CAS 21170-10-5|cis-1,5-dimethylbicyclo[3.3.0]octane-3,7-dione

Introduction：Basic information about CAS 21170-10-5|cis-1,5-dimethylbicyclo[3.3.0]octane-3,7-dione, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Articles2
5. Synonyms

Common Name	cis-1,5-dimethylbicyclo[3.3.0]octane-3,7-dione
CAS Number	21170-10-5	Molecular Weight	166.21700
Density	1.142g/cm3	Boiling Point	257.5ºC at 760 mmHg
Molecular Formula	C₁₀H₁₄O₂	Melting Point	228-230ºC(lit.)
MSDS	USA	Flash Point	95ºC

Names

Name	3a,6a-dimethyl-1,3,4,6-tetrahydropentalene-2,5-dione
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.142g/cm3
Boiling Point	257.5ºC at 760 mmHg
Melting Point	228-230ºC(lit.)
Molecular Formula	C₁₀H₁₄O₂
Molecular Weight	166.21700
Flash Point	95ºC
Exact Mass	166.09900
PSA	34.14000
LogP	1.72480
Vapour Pressure	0.0145mmHg at 25°C
Index of Refraction	1.522
InChIKey	KGZWVKASYOPUET-UHFFFAOYSA-N
SMILES	CC12CC(=O)CC1(C)CC(=O)C2

Safety Information

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi
Safety Phrases	24/25
RIDADR	NONH for all modes of transport
WGK Germany	3

Articles2

Microwave-assisted regioselective olefinations of cyclic mono-and di-ketones with a stabilized phosphorus ylide. Wu J, et al.

Tetrahedron 62(19) , 4643-50, (2006)

DITHIOCARBOXYLIERUNGSREAKTIONEN VON cis-BICYCLO [3.3. 0] OCTAN-3, 7-DIONEN. MOLEKÜL-UND KRISTALLSTRUKTUR VON cis-2, 6-BIS (DIMETHYLTHIO-METHYLEN)-BICYCLO [3.3. 0] OCTAN-3, 7-DION. Dölling W, et al.

Phosphorus. Sulfur. Silicon Relat. Elem. 113(1-4) , 263-74, (1996)

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

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