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Pirimiphos-methyl

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Identification
Molecular formula
C11H20NO3PS
CAS number
29232-93-7
IUPAC name
1-naphthyl N-dimethoxyphosphinothioyl-N-methyl-carbamate
State
State

At room temperature, pirimiphos-methyl is typically a liquid due to its low melting point, but it may also appear as a crystalline solid in different conditions.

Melting point (Celsius)
15.77
Melting point (Kelvin)
288.92
Boiling point (Celsius)
393.00
Boiling point (Kelvin)
666.15
General information
Molecular weight
305.34g/mol
Molar mass
305.3400g/mol
Density
1.2300g/cm3
Appearence

Pirimiphos-methyl is a crystalline solid or a viscous oil. It can appear as a white solid with a slight aromatic odor or as a pale yellow oil depending on its specific formulation.

Comment on solubility

Solubility of 1-naphthyl N-dimethoxyphosphinothioyl-N-methyl-carbamate

1-naphthyl N-dimethoxyphosphinothioyl-N-methyl-carbamate exhibits a unique solubility profile that is significantly influenced by its chemical structure. The solubility of this compound can be summarized as follows:

  • Polar Solvents: This compound shows enhanced solubility in polar solvents such as water and methanol due to the presence of functional groups that can engage in hydrogen bonding.
  • Non-polar Solvents: In contrast, it has varying solubility in non-polar solvents such as hexane, often limiting its use in specific applications.
  • Temperature Dependence: The solubility may increase with temperature, allowing for better purification or reaction conditions.

It's important to note that the solubility of 1-naphthyl N-dimethoxyphosphinothioyl-N-methyl-carbamate can have implications for its reactivity and biological activity. As with many compounds, understanding its solubility in different solvents can provide insights into its behavior in various environments. “Solubility is the gateway to exploring a compound's potential.” Thus, choosing the right solvent can dramatically impact the outcomes in experimental settings.

Interesting facts

Interesting Facts about 1-Naphthyl N-Dimethoxyphosphinothioyl-N-Methyl-Carbamate

The compound 1-naphthyl N-dimethoxyphosphinothioyl-N-methyl-carbamate is a fascinating chemical belonging to the class of organophosphorus compounds. Here are some interesting insights into this compound:

  • Regulatory Importance: This compound has implications in agrochemicals, particularly as a pesticide and insecticide. Its structure plays a key role in its function as an effective tool in agricultural settings.
  • Mechanism of Action: Like other carbamates, its action is based on the inhibition of acetylcholinesterase, an enzyme crucial for the proper functioning of the nervous system in insects and other organisms.
  • Synthetic Versatility: The synthesis of this compound often involves the use of phosphorus reagents, showcasing the versatility of phosphorous chemistry. This allows for modifications that can change biological activity or stability.
  • Environmental Persistence: While effective in pest control, carbamate compounds like this one can pose environmental challenges. Their breakdown products and persistence in ecosystems warrant careful handling and regulation.
  • Structural Complexity: The integration of naphthalene contributes to the compound's biological activity, highlighting the importance of aromatic systems in mediating chemical interactions in living organisms.
  • Pharmacophore Features: The presence of both phosphinothioyl and carbamate moieties suggests potential for diverse biological activities, making this compound an interesting candidate for further research in medicinal chemistry.

In summary, 1-naphthyl N-dimethoxyphosphinothioyl-N-methyl-carbamate embodies a unique intersection of chemistry, biology, and environment. Its ability to serve practical purposes while also presenting challenges in terms of efficacy and safety makes it a compound worthy of study and discussion in the fields of agricultural and environmental chemistry.

Synonyms
28782-58-3
NSC 132948
BRN 2389583
Carbamic acid, (dimethoxyphosphinothioyl)methyl-, 1-naphthyl ester
CARBAMIC ACID, N-(O,O-DIMETHYLPHOSPHOROTHIOYL)-N-METHYL-, 1-NAPHTHYL ESTER
1-Naphthyl N-(O,O-dimethylphosphorothioyl)-N-methylcarbamate
DTXSID90182960
RefChem:332676
DTXCID30105451
Carbamic acid, (dimethoxyphosphinothioyl)methyl-, 1-naphthyl ester (8CI)
NSC-132948
NSC132948
TSY4F4RT9Z
1-Naphthol, (dimethoxyphosphinothioyl)methylcarbamate