Selenium tetrabromide

Base Information

• Chemical Name: Selenium tetrabromide
• CAS No.: 7789-65-3
• Molecular Formula: Br4Se
• Molecular Weight: 398.576
• European Community (EC) Number: 232-181-9
• UNII: 8O54YXR180
• DSSTox Substance ID: DTXSID1064871
• Wikipedia: Selenium_tetrabromide,Selenium(IV) bromide
• Wikidata: Q10925174
• Mol file: 7789-65-3.mol

Synonyms:Selenium tetrabromide;7789-65-3;SELENIUM(IV) BROMIDE;Selenium bromide (SeBr4), (T-4)-;UNII-8O54YXR180;8O54YXR180;EINECS 232-181-9;Selenium bromide (SeBr4);Br4Se;SeBr4;Br4-Se;SELENIUM TETRABROMID;DTXSID1064871;SELENIUM TETRABROMIDE [MI];MFCD00049766;(T-4)-SELENIUM BROMIDE (SEBR4);Q10925174

Chemical Property of Selenium tetrabromide

Chemical Property:

• Melting Point: 70-80oC (dec.)(lit.)
• Boiling Point: °Cat760mmHg
• Flash Point: °C
• PSA: 0.00000
• Density: g/cm³
• LogP: 3.00160
• Sensitive.: Moisture Sensitive
• Water Solubility.: Decomposes in water. Soluble in carbon disulfide, chloroform, ethyl bromide
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 399.58577
• Heavy Atom Count: 5
• Complexity: 19.1

Purity/Quality:

98%min ^*data from raw suppliers

Selenium(IV) bromide, 99% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): T
• Hazard Codes: T
• Statements: 23/24/25-34-40
• Safety Statements: 22-26-27-36/37/39-45

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: [Se](Br)(Br)(Br)Br

Technology Process of Selenium tetrabromide

There total 29 articles about Selenium tetrabromide 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:

SeO2*2HBr → selenium(IV) oxide (7446-08-4) + selenium tetrabromide (7789-65-3) + selenyl bromide (7789-51-7) + hydrogen bromide (10035-10-6,12258-64-9) + diselenium dibromide (1015938-55-2,7789-52-8)

Guidance literature:

In neat (no solvent); byproducts: Br2, H2O; heating at 115°C;;

Reference yield:

bismuth(III) bromide (7787-58-8) + selenium(IV) fluoride (13465-66-2,271781-78-3) → bismuth(III) fluoride (7787-61-3) + selenium tetrabromide (7789-65-3)

Guidance literature:

In diethyl ether; reaction of SeF4 with a solution of BiBr3 (10 %) in ether with precipitation of BiF3 and formation of an orange yellow solution of SeBr4 in ether;;

Reference yield:

SeO2*2HBr → selenium tetrabromide (7789-65-3) + selenyl bromide (7789-51-7)

Guidance literature:

With H₂SO₄ or H₃PO₄; In neat (no solvent);

upstream raw materials:

carbon selenide sulfide

bromine

selenium

iodine(I) bromide

Downstream raw materials:

selenium

selenium nitride

(C₆H₅)3C⁽¹⁺⁾*Se₃Br₁₃^(1-)=(C₆H₅)3CSe₃Br₁₃

diselenium dibromide

Refernces

• 1、 Arsenyan, Pavel,Vasiljeva, Jelena,Ivanova, Anna,Belyakov, Sergey. "Unusual N,Se-heterocycles with cyclic Se–N+ bond of isoselenazolopurinium type". . p. 96 - 98. Retrieved 2019.
• 2、 Beckmann, Illenora,Laege, Mechtild,Krebs, Bernt. "Novel oxonium halogenochalcogenates stabilized by crown ethers: [H 3O(dibromo-benzo-18-crown-6)]2[Se3Br 10] and [H5O2bis-dibromo-dibenzo-24-crown-8] 2[Se3Br8]". . p. 2518 - 2526. Retrieved 2008.