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6926-73-4

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  • 3,9-Dioxa-5,6,7-trithia-4,8-diphosphaundecane,4,8-diethoxy-, 4,8-disulfide (9CI)

    Cas No: 6926-73-4

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  • diethoxyphosphinothioylsulfanyldisulfanyl-diethoxy-sulfanylidene--phosphane

    Cas No: 6926-73-4

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6926-73-4 Usage

General Description

Bis(diethoxythiophosphinoyl) trisulphide is a chemical compound with the formula (C2H5O)2P(S)SSS. It belongs to the organophosphorus compounds and contains three sulfur atoms bonded to three phosphorus atoms. The compound is a yellowish solid and is used as a precursor for the synthesis of organic sulfur compounds and as a catalyst in various chemical reactions. It is also known for its use as a flame-retardant additive in polymers and textiles. Additionally, bis(diethoxythiophosphinoyl) trisulphide has potential applications in the pharmaceutical and agricultural industries for its ability to inhibit enzymes and protect against pests. However, it is important to handle this compound with care due to its toxic and flammable nature.

Check Digit Verification of cas no

The CAS Registry Mumber 6926-73-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,9,2 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6926-73:
(6*6)+(5*9)+(4*2)+(3*6)+(2*7)+(1*3)=124
124 % 10 = 4
So 6926-73-4 is a valid CAS Registry Number.
InChI:InChI=1/C22H21N3O2S2/c1-14(2)24-21(26)13-29-22-18(12-23)17(20-5-4-10-28-20)11-19(25-22)15-6-8-16(27-3)9-7-15/h4-11,14H,13H2,1-3H3,(H,24,26)

6926-73-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name (diethoxyphosphinothioyltrisulfanyl)-diethoxy-sulfanylidene-λ<sup>5</sup>-phosphane

1.2 Other means of identification

Product number -
Other names bis(diethoxyphosphoryl)trisulphide

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

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More Details:6926-73-4 SDS

6926-73-4Relevant articles and documents

CRYSTAL STRUCTURE, SOLID-STATE NMR, AND QUANTUM CHEMICAL MODEL CALCULATIONS OF BIS-(DIETHOXYTHIOPHOSPHORYL)-TRISULFANE

Grossmann, Gisbert,Schwab, Birgit,John, Andreas,Komber, Hartmut,Jeschke, Gunnar,Sieler, Joachim

, p. 297 - 308 (2007/10/02)

Crystals of (EtO)2P(S)SSSP(S)(OEt)2 are triclinic, P, with a = 8.388(1), b = 11.128(2), c = 12.518(1) Angstroem, α = 62.34(6), β = 71.93(2), γ = 84.97(5) deg, V = 981.6(6) Angstroem3, Z = 2, and Dc = 1.36 g/cm3.The final refinement using 3681 observed reflections for 252 variables gives R = 0.057.The two molecules in the elementar cell are conformation enantiomers.The 31P CP MAS spectra show two spinning sideband systems, because the two phosphorus atoms of one molecule are chemically nonequivalent in the crystal.The resolution in the 13C CP MAS spectrum allows to distinguish four lines for the methyl groups and three lines for the methylene groups.NDDO and INDO calculations show, that the conformations with dihedral angles PSSS of ca. 90 deg have the lowest energies and those with 180 or 0 deg have considerably higher energies.The relatively high coupling constants4JPP of bis-(dialkoxythiophosphoryl)-trisulfanes in solution are not caused by conformations with W-like or other plane positions of the PSSSP nuclei. Key words: Crystal structure; CP MAS NMR; chemical shift anisotropy; quantum chemical calculations; dithiophosphoric; thiophosphoryl trisulfane.

TAUTOMERIC TRANSFORMATIONS OF PHOSPHORYLATED s-TRIAZINES AND s-TRIAZINE-2,4,6(1H, 3H, 5H)-TRIONES

Zimin, M. G.,Fomakhin, E. V..,Pudovik, A. N.,Zheleznova, L. V.,Gol'dfarb, E. I.

, p. 667 - 673 (2007/10/02)

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REDOX REACTIONS OF ANTIMONY(III) O,O-DISUBSTITUTED PHOSPHORODITHIOATES WITH FERRIC CHLORIDE

Woo, Edward J.,Kalbacher, Barbara J.,McEwen, William E.

, p. 269 - 278 (2007/10/02)

The reaction of antimony(III) tris-(O,O-diethylphosphorodithioate) with three equivalents of ferric chloride in ether solution has been found to give ferrous chloride, bis-(O,O-diethylthiophosphoryl) disulfide and dichloroantimony O,O-diethyl phosphorodithioate as the major products.However, a relatively low yield of bis-(O,O-diethylthiophosphoryl) trisulfide was also obtained.The structures of these products were established by independent syntheses.Several additional antimony(III) tris-(O,O-disubstituted phosphorodithioates) were prepared, and the major organic product obtained by reaction of each of these compounds with three equiva lents of ferric chloride was the corresponding bis-(O,O-disubstituted thiophosphoryl) disulfide.A mechanism for this reaction has been suggested, and evidence in support of the mechanism has been presented.The various antimony(III) tris-(O,O-dialkyl phosphorodithioates) are passivating agents in petroleum refining.The results reported in this and in our previous papers indicate that such compounds undergo a variety of reactions with components of crude petroleum prior to the ultimate pyrolysis reactions which occur in the fluid catalytic cracking process.

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