Pyraclofos

Base Information

• Chemical Name: Pyraclofos
• CAS No.: 77458-01-6
• Molecular Formula: C14H18ClN2O3PS
• Molecular Weight: 360.801
• Hs Code.: 29331990
• Mol file: 77458-01-6.mol

Synonyms:O-[1-(4-Chlorophenyl)-1H-pyrazol-4-yl] O-ethyl S-propyl phosphorothioate

Chemical Property of Pyraclofos

Chemical Property:

• Vapor Pressure: 5.52E-08mmHg at 25°C
• Melting Point: 25°C
• Boiling Point: 454oC
• Flash Point: 228.1°C
• PSA: 88.46000
• Density: 1.271 g/cm3 (28 C)
• LogP: 5.19230
• Storage Temp.: 0-6°C
• Water Solubility.: 33

Purity/Quality:

98%min ^*data from raw suppliers

OXO-[1-(4-CHLOROPHENYL)-1H-PYRAZOL-4-YL] OXO-ETHYL S-PROPYL PHOSPHOROTHIOATE 98.00% ^*data from reagent suppliers

Safty Information:

• Hazard Codes: Xi,Xn
• Statements: 22

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Uses: Pyraclofos is used to control Lepidoptera, Coleoptera, mites and nematodes in fruit, vegetables, ornamentals and forestry. It has also been used in a human health application to control filarial worms.

Technology Process of Pyraclofos

There total 4 articles about Pyraclofos 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:

O-[1-(4-chlorophenyl)pyrazol-4-yl]-O,O-diethyl phosphite (84260-11-7) + Dipropyl disulfide (629-19-6) → (RS)-O-1-(4-chlorophenyl)pyrazol-4-yl O-ethyl S-propyl phosphorothioate (77458-01-6,89784-60-1)

Guidance literature:

With sodium hydroxide; sulfuryl dichloride; In toluene;

Reference yield:

1-(4-chlorophenyl)-1H-pyrazol-4-ol (77458-30-1) + O-ethyl-S-propyl phosphorochloridate (7651-98-1) → (RS)-O-1-(4-chlorophenyl)pyrazol-4-yl O-ethyl S-propyl phosphorothioate (77458-01-6,89784-60-1)

Guidance literature:

With triethylamine; In acetonitrile;

Reference yield:

sodium O-ethyl-O-[1-(4-chlorophenyl)pyrazol-4-yl]phosphorothiolate (96381-04-3) + propyl bromide (106-94-5) → (RS)-O-1-(4-chlorophenyl)pyrazol-4-yl O-ethyl S-propyl phosphorothioate (77458-01-6,89784-60-1)

Guidance literature:

In ethanol; toluene;

upstream raw materials:

sodium O-ethyl-O-[1-(4-chlorophenyl)pyrazol-4-yl]phosphorothiolate

propyl bromide

O-[1-(4-chlorophenyl)pyrazol-4-yl]-O,O-diethyl phosphite

Dipropyl disulfide

Refernces

• 1、 -. "Pyrazol-4-yl phosphates and insecticidal and acaricidal use". . . Retrieved 2008/06/13.