Cyclooctaselenium

Base Information

Chemical Name:Cyclooctaselenium
CAS No.:12597-33-0
Molecular Formula:Se8
Molecular Weight:631.68
Hs Code.:
DSSTox Substance ID:DTXSID10155010
Wikidata:Q27116985
Mol file:12597-33-0.mol

Synonyms:Cyclo(octaselenium);Octaatomic selenium; Octaselenium; Se8; Selenium (Se8); Selenium cluster (Se8);Selenium molecule (Se8); Selenium octaatomic mol.

Suppliers and Price of Cyclooctaselenium

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Total 7 raw suppliers

Chemical Property of Cyclooctaselenium

Chemical Property:

Boiling Point:°Cat760mmHg
Flash Point:°C
PSA：0.00000
Density:g/cm³
LogP:-3.04640
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:0
Rotatable Bond Count:0
Exact Mass:631.33644
Heavy Atom Count:8
Complexity:24

Purity/Quality:: 98%min ^*data from raw suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:[Se]1[Se][Se][Se][Se][Se][Se][Se]1

Technology Process of Cyclooctaselenium

There total 28 articles about Cyclooctaselenium which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 85.0%

: potassium cyanide

: selenium

: 12597-33-0
selenium

Guidance literature:: With HCl; In methanol; water; byproducts: HCN; KCN and Se mixed in CH3OH/H2O (1/2) at ambient temp. for 20 h, filtered, concd. HCl added dropwise to the filtrate over 40 min; filtered, washed (H2O and CH3OH), dried;

Reference yield: 76.0%

: 18243-89-5
bissulphane

: 10026-03-6
selenium tetrachloride

: 12597-33-0
red selenium

1,5-Se₂S₂N₄: 1,5-Se₂S₂N₄

Guidance literature:: In carbon disulfide; byproducts: Me3SiCl; Ar-atmosphere; addn. of amide to 1 equiv. SeCl4 at -70°C, stirring overnight with warming to room temp. (pptn.); collection (filtration), washing (CH2Cl2);

Reference yield: 72.0%

: 7791-25-5
sulfuryl dichloride

: 10545-99-0
sulfur dichloride

: 128644-33-7
Bisselenane

: 12597-33-0
red selenium

1,5-Se₂S₂N₄: 1,5-Se₂S₂N₄

Guidance literature:: In dichloromethane; byproducts: Me3SiCl, SO2; Ar-atmosphere; equimolar amts.; dropwise addn. of mixt. of SCl2 and SO2Cl2 to Se-compd. at -70°C, stirring overnight (pptn.); collection (filtration), washing (CH2Cl2);