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: 2025-01-27 09:38:02
![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
New Products
(E)-1-Ethoxyethene-2-boronic Acid Pinacol Ester 1,3-Diethyl-1,3-Diphenylurea 3-(4-morpholinophenylamino)-5-amino-1H-pyrazole-4-carbonitrile Methyl 2-methylquinoline-6-carboxylate 2,4-dihydroxybenzaldehyde 2-((4-morpholinophenylamino) (methylthio) methylene) malononitrile 1,3-Di Iodo Benzene Methyl 2-oxo-2,3-dihydrobenzo[d]oxazole-7-carboxylate 4-(2-Aminoethyl)-7-hydroxy-2H-chromoen-2-one 3-Hydroxy-4-nitrobromobenzene 2-Ethyl-1,4-diaminobenzene 2-Ethylhexyl 4-aminobenzoate Thio AcetamideRelated products of tetrahydrofuran
![2-Methyl-octahydro-pyrrolo[3,4-c]pyrrole](https://img.chemicalbook.in/CAS/GIF/CB31456766.gif)
![CIS-BICYCLO[3.3.0]OCTANE-3,7-DIONE](https://img.chemicalbook.in/CAS/GIF/51716-63-3.gif)
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