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Dimethyl phosphate

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Identification
Molecular formula
C2H7O4P
CAS number
813-78-5
IUPAC name
dimethyl phosphate;1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium
State
State

Dimethyl phosphate is typically in a liquid state at room temperature, showcasing its utility in numerous industrial applications.

Melting point (Celsius)
-30.00
Melting point (Kelvin)
243.15
Boiling point (Celsius)
183.00
Boiling point (Kelvin)
456.15
General information
Molecular weight
125.07g/mol
Molar mass
125.0730g/mol
Density
1.2899g/cm3
Appearence

Dimethyl phosphate is a colorless liquid that is soluble in water. It has a characteristic odor and displays clear and transparent properties in its liquid state. It is commonly encountered as an organic phosphate ester.

Comment on solubility

Solubility of Dimethyl Phosphate and 1-Methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium

When discussing the solubility of dimethyl phosphate and its complex counterpart 1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium, there are several fascinating aspects to consider:

  • Dimethyl Phosphate: This compound is generally known to be highly soluble in water, which is attributed to its polar structure. The presence of the phosphate group enhances its interaction with water molecules, allowing it to dissociate effectively in aqueous solutions.
  • 1-Methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium: In contrast, this ionic compound tends to show a variable solubility profile. Its solubility can be influenced by factors such as:
    • Temperature: Higher temperatures typically increase solubility.
    • Nature of Solvent: While it is more soluble in polar solvents, its solubility in non-polar solvents is significantly lower.
    • Concentration: At higher concentrations, its solubility might decrease due to ion pairing.
  • Common Factors Affecting Solubility: Both compounds illustrate common principles of solubility:
    • “Like dissolves like”: Polar compounds dissolve well in polar solvents.
    • Hydration energy: Strong hydration can manifest in higher solubility for ionic compounds like the pyridinium derivative.

Understanding the solubility of these compounds not only aids in practical applications but also contributes to deeper insights in chemical behavior and interactions.

Interesting facts

Interesting Facts about Dimethyl Phosphate

Dimethyl phosphate is a fascinating chemical compound that plays a significant role in various fields, including agriculture and pharmaceuticals. Here are some intriguing insights about this compound:

  • Versatile Applications: Dimethyl phosphate is primarily used as an intermediate in the synthesis of various pesticides and herbicides. Its utility in agriculture is vital for crop protection.
  • Biochemical Pathways: This compound is involved in biochemical reactions, notably in the metabolism of organophosphates, which are often used as insecticides. Understanding these pathways can aid in developing safer agricultural practices.
  • Environmental Considerations: Due to its widespread use, there's a growing interest in studying the environmental impact of dimethyl phosphate. Research focuses on its degradation and persistence in different ecosystems, contributing to ecological sustainability.
  • Chemical Properties: Dimethyl phosphate exhibits polarity, making it an important solvent in chemical reactions and processes. Its unique properties allow it to interact with a variety of other compounds, enhancing its utility in chemical synthesis.

Quotes from the Field

As noted by chemists studying organophosphates, "Understanding the role of intermediates such as dimethyl phosphate is crucial for advancing both chemistry and environmental science." This emphasizes the compound's importance beyond just its applications.

In conclusion, dimethyl phosphate is not merely a chemical used in industry; it's a pivotal compound that bridges various scientific disciplines and has important implications for both human interests and environmental health.

Further Exploration

For those interested in delving deeper into this compound, consider exploring:

  • The synthesis and reactions of organophosphate compounds
  • Environmental impact studies of phosphorous-based chemicals
  • Innovations in agricultural chemistry and eco-friendly pesticides
Synonyms
Dipyridyl phosphate
21000-42-0
Bis(O,O-dimethylphosphate)-N,N'-dimethyl-4,4'-dipyridyl
RefChem:911814
4,4'-Bipyridinium, 1,1'-dimethyl-, bis(dimethyl phosphate)
dimethyl phosphate;1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium
Dipyridyl hydrogen phosphate
4,4'-BIPYRIDINIUM, 1,1'-DIMETHYL-, BIS(DIMETHYLPHOSPHATE)