| Chemical Name | Sodium Methoxide |
| Chemical Formula | CH3ONa |
| CAS | 124-41-4 |
| Appearance | White crystalline powder |
| Melting point | -98 °C |
| Boiling point | 65 °C |
| Density(ρ20), g/cm³ | 0.98 g/cm³ |
| Molecular Weight | 54.03 |
| Solubility | Insoluble in water; soluble in methanol and ethanol. |
Sodium methoxide has a wide range of applications, primarily used in the production of sulfonamide drugs and other compounds. It also serves as a catalyst in organic synthesis, employed in pesticide manufacturing and the oil processing industry.
Industrial-grade sodium methoxide is available in two forms: solid and liquid. The solid form is pure sodium methoxide, while the liquid form is a methanol solution containing 27.5–31% sodium methoxide.
It serves as an alkaline condensing agent and catalyst in organic synthesis, used in the production of fragrances, dyes, and as a raw material for vitamins B1, A, and sulfamethoxazole.
As a key raw material for pharmaceuticals and pesticides, it is essential for synthesizing drugs like sulfadiazine, trimethoprim, and sulfonamide synergists.
Also serves as a catalyst for processing edible fats and oils (particularly lard) to alter fat structure for applications like margarine; must be removed from final food products. Primarily functions as a condensing agent, strong alkaline catalyst, and methoxylating agent in producing pharmaceuticals like vitamins B1 and A, and sulfadiazine; used in small quantities for pesticide production.
It also serves as an analytical reagent and is widely employed in industries such as perfumes and dyes.
Strictly prevent moisture, isolate from air, keep away from fire sources, and store in a sealed, cool place. Typically stored in a dedicated, dry, well-ventilated warehouse at low temperatures. Containers must be tightly sealed and grounded to prevent static electricity. Do not store with water, acids, oxidizing agents, or flammable materials. It reacts violently with water, releasing heat and producing flammable methanol. It readily self-ignites when exposed to moisture and reacts violently with acids, exhibiting strong corrosive properties.
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