CAS No. 520-45-6
Batch:
Purity:99.91
Chemical Structure
Check the
Dehydroacetic acid
product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.
| CAS Number | 520-45-6 | |
|---|---|---|
| Molecular Formula |
C8H8O4 |
|
| Molecular Weight (MW) | 168.15 | |
| SMILES | CC1=CC(=O)C(C(=O)O1)C(=O)C |
Dehydroacetic acid is an organic fungicide and bactericide that exhibits broad-spectrum antimicrobial activity against diverse bacteria and fungi. It disrupts microbial cell membrane integrity and inhibits essential metabolic transport processes, leading to the suppression of microbial cell growth and viability. This compound is widely utilized as a preservative to prevent microbial contamination. [1]
|
Concentration
Volume
Mass
|
|---|
Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
| Solvent | Solubility & Note |
|---|---|
| DMSO |
33 mg/mL
(196.25 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.) |
| Ethanol | 33 mg/mL |
| Water | Insoluble |
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
- Preheat media/saline to 37°C.
- Mix rapidly (pipette/vortex) upon addition.
- For complex mixes, always add the aqueous phase last.
- Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).
Note: Technical data last updated: Sep 1, 2026.