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L05673 Sodium methoxide, 98%

CAS Number
Sodium methylate

Stock No. Size Price ($) Quantity Availability
L05673-22 100g 27.10
L05673-36 500g 41.10
L05673-0P 2000g 102.00
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Sodium methoxide, 98%


Chemical Properties

Formula Weight
Melting point
Storage & Sensitivity
Moisture Sensitive. Air Sensitive. Store under Nitrogen. Ambient temperatures.
Miscible with ethanol, methanol, fats and esters.Immiscible with hydrocarbons and organic solvents.


Sodium methoxide is used as a base and a reagent in organic chemistry. It is useful in the synthesis of pharmaceuticals and agrochemicals. It acts as a nucleophile and is used in the production of methyl ethers. It serves as an initiator of anionic addition polymerization with ethylene oxide, forming a polyether with high molecular weight. It is involved in the production of biodiesel from vegetable oils and animal fats.


Air, moisture and heat sensitive. Incompatible with acids, acid chlorides, acid anhydrides, oxidizing agents, alkali metals, chlorinated solvents, water and reducing agents.

Literature References

Zeng, D.; Li, R.; Feng, M.; Fang, T. Continuous Esterification of Free Fatty Acids in Crude Biodiesel by an Integrated Process of Supercritical Methanol and Sodium Methoxide Catalyst. Appl. Biochem. Biotechnol. 2014, 174 (4), 1484-1495.

Wuke, L.; Weijiang, Z.; Jiao, X.; Lei, Z. Study of the reaction between boron trifluoride methanol complex and sodium methoxide. J. Coord. Chem. 2014, 67 (9), 1530-1540.

GHS Hazard and Precautionary Statements

Hazard Statements: H228-H290-H302-H314-H335-H500-X

Flammable solid. May be corrosive to metals. Harmful if swallowed. Causes severe skin burns and eye damage. May cause respiratory irritation. May form combustible dust concentrations in air

Precautionary Statements: P210-P234-P235+P410-P240-P241-P260-P264b-P270-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P370+P378q-P390-P501c

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep only in original container. Keep cool. Protect from sunlight. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Rinse mouth. Do NOT induce vomiting. Wash contaminated clothing before reuse. In case of fire: Use CO2, dry chemical, or foam Absorb spillage to prevent material damage. Dispose of contents/ container to an approved waste disposal plant

Other References

Hazard Class
Packing Group
Harmonized Tariff Code


  • A10559

    Iodomethane, 99%, stab. with copper
  • A11766

    Allyl bromide, 99%, stab. with 300-1000ppm Propylene oxide
  • A13947

    Potassium tert-butoxide, 97%
  • L06230

    Sodium ethoxide, 96%
  • 14261

    Potassium methoxide, 90+%

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