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Diethyl-difluoro-stannane, also known as (diethylamino)difluorostannane, is an organotin compound with the chemical formula (C2H5)2NSnF2. It is a colorless liquid that is sensitive to air and moisture. diethyl-difluoro-stannane is primarily used as a catalyst in various chemical reactions, particularly in the production of polyurethane foams and as a curing agent for epoxy resins. Due to its reactivity, it is typically handled under an inert atmosphere to prevent unwanted side reactions. The compound's properties, such as its low toxicity and high reactivity, make it a valuable intermediate in the synthesis of other organotin compounds used in various industrial applications.

649-48-9

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649-48-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 649-48-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,4 and 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 649-48:
(5*6)+(4*4)+(3*9)+(2*4)+(1*8)=89
89 % 10 = 9
So 649-48-9 is a valid CAS Registry Number.
InChI:InChI=1/2C2H5.2FH.Sn/c2*1-2;;;/h2*1H2,2H3;2*1H;/q;;;;+2/p-2/rC4H10F2Sn/c1-3-7(5,6)4-2/h3-4H2,1-2H3

649-48-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name diethyl(difluoro)stannane

1.2 Other means of identification

Product number -
Other names diethyltin difluoride

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:649-48-9 SDS

649-48-9Downstream Products

649-48-9Relevant academic research and scientific papers

Dialkyltin(IV) difluorides: Synthesis and study of their state in solutions

Kokunov,Ershova,Rakov,Sakharov

, p. 608 - 610 (2008/10/08)

Dialkyltin difiuorides Bu2SnF2 and Et2SnF2 were synthesized by reacting R2SnO with hydrofluoric acid and heating. Solutions of Bu2SnF2 and Bu2SnCl2 in different organic solvents were studied by 119Sn, 19F, 13C, and 1H NMR spectroscopy. The conclusion is drawn that dialkyltin dihalides partially dissociate in solutions.

THE SYNTHESIS AND TIN-119m MOESSBAUER SPECTRA OF SOME DIORGANOTIN DIHALIDE AND DIPSEUDOHALIDE COMPLEXES WITH NITROGEN AND OXYGEN-DONOR LIGANDS

Crowe, Alan J.,Smith, Peter J.

, p. 223 - 236 (2007/10/02)

The synthesis and 119mSn Moessbauer spectra of 114 complexes of the type R2SnX2, L2 (R = Me, Et, n-Pr, n-Bu, n-Oct, Ph, Bz; X = F, Cl, Br, I, NCS; L2 = 2 monodentate or 1 bidentate O- or N-donor ligand(s)), 74 of which are new, are reported.The majority of the complexes are isostructural, having an octahedral trans-R2SnX4 geometry about tin, whilst five of the diphenyltin complexes (R = Ph; X = Cl; L2 = AMP, Nphen; X = NCS; L2 = bipy, phen, TMphen) adopt a cis-R2SnX4 octahedral structure.A convenient method for the synthesis of a number of novel 1:1 diorganotin difluoride complexes using hot acetonitrile is reported and a structure for the unusual adduct, Ph2SnF2 * 0.5 phen, is proposed.

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