![cis-1,5-Dimethylbicyclo[3.3.0]octane-3,7-dione structure, CAS 21170-10-5](/structures/20000/7420_1_21170_10_5.png)
CAS Number21170-10-5
Synonyms1,5-dimethyl-bicyclo<3.3.0>octandion; 1,5-Dimethylbicyclo<3.3.0>octan-3,7-dione; cis-3a,6a-Dimethyltetrahydropentalene-2,5(1H,3H)-dione; EINECS 244-255-8; 1,5-Dimethylbicyclo<3.3.0>octan-3,7-dion; rel-(3aR,6aR)-3a,6a-diMethyl-octahydropentalene-2,5-dione; 3A,6A-DIMETHYLPERHYDROPENTALENE-2,5-DIONE; 1,5-dimethylbicyclo<3.3.0>octane-3,7-dione; cis-tetrahydro-3a,6a-dimethylpentalene-2,5(1H,3H)-dione; cis-1,5-dimethylbicyclo<3.3.0>octane-3,7-dione; MFCD00003772
Molecular FormulaC10H14O2
Molecular Weight166.22
Purity≥98%
Density1.142g/cm3
Boiling Point257.5ºC at 760 mmHg
Melting Point228-230 °C (lit.)
Appearancesolid
EINECS244-255-8
Symbol
Signal WordWarning
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 21170-10-5 |
| Catalog No. | 2A-9007420 |
| Chinese Name | 顺-1,5-二甲基二环[3.3.0]辛烷-3,7-二酮 |
| Synonyms | 1,5-dimethyl-bicyclo<3.3.0>octandion; 1,5-Dimethylbicyclo<3.3.0>octan-3,7-dione; cis-3a,6a-Dimethyltetrahydropentalene-2,5(1H,3H)-dione; EINECS 244-255-8; 1,5-Dimethylbicyclo<3.3.0>octan-3,7-dion; rel-(3aR,6aR)-3a,6a-diMethyl-octahydropentalene-2,5-dione; 3A,6A-DIMETHYLPERHYDROPENTALENE-2,5-DIONE; 1,5-dimethylbicyclo<3.3.0>octane-3,7-dione; cis-tetrahydro-3a,6a-dimethylpentalene-2,5(1H,3H)-dione; cis-1,5-dimethylbicyclo<3.3.0>octane-3,7-dione; MFCD00003772 |
| Molecular Formula | C10H14O2 |
| Molecular Weight | 166.22 |
| Purity | ≥98 |
| Density | 1.142g/cm3 |
| Boiling Point | 257.5ºC at 760 mmHg |
| Melting Point | 228-230 °C (lit.) |
| Appearance | solid |
| Storage Condition | Sealed in a cool, dry environment |
| EINECS | 244-255-8 |
| HTC | 2914.29.5000 |
| PubChem ID | 24853195 |
| MDL Number | MFCD00003772 |
| SMILES | C[C@]12CC(=O)C[C@@]1(C)CC(=O)C2 |
| InChI | 1S/C10H14O2/c1-9-3-7(11)5-10(9,2)6-8(12)4-9/h3-6H2,1-2H3/t9-,10+ |
| InChI Key | KGZWVKASYOPUET-AOOOYVTPSA-N |
| NACRES Code | NA.22 |
| UNSPSC | 12352100 |
| Hazard Symbols | Transport |
| MSDS | msds/7420_1_21170_10_5.pdf |
| Use of | 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 Name 3a,6a-dimethyl-1,3,4,6-tetrahydropentalene-2,5-dione Synonym More Synonyms Chemical & Physical Properties Molecular Formula C10H14O2 Exact Mass 166.09900 PSA 34.14000 LogP 1.72480 Index of Refraction 1.522 InChIKey KGZWVKASYOPUET-UHFFFAOYSA-N |
| Transport Info | Product name: Purity: 98.0% |
| MSDS Transport Info | Module 14. Shipping information 14.1 UN dangerous goods number European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.2 Names specified by the United Nations (UN) European Land Transport Dangerous Regulations: Non-dangerous goods IMDG Code: Non-dangerous goods International air transport dangerous goods regulations: non-dangerous goods 14.3 Transport hazard categories European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.4 Package group European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.5 Environmental hazards European Land Transport Dangerous Regulations: No International Maritime Transport Dangerous Regulations Maritime Pollutants: No International Air Transport Risk Regulations: No 14.6 Special reminder to users No data available |
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