Tetramethyldistiban

Base Information

• Chemical Name: Tetramethyldistiban
• CAS No.: 41422-43-9
• Molecular Formula: C₄H₁₂Sb₂
• Molecular Weight: 303.639
• NSC Number: 613262
• DSSTox Substance ID: DTXSID701319253
• Mol file: 41422-43-9.mol

Synonyms:Tetramethyldistiban;Tetramethyldistibane;NSC613262;DTXSID701319253;NSC-613262

Chemical Property of Tetramethyldistiban

Chemical Property:

• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 303.90193
• Heavy Atom Count: 6
• Complexity: 7.5

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s): 3
• Hazard Codes: 3

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C[Sb]C.C[Sb]C

Technology Process of Tetramethyldistiban

There total 6 articles about Tetramethyldistiban 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: 60.0%

dimethylantimony bromide (53234-94-9) → o-phenylenebis(dimethylstibine) (53234-97-2) + tetramethyldistibane (41422-43-9)

Guidance literature:

With sodium; In tetrahydrofuran; addn. of BrC6H4-2-I to (CH3)2SbBr/Na mixt., evapn. of NH3, refluxing of residue with THF, evapn., hydrolyzing with ether/water; distn. of ether layer at 46-47°C (0.5 Torr);

DOI:10.1016/S0022-328X(00)92041-2

Reference yield: 22.0%

(o-bromophenyl)dimethylstibine (34666-93-8) + sodium (7440-23-5) + dimethylantimony bromide (53234-94-9) → o-phenylenebis(dimethylstibine) (53234-97-2) + tetramethyldistibane (41422-43-9) + dimethyl(phenyl)stibine (17585-86-3)

Guidance literature:

With ammonia; In tetrahydrofuran; ammonia; N2-atmosphere; molar ratio Me2SbBr:Na:BrC6H4SbMe2=1:2:1; addn. of Me2SbBr to Na (in liquid NH3, -78°C), stirring (3 h), dropwise addn. toBrC6H4SbMe2 (in THF, -78°C, during 3 h), slow warming to room te mp., refluxing (15 min), cooling; addn. of H2O, sepn. of org. layer, drying, distn. off of Sb2Me2, SbMe2Ph;

DOI:10.1039/DT9790001718

Reference yield:

dimethylantimony bromide (53234-94-9) → tetramethyldistibane (41422-43-9) + trimethylantimony (594-10-5)

Guidance literature:

With zinc; byproducts: ZnBr2; in closed ampule;

DOI:10.1038/116499c0

upstream raw materials:

antimony

Tetramethylblei-(IV)

methyl radical

dimethylantimony bromide

Downstream raw materials:

dimethylchlorostibine

dimethylstibine

(CH₃)2SbSC₆H₅

dimethylethylantimony