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Sodium methoxide

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Identification
Molecular formula
CH3ONa
CAS number
124-41-4
IUPAC name
sodium;methanolate
State
State

Sodium methoxide is commonly encountered as a solid at room temperature, but it can also be found in solution form, especially in methanol, where it acts as a strong base and nucleophile.

Melting point (Celsius)
127.00
Melting point (Kelvin)
400.15
Boiling point (Celsius)
65.00
Boiling point (Kelvin)
338.15
General information
Molecular weight
54.02g/mol
Molar mass
54.0240g/mol
Density
0.9970g/cm3
Appearence

Sodium methoxide is typically a white to off-white crystalline powder. It may also appear as a colorless to pale yellow solution when dissolved in methanol.

Comment on solubility

Solubility of Sodium Methanolate

Sodium methanolate (NaOCH3), also known as sodium methylate, exhibits notable solubility characteristics that are worth exploring:

  • Solvent Compatibility: This compound is highly soluble in polar solvents, particularly water and methanol.
  • Concentration Effects: As the temperature increases, the solubility of sodium methanolate in water also increases, allowing for the formation of concentrated solutions.
  • Ionization: In aqueous solutions, sodium methanolate dissociates into sodium ions (Na+) and methanolate ions (OCH3−), contributing to its high solubility.

Because of these properties, sodium methanolate is utilized as a strong base in various applications. In practical terms, the solubility behavior of sodium methanolate can be summarized as:

  1. Readily soluble in water
  2. Efficiently dissolves in organic solvents like methanol
  3. Highly reactive when in solution due to its ionic components

In conclusion, the solubility of sodium methanolate is a critical factor in its effective use in chemical synthesis, and understanding these solubility dynamics can enhance its application potential in the lab.

Interesting facts

Interesting Facts About Sodium Methanolate

Sodium methanolate is a fascinating compound with a variety of applications, particularly in organic synthesis and as a catalyst. Here are some remarkable facets of this compound:

  • Chemical Structure: Sodium methanolate is the sodium salt of methanol. Its unique structure allows for interesting reactivity, making it valuable in different chemical processes.
  • Versatile Reagent: It serves as an effective nucleophile in various organic reactions, particularly in the formation of ethers and esters, which are vital in both laboratory and industrial settings.
  • Impact on Biodiesel Production: Sodium methanolate is employed as a catalyst in the transesterification process of triglycerides to produce biodiesel, promoting a more sustainable and greener approach to fuel generation.
  • Safety Considerations: While sodium methanolate is used extensively in laboratories, it is important to handle this compound with care, as it can be reactive. Proper safety protocols, such as wearing gloves and goggles, should always be followed.
  • Historical Context: The recognition of sodium methanolate and its applications dates back to early work in the field of organic chemistry, illustrating the evolution of chemical understanding and methodologies over the years.

In summary, sodium methanolate exemplifies the beauty of chemistry, where a simple compound plays a significant role in innovation and sustainability. As a chemist or a student, exploring its applications could lead to exciting discoveries and advancements.