CAS 51120-35-5

O,O,O,O-tetramethyl thiodiphosphate

Description:

O,O,O,O-tetramethyl thiodiphosphate, with the CAS number 51120-35-5, is an organophosphorus compound primarily used as an insecticide and acaricide in agricultural applications. It is characterized by its structure, which includes a thiodiphosphate backbone with four methyl groups attached to the oxygen atoms. This compound exhibits high toxicity to a variety of pests due to its ability to inhibit acetylcholinesterase, an essential enzyme for nerve function in insects. As a result, it disrupts normal neurotransmission, leading to paralysis and death in target organisms. O,O,O,O-tetramethyl thiodiphosphate is typically a colorless to pale yellow liquid with a distinctive odor. It is soluble in organic solvents but has limited solubility in water. Due to its potential environmental and health impacts, its use is regulated in many regions, necessitating careful handling and application practices to minimize exposure to non-target organisms and humans. Proper safety measures, including personal protective equipment, are essential when working with this substance.

Formula: C₄H₁₂O₆P₂S

InChI: InChI=1/C4H12O6P2S/c1-6-11(5,7-2)10-12(13,8-3)9-4/h1-4H3

SMILES: COP(=O)(OC)OP(=S)(OC)OC

Thiodiphosphoric Acid Tetramethyl Ester (>70%)

Controlled Product

CAS: 51120-35-5

Stability Moisture Sensitive
Applications Thiodiphosphoric Acid Tetramethyl Ester is an impurity of Malathion (M111000), a pestanal and used primarily as an insecticide.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Toia, R.F., et. al.: J. Agr. Food Chem., 28, 599 (1980); Josse, R et al.: Chem. Bio., Interact., 209, 76 (2014);

Formula: C₄H₁₂O₅P₂S₂

Purity: >70%

Color and Shape: Neat

Molecular weight: 266.21

Ref: TR-T350350

Thiodiphosphoric Acid Tetramethyl-d12 Ester

Controlled Product

CAS: 51120-35-5

Applications Thiodiphosphoric Acid Tetramethyl-d12 Ester is the labeled analogue of Thiodiphosphoric Acid Tetramethyl Ester (T350350), an impurity of Malathion (M111000), a pestanal and used primarily as an insecticide.
References Toia, R.F., et. al.: J. Agr. Food Chem., 28, 599 (1980); Josse, R et al.: Chem. Bio., Interact., 209, 76 (2014);

Formula: C₄D₁₂O₅P₂S₂

Color and Shape: Neat

Molecular weight: 278.286

Ref: TR-T350352

Sulfotemp

CAS: 51120-35-5

Formula: C₄H₁₂O₅P₂S₂

Molecular weight: 266.21

Ref: 4Z-S-066001