CIS-1,5-DIMETHYLBICYCLO[3.3.0]OCTANE-3,7-DIONE
- CAS NO.：21170-10-5
- Empirical Formula: C10H14O2
- Molecular Weight: 166.22
- MDL number: MFCD00003772
- EINECS: 244-255-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-04-23 13:52:06
![CIS-1,5-DIMETHYLBICYCLO[3.3.0]OCTANE-3,7-DIONE Structural](https://img.chemicalbook.in/CAS/GIF/21170-10-5.gif)
What is CIS-1,5-DIMETHYLBICYCLO[3.3.0]OCTANE-3,7-DIONE?
Chemical properties
white to light yellow crystal powde
Synthesis Reference(s)
Tetrahedron Letters, 9, p. 4885, 1968 DOI: 10.1016/S0040-4039(00)72784-5
General Description
Olefination of cis-1,5-dimethylbicyclo[3.3.0]octane-3,7-dione with (carbethoxyethylidene)triphenylphospharane under controlled microwave heating has been investigated. It reacts with carbon disulfide, strong base and an alkylating agent in dipolar aprotic solvents to yield racemic mixtures of 2-dialkylthio-methylene compounds.
Properties of CIS-1,5-DIMETHYLBICYCLO[3.3.0]OCTANE-3,7-DIONE
| Melting point: | 228-230 °C(lit.) |
| Boiling point: | 254.44°C (rough estimate) |
| Density | 1.0060 (rough estimate) |
| refractive index | 1.4930 (estimate) |
| color | Faint yellow/faint beige |
| CAS DataBase Reference | 21170-10-5(CAS DataBase Reference) |
Safety information for CIS-1,5-DIMETHYLBICYCLO[3.3.0]OCTANE-3,7-DIONE
| 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. 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 CIS-1,5-DIMETHYLBICYCLO[3.3.0]OCTANE-3,7-DIONE
CIS-1,5-DIMETHYLBICYCLO[3.3.0]OCTANE-3,7-DIONE manufacturer
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product: .21170-10-5 98%+
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