Dibutyltin dibromide

Base Information

• Chemical Name: Dibutyltin dibromide
• CAS No.: 996-08-7
• Molecular Formula: C8H18 Br2 Sn
• Molecular Weight: 392.749
• Hs Code.: 2931900090
• European Community (EC) Number: 621-835-2
• DSSTox Substance ID: DTXSID90244153
• Mol file: 996-08-7.mol

Synonyms:Dibutyltin dibromide;996-08-7;Dibromodibutyltin;dibromo(dibutyl)stannane;Stannane, dibromodibutyl-;Dibromodibutylstannane;Tin, dibutyl-, dibromide;DI-N-BUTYLDIBROMOTIN;Dibutyl tin dibromide;di-n-Butyldibrmotin;dibromo-dibutylstannane;di-n-butyltin dibromide;QSHZUFRQHSINTB-UHFFFAOYSA-;DTXSID90244153;MFCD00000050;AKOS015916127;LS-146499

Chemical Property of Dibutyltin dibromide

Chemical Property:

• Vapor Pressure: 0.0108mmHg at 25°C
• Melting Point: 20°C
• Refractive Index: 1.545
• Boiling Point: 150°C 10mm
• Flash Point: 117.9°C
• PSA: 0.00000
• Density: g/cm³
• LogP: 4.81860
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 6
• Exact Mass: 393.87768
• Heavy Atom Count: 11
• Complexity: 84.1

Purity/Quality:

98%Min ^*data from raw suppliers

Safty Information:

• Pictogram(s): A poison by ingestion. Moderately toxic by skin contact. TWA 0.1 mg(Sn)/m³; STEL 0.2 mg(Sn)/m³ (skin).
• Hazard Codes: C
• Statements: 20/21/22-34
• Safety Statements: 26-27-28-36/37/39-45

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCCC[Sn](CCCC)(Br)Br

Technology Process of Dibutyltin dibromide

There total 14 articles about Dibutyltin dibromide 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: 84.0%

1-bromo-butane (109-65-9) + tin (7440-31-5) → tributyltin bromide (1461-23-0) + dibutyltin dibromide (996-08-7)

Guidance literature:

With catalyst: dibenzo-18-crown-6; In N,N-dimethyl-formamide; 100°C; 6 h; excess KI;; analyzed by GLC;;

DOI:10.1016/0022-328X(87)80275-9

Reference yield: 40.0%

di-n-butyldiphenyltin (6452-61-5) → dibutylphenylstannyl bromide (2322-57-8) + dibutyltin dibromide (996-08-7)

Guidance literature:

With Br₂; In tetrachloromethane; 0°C; destillation in vacuo;

DOI:10.1039/DT9810000552

Reference yield:

bromine (7726-95-6) + divinyldibutyltin (7330-43-0) → Vinyl bromide (593-60-2,25951-54-6) + dibutyltin dibromide (996-08-7) + dibutyl-vinyl tin (1+); bromide (92148-29-3)

Guidance literature:

DOI:10.1021/ja01566a029

upstream raw materials:

1-bromo-butane

tin

tetra-n-butyltin(IV)

boron tribromide

Downstream raw materials:

{(C₆H₅)3Sn}2Sn(C₄H₉)2

hexaphenylditin

tetra-n-butyltin(IV)

dibutylphenylstannyl bromide

Refernces

• 1、 Ugo, R.,Chiesa, A.,Fusi, A.. "A highly selective synthesis of R2SnX2 (R = alkyl, X = Br, Cl) species directly from tin and alkyl halides". . p. 25 - 30. Retrieved 2007/10/02.
• 2、 Das, V. G. Kumar,Weng, Ng Seik,Smith, Peter J.,Hill, Robin. "Group 4 Organometallic Compounds. Part 8. Preparation and Moessbauer Spectra of Five- and Six-co-ordinate Di- and Tri-organotin Compounds containing Mixed Phenyl and Butyl Groups on Tin". . p. 552 - 558. Retrieved 2007/10/02.