questin
- CAS NO.：3774-64-9
- Empirical Formula: C16H12O5
- Molecular Weight: 284.26
- MDL number: MFCD18452287
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-08-21 14:05:29
What is questin?
Definition
ChEBI: Questin is a dihydroxyanthraquinone that is 1,6-dihyroxy-9,10-anthraquinone which is substituted by a methyl group at position 3 and a methoxy group at position 8. It is functionally related to an emodin. It is a conjugate acid of a questin-2-olate.
Properties of questin
| Melting point: | 301-303 °C |
| Boiling point: | 557.0±50.0 °C(Predicted) |
| Density | 1.448±0.06 g/cm3(Predicted) |
| pka | 6.50±0.20(Predicted) |
| form | Solid |
| color | Yellow to orange |
Safety information for questin
Computed Descriptors for questin
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