2386-38-1

Usage

Uses

Used in Agricultural Industry:
Trimethyl phosphorotetrathioate is used as a pesticide for controlling pests in various crops. It is effective in protecting plants from damage caused by insects and other pests, thereby ensuring a healthy and productive agricultural yield.
However, due to its high toxicity, trimethyl phosphorotetrathioate is heavily regulated, and its use should be handled with extreme caution to minimize exposure risks to humans and animals. Exposure to this chemical can result in symptoms such as nausea, vomiting, difficulty breathing, and muscle weakness. It is essential to follow safety guidelines and regulations to ensure the safe and responsible use of this pesticide in agriculture.

Upstream product

• 816-80-8 trithiophosphorous acid trimethyl ester 
• 14173-25-2 methyl phenyl disulfide 
• 74-88-4 methyl iodide 
• 103-72-0 phenyl isothiocyanate 
• 624-92-0 Dimethyldisulphide 
• 882-33-7 diphenyldisulfane 

Relevant academic research and scientific papers

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.

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.