1,4-Cyclohexanedione bis(ethylene ketal)
Synonym(s):1,4,9,12-Tetraoxadispiro[4.2.4.2]tetradecane
- CAS NO.：183-97-1
- Empirical Formula: C10H16O4
- Molecular Weight: 200.23
- MDL number: MFCD00010851
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-07-24 13:33:21
What is 1,4-Cyclohexanedione bis(ethylene ketal)?
General Description
Hydrolysis of 1,4-cyclohexanedione bis(ethylene ketal) at 250°C has been reported.
Synthesis
After mixing 2243 g (20 mol) of 1,4-cyclohexanedione, 2607 g (42 mol) of ethylene glycol, the resin filtered, and 26 L of toluene, the temperature was raised slowly and refluxed for 11 hours to separate the water. The reaction temperature was lowered to 40° C., the resin was filtered, and the organic phase was concentrated until no liquid flowed. Then add 1257g (21mol) of methylboronic acid and 20L of n-heptane, raise the temperature to 80°C and react for 6 hours, then slowly cool down to 5-10°C in a gradient, filter, rinse the filter cake with n-heptane, and dry to obtain 1,4-Cyclohexanedione bis(ethylene ketal).
Properties of 1,4-Cyclohexanedione bis(ethylene ketal)
| Melting point: | 79-80 °C (lit.) |
| Boiling point: | 75-85 °C/0.5 mmHg (lit.) |
| Density | 1.1508 (rough estimate) |
| refractive index | 1.4459 (estimate) |
| Flash point: | 75-85°C/0.5mm |
| storage temp. | Store below +30°C. |
| form | powder to crystal |
| color | White to Almost white |
| InChI | InChI=1S/C10H16O4/c1-2-10(13-7-8-14-10)4-3-9(1)11-5-6-12-9/h1-8H2 |
| CAS DataBase Reference | 183-97-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,4-Cyclohexanedione bis(ethylene ketal)(183-97-1) |
Safety information for 1,4-Cyclohexanedione bis(ethylene ketal)
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 1,4-Cyclohexanedione bis(ethylene ketal)
| InChIKey | YSMVSEYPOBXSOK-UHFFFAOYSA-N |
| SMILES | O1C2(CCC3(OCCO3)CC2)OCC1 |
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