Obtusifolin
Synonym(s):2,8-Dihydroxy-1-methoxy-3-methyl-9,10-anthracenedione
- CAS NO.:477-85-0
- Empirical Formula: C16H12O5
- Molecular Weight: 284.26
- MDL number: MFCD18452296
- EINECS: 805-819-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-26 13:56:28
What is Obtusifolin?
Definition
ChEBI: Obtusifolin is a dihydroxyanthraquinone.
General Description
This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG
Properties of Obtusifolin
| Melting point: | 242-243℃ |
| Boiling point: | 528.0±50.0 °C(Predicted) |
| Density | 1.448±0.06 g/cm3 (20 ºC 760 Torr) |
| solubility | DMF: 20 mg/ml; DMSO: 20 mg/ml; DMSO:PBS (pH 7.2) (1:7): 0.12 mg/ml |
| form | A solid |
| pka | 6.60±0.20(Predicted) |
| color | Yellow to orange |
Safety information for Obtusifolin
| Signal word | Warning |
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P501:Dispose of contents/container to..… |
Computed Descriptors for Obtusifolin
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