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