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Cyclononene, also known as 1,3,5,7-cyclononatetraene, is a cyclic hydrocarbon compound consisting of nine carbon atoms arranged in a non-aromatic, non-alternating double bond structure. It is an interesting molecule in organic chemistry due to its unique properties and potential applications in various fields. Cyclononene is a highly reactive compound, as it contains multiple double bonds that can readily participate in addition reactions. Its structure is similar to that of benzene, but with a more flexible and less stable arrangement of carbon atoms. This molecule has been studied for its potential use in the synthesis of various organic compounds and materials, as well as its role in understanding the behavior of cyclic hydrocarbons.

933-21-1

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933-21-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 933-21-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,3 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 933-21:
(5*9)+(4*3)+(3*3)+(2*2)+(1*1)=71
71 % 10 = 1
So 933-21-1 is a valid CAS Registry Number.
InChI:InChI=1/C9H16/c1-2-4-6-8-9-7-5-3-1/h1-2H,3-9H2/b2-1-

933-21-1SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name cyclononene

1.2 Other means of identification

Product number -
Other names Cyclononene, (Z)-

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:933-21-1 SDS

933-21-1Relevant academic research and scientific papers

TERMINATION REACTIONS OF C5-C12 CYCLOALKYL RADICALS AND CARBENES

Wojnarovits, Laszlo

, p. 1449 - 1452 (2007/10/02)

Reactions of C5-C12 cycloalkyl radicals and carbenes produced during radiolysis, vacuum-u.v. photolysis, and decomposition of cycloalkanone p-tosylhydrazones were investigated.The disproportionation to combination ratios of radicals are ca. 1 and agree with the ratios of linear secondary radicals.The disproportionation smaller cycloalkyl radicals yields cis-cycloalkenes and cycloalkanes; from C9 and C10 cis- and trans-cycloalkenes and cycloalkanes and from C11 and C12 trans-cycloalkenes and cycloalkanes are produced.Both atoms of H2 given off in the elimination reaction from excited cycloalkane molecules orginate from the same carbon atom and in this process carbenes are formed.Rearrangement of small (C5, C6) and large (C11, C12) cycloalkylcarbenes in the solvent of the given cycloalkane occurs by 1,2-hydrogen migration.C7-C10 carbenes rearrange both by hydrogen atom migration and transannular insertion.

Deamination Reactions, 37. Decomposition of Bicyclononane- and Bicyclonon-2-ene-9-diazonium Ions

Kirmse, Wolfgang,Hellwig, Georg

, p. 2744 - 2754 (2007/10/02)

Bicyclononane-exo-9-diazonium ions (9) have been generated from the corresponding nitrosourea (8) and base.In weakly alkaline solution (E)-3-methoxycyclononene (11) was formed by disrotatory ring opening of (9).In the presence of sodium methoxide 1,2-cyclononadiene (13) and exo-9-methoxybicyclononane (15) were additional products, presumably arising via carbene 12.Bicyclonon-2-ene-exo-9-diazonium ions (21) decomposed without participation of the double bond to give the (Z,E)-methoxycyclononadienes 22 and 23.The 21-derived carbene 29 afforded the bicyclic ether 30 and the elusive 1,2,4-cyclononatriene (32).In contrast to its lower homologs, 29 did not undergo a carbene-carbene rearrangement (29 -> 31).

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