O,O-Dimethyl dithiophosphate

Base Information

• Chemical Name: O,O-Dimethyl dithiophosphate
• CAS No.: 756-80-9
• Molecular Formula: C2H7 O2 P S2
• Molecular Weight: 158.182
• European Community (EC) Number: 212-053-9
• UNII: 4K09JRW4Z6
• DSSTox Substance ID: DTXSID5027306
• Nikkaji Number: J2.109A
• Wikipedia: Dimethyl_dithiophosphoric_acid
• Wikidata: Q17190515
• Metabolomics Workbench ID: 74827
• Mol file: 756-80-9.mol

Synonyms:DMDTP;O,O-dimethyl phosphorodithioate;O,O-dimethyl phosphorodithioate, ammonia salt;O,O-dimethyl phosphorodithioate, copper (+1) salt;O,O-dimethyl phosphorodithioate, copper (+2) salt;O,O-dimethyl phosphorodithioate, potassium salt;O,O-dimethyl phosphorodithioate, sodium salt;O,O-dimethyl phosphorodithioate, sodium salt dihydrate;O,O-dimethyldithiophosphate

Chemical Property of O,O-Dimethyl dithiophosphate

Chemical Property:

• Vapor Pressure: 0.627mmHg at 25°C
• Refractive Index: 1.535
• Boiling Point: 65℃
• PKA: -0.10±0.30(Predicted)
• Flash Point: 71.2oC
• PSA: 99.16000
• Density: 1.29
• LogP: 2.08410
• Storage Temp.: -20°C
• Water Solubility.: 226g/L at 20℃
• XLogP3: 1.7
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 2
• Exact Mass: 157.96250881
• Heavy Atom Count: 7
• Complexity: 85.7

Purity/Quality:

99.9% ^*data from raw suppliers

O,O'-Dimethyl Dithiophosphate ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Other Classes -> Organophosphates, Other
• Canonical SMILES: COP(=S)(OC)S
• Uses: O,O'-Dimethyl Dithiophosphate can be used as a pesticide intermediate, mainly for the preparation of organophosphorus pesticides such as dimethoate and malathion.

Technology Process of O,O-Dimethyl dithiophosphate

There total 12 articles about O,O-Dimethyl dithiophosphate 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: 97.0%

methanol (67-56-1) → O,O-dimethyl phosphorodithioic acid (756-80-9)

Guidance literature:

With pyridine; dmap; tetraphosphorus decasulfide; dimethylsulfide; at 25 - 55 ℃; for 1h; under 40 Torr; Pressure; Temperature; Large scale;

Reference yield: 96.8%

ammonium O,O-dimethyl dithiophosphate → O,O-dimethyl phosphorodithioic acid (756-80-9)

Guidance literature:

Reference yield: 95.6%

→ O,O-dimethyl phosphorodithioic acid (756-80-9)

Guidance literature:

upstream raw materials:

methanol

dimethyl S-methyl phosphorodithioate

isopropyl alcohol

[(dimethoxyphosphinothioyl)thio]-butanedioic acid, diethyl ester

Downstream raw materials:

disulfidothiophosphoric acid S-S-(2,4-dinitro-phenyl ester)-O,O'-dimethyl ester

O,O-diisopropyl hydrogen phosphorodithioate

S-2-ethylthioethyl O,O-dimethyl phosphorodithioate

dithiophosphoric acid O,O'-dimethyl ester S-[1-(2-oxo-5-phenyl-[1,3,4]oxadiazol-3-yl)-ethyl] ester

Refernces

• 1、 Mastin, T. W.,Norman, G. R.,Weilmuenster, E. A.. "". . p. 1662 - 1664. Retrieved 1945.
• 2、 Millán, Daniela,Pavez, Paulina,Rojas, Mabel,Tapia, Ricardo A.. "Microwave-assisted nucleophilic degradation of organophosphorus pesticides in propylene carbonate". supporting information. p. 7868 - 7875. Retrieved 2020/11/02.
• 3、 Guo,Njardarson. "Z-Selective ring opening of vinyl oxetanes with dialkyl dithiophosphate nucleophiles". supporting information. p. 10802 - 10804. Retrieved 2013/11/06.