O,O,O,O-tetramethyl thiodiphosphate

Base Information

• Chemical Name: O,O,O,O-tetramethyl thiodiphosphate
• CAS No.: 51120-35-5
• Molecular Formula: C4H12O6P2S
• Molecular Weight: 250.147
• Mol file: 51120-35-5.mol

Synonyms:4-01-00-01262 (Beilstein Handbook Reference);Thiodiphosphoric acid (((OH)2P(S))2O), tetramethyl ester;

Chemical Property of O,O,O,O-tetramethyl thiodiphosphate

Chemical Property:

• Vapor Pressure: 0.0792mmHg at 25°C
• Refractive Index: 1.463
• Boiling Point: 234.8°Cat760mmHg
• Flash Point: 95.8°C
• Density: 1.37g/cm³

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of O,O,O,O-tetramethyl thiodiphosphate

There total 4 articles about O,O,O,O-tetramethyl thiodiphosphate 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:

bis(O,O-dimethylphosphoryl) disulfide (7439-49-8) + potassium cyanide (151-50-8) → Thiophosphorsaeure-anhydrid-O,O,O,O-tetramethylesters (51120-35-5)

Guidance literature:

With acetone;

Reference yield:

μ-thio-diphosphoric acid tetraisopropyl ester (22665-49-2) → Thiophosphorsaeure-anhydrid-O,O,O,O-tetramethylesters (51120-35-5)

Guidance literature:

slow decomposition;

Reference yield:

tetramethyl symmetrical monothiopyrophsophate (71861-22-8) → Thiophosphorsaeure-anhydrid-O,O,O,O-tetramethylesters (51120-35-5)

Guidance literature:

slow decomposition;

upstream raw materials:

bis(O,O-dimethylphosphoryl) disulfide

potassium cyanide

acetone

μ-thio-diphosphoric acid tetraisopropyl ester

Refernces