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Bicyclo[4.2.0]octane is a cyclic hydrocarbon compound with the molecular formula C8H12. It features a unique bicyclic structure, where one ring has four carbon atoms and the other has three, with the two rings sharing two adjacent carbon atoms. This arrangement results in a strained molecule due to the presence of a quaternary carbon center and an angle strain in the four-membered ring. Bicyclo[4.2.0]octane is a colorless liquid with a pungent odor and is insoluble in water. It is used as an intermediate in the synthesis of various organic compounds and can be found in trace amounts in petroleum. Due to its strained structure, bicyclo[4.2.0]octane is less stable than other cycloalkanes and can undergo reactions such as ring-opening and rearrangements under certain conditions.

278-30-8

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278-30-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 278-30-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,7 and 8 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 278-30:
(5*2)+(4*7)+(3*8)+(2*3)+(1*0)=68
68 % 10 = 8
So 278-30-8 is a valid CAS Registry Number.
InChI:InChI=1/C8H14/c1-2-4-8-6-5-7(8)3-1/h7-8H,1-6H2

278-30-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name bicyclo[4.2.0]octane

1.2 Other means of identification

Product number -
Other names Benzocyclobutene,1,2-dihydro

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:278-30-8 SDS

278-30-8Relevant academic research and scientific papers

Investigations into the Mechanism of Inter- And Intramolecular Iron-Catalyzed [2 + 2] Cycloaddition of Alkenes

Chirik, Paul J.,Hoyt, Jordan M.,Joannou, Matthew V.

supporting information, p. 5314 - 5330 (2020/04/10)

Mechanistic studies are reported on the inter- and intramolecular [2 + 2] alkene cycloadditions to form cyclobutanes promoted by (tricPDI)Fe(N2) (tricPDI = 2,6-(2,4,6-tricyclopentyl)C6H2N = CMe)2

BICYCLOOCTA-2,6-DIEN-8-YLIDENE (HOMO-7-NORBORNADIENYLIDENE), A "FOILED" CARBENE

Brinker, Udo H.,Koenig, Lothar

, p. 45 - 48 (2007/10/02)

Bicycloocta-2,6-dien-8-ylidene nearly exclusively rearranges by 1,2-vinyl migrations.The interaction with the double bond of the six-membered ring dominates.

EFFECT OF THE STRUCTURE OF BICYCLIC CARBENES ON THE DIRECTION OF THEIR STABILIZATION

Levashova, T. V.,Semeikin, O. V.,Balenkova, E. S.

, p. 53 - 56 (2007/10/02)

By pyrolysis of the sodium salts of bicyclooctan-2-one and bicyclononan-2-one tosylhydrazones the corresponding carbenes were generated.The first of them undergoes fragmentation with the formation of 1-octen-7-yne and rearrangement to bicyclooct-6-ene, and the second rearranges to bicyclodec-8-ene and forms the products from transannular insertion, i.e., tricyclo2,4>decane and tricyclo2,4>decane.The difference in the direction of stabilization in these carbenes is due to the geometry of the arrangement of the three-membered ring in relation to the vacant p orbital.

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