3820-71-1

Usage

Uses

Used in Pesticide Industry:
Triphenyl phosphorotetrathioate is used as an insecticide for controlling and eliminating various insect pests in agricultural settings. It operates by inhibiting the activity of acetylcholinesterase in insects, disrupting their nervous system and causing paralysis, which ultimately results in their death. This application helps protect crops from insect damage, thereby ensuring higher yields and food security.
Used in Insecticide Formulations:
In the insecticide industry, triphenyl phosphorotetrathioate is used as an active ingredient in various formulations designed to target specific pests. Its high toxicity makes it effective against a wide range of insects, including those that are resistant to other insecticides. However, due to its potential risks to human health and the environment, its use is carefully regulated and often limited to situations where alternative pest control methods are insufficient or impractical.

Upstream product

• 1095-04-1 triphenyl thiophosphite 
• 108-98-5 thiophenol 
• 108-88-3 toluene 
• 14684-25-4 Dichlor(phenylthio)phosphan 
• 882-33-7 diphenyldisulfane 
• 6095-82-5 2,4,6-trimethylphenyl isothiocyanate 
• 930-69-8 sodium thiophenolate 

Downstream Products

• 10258-61-4 phenyl dichlorodithiophosphate 
• 60118-15-2 trans-2.4-diphenylsulfanyl-1.3-dithia-2.4-diphosphetane-2.4-disulfide 

Relevant academic research and scientific papers

The Reaction of Bunsen's Cacodyl Disulfide, Me2As(S)-S-AsMe2, with Iodine: Preparation and Properties of Dimethylarsinosulfenyl Iodide, Me2As-S-I

Bunsen's cacodyl disulfide, Me2As(S)-S-AsMe2 (1), reacted with iodine giving the novel dimethylarsinosulfenyl iodide, Me2As-S-I (3) although theoretical calculations indicated that the AsV compound Me2As(S)-I (4) was more stable in the gas phase. The oily product was stable neat and as a solution in CDCl3 at +4 °C and -20 °C for at least 15 d. Light, H2O, H2O2, and Zn dust, but not NaI or Ag, decomposed it. Compound 3 did not interact with Ph3N, with Ph2NH and PhNH2 it interacted but not reacted. 3 was decomposed by piperidine, with pyridine and 4-dimethylaminopyridine it interacted and produced Me2As-SS-AsMe2 (2) and I2 that formed charge transfer complexes Base·I2, whereas Et3N decomposed 3, and 3Et3N·2I2 was isolated. 3 was desulfurized by Ph3P and (Me2N)3P completely, and by (PhO)3P and (PhS)3P partially. The reactions of 3 with (Me2N)3P, (PhS)3P, and (EtO)3P were complicated. From the AsIII nucleophiles, only Ph3As was bound, while (PhS)3As reacted slowly in a complicated manner with 3. No interaction of 3 with MeOH or PhOH was observed but NaOH, Ag2O, and PhONa decomposed it. Thiophenol produced traces of Me2As-SPh (10) and sodium thiophenolate attacked mainly at AsIII of 3. Thus, externally stabilized sulfenium ions of the type Me2As-S-Nu+I- were not obtained.

Kinetics of Reaction of Diphenylphosphinic Dihydrazide with Electrophilic Reagents in the Presence of Organic Bases

Kinetics of the reactions of diphenylphosphinic dihydrazide with mesityl isothiocyanate, phenyl isothiocyanate, and picryl chloride in the presence of nitrogen-, oxyden-, and sulfur-containing organic bases in benzene at 25°C are studied. Accelerating effect of nitrogen- and oxygen-containing bases in the reactions of diphenylphosphinic hydrazide with all the studied electrophilic reagents correlates with the ability of these catalysts to form hydrogen bonds (pKHB). Sulfur-containing compounds practically do not exhibit catalytic properties in the studied systems. With increasing substrate reactivity, the catalytic effect of organic catalysts decreases.

REACTION OF 2-DIETHYLAMINO-3-DIETHYLAMINOMETHYL-1,3,2-BENZOXAZAPHOSPHOLINE WITH THIOLS

The reaction of 2-diethylamino-3-diethylaminomethyl-1,3,2-benzoxazaphospholine with an equimolar amount of benzenethiol occurs with rupture of the N-CH2 bond and formation of 2-diethylamino-1,3,2-benzoxazaphospholine. With excess of benzenethiol more deep transformations occur, up to formation of triphenyl phosphorotrithioite. A method for preparation of diethylammonium diphenyl tetrathiophosphate was found. Reactions of 2-diethylamino-3-diethylaminomethyl-1,3,2-benzoxazaphospholine with ethyl mercaptoacetate and mercaptoacetic anilide were examined.

Reactions of Tetraphosphorus Trisulphide with Organic Disulphides under Ultraviolet Irradiation, and with Sulphuryl Chloride

P4S3 under glass-filtered u.v. irradiation is rapidly cleaved by alkyl and aryl disulphides to give tetrathiophosphate esters, SP(SR)3, and trithiophosphite esters, P(SR)3 (R = Me or Ph), in quantitative yield, as measured in the product mixture by 31P and 1H n.m.r. spectroscopy.No sulphurisation of P4S3 was found.In a competition reaction, MeSSMe and PhSSPh reacted to a similar extent with P4S3 to give all eight possible products SxP(SPh)n(SMe)(3-n) (x = O or 1, n = 0-3) in relative quantities within each oxidation state approximating to a statistical distribution of ligands, but there was more MeS substitution of the phosphorus (V) produts and more PhS substitution of the phosphorus(III) products.Reaction of MeSSPh with P4S3 gave similar results.Redistribution of ligands took place when a mixture of P(SMe)3 and P(SPh)3 was photolysed, and photolysis of a mixture of P(SMe)3 and MeSSPh caused the PhS group to be distributed between the trithiophosphite and disulphide sites.P(SMe)3 and P(SPh)3 were not sulphurised by MeSSMe and PhSSPh respectively, but P(SMe)3 was sulphurised to SP(SMe)3 to a small extent by MeSSPh.P4S3 is similarly cleaved by sulphuryl chloride, but under thermal conditions, to give SPCl3 and PCl3, with no evidence for intermediates.