Description
Dehydroacetic acid Chemical Properties
| Melting point | 111-113 °C (lit.) |
| Boiling point | 270 °C (lit.) |
| density | 1.1816 (rough estimate) |
| vapor pressure | 0.001 hPa (20 °C) |
| refractive index | 1.4611 (estimate) |
| Fp | 157°C |
| storage temp. | Store below +30°C. |
| solubility | 2g/l |
| form | Fine Crystalline Powder |
| pka | 5.53±0.40(Predicted) |
| color | Light yellow or cream |
| PH | 4 (2g/l, H2O, 20℃) |
| Odor | almost odorless. slightly bitter-sweet taste. |
| Water Solubility | 500mg/L at 25℃ |
| Merck | 14,2865 |
| BRN | 6129 |
| Stability: | Stable. Incompatible with oxidizing agents, bases, reducing agents. |
| InChIKey | PGRHXDWITVMQBC-UHFFFAOYSA-N |
| LogP | 0.78 at 20℃ |
| CAS DataBase Reference | 520-45-6(CAS DataBase Reference) |
| NIST Chemistry Reference | Dehydroacetic Acid(520-45-6) |
| EPA Substance Registry System | 3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione (520-45-6) |
Safety Information
| Hazard Codes | Xn |
| Risk Statements | 22 |
| Safety Statements | 22-26 |
| WGK Germany | 1 |
| RTECS | UP8050000 |
| Autoignition Temperature | 336 °C |
| TSCA | Yes |
| HS Code | 29322980 |
| Hazardous Substances Data | 520-45-6(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 1000 mg/kg (Spencer) |
Reviews
There are no reviews yet.