MAGNESIUM METHOXIDE Chemical Properties

Density 

0.816 g/mL at 25 °C

vapor pressure 

17kPa at 25℃

refractive index 

n20/D 1.3381

Flash point:

46 °F

solubility 

Chloroform (Soluble), Methanol (Soluble), Water (Soluble)

form 

Liquid

Specific Gravity

0.815

Water Solubility 

Decomposes in water.

Sensitive 

Moisture Sensitive

Hydrolytic Sensitivity

7: reacts slowly with moisture/water

Exposure limits

ACGIH: TWA 200 ppm; STEL 250 ppm (Skin)
OSHA: TWA 200 ppm(260 mg/m3)
NIOSH: IDLH 6000 ppm; TWA 200 ppm(260 mg/m3); STEL 250 ppm(325 mg/m3)

Stability:

Hygroscopic, Moisture sensitive

LogP

0.77 at 20℃

CAS DataBase Reference

109-88-6(CAS DataBase Reference)

EPA Substance Registry System

Methanol, magnesium salt (109-88-6)

Safety Information

Hazard Codes 

F,T

Risk Statements 

11-23/24/25-39/23/24/25-36/38

Safety Statements 

16-36/37-45-26

RIDADR 

UN 3274 3/PG 2

WGK Germany 

1

TSCA 

Yes

HazardClass 

3

PackingGroup 

II

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

MAGNESIUM METHOXIDE Usage And Synthesis

Uses

The use of magnesium methoxide for the deprotection of alkyl esters is described. This mild reagent provides a good method to cleave esters efficiently and more importantly, allows for effective differentiation between two different esters. Dimethyl carbonate is synthesized directly from carbon dioxide and methanol in the presence of magnesium methoxide. 20 mol% DEA additions to magnesium methoxide showed enhanced stability such that a time-dependent change in the sol was not observed in air. Also enhanced the crystallization process.

Preparation

Magnesium Methoxide is prepared by addition of small batches of Magnesium metal to anhydrous MeOH.^[1]

General Description

Magnesium Methoxide is a weakly basic metal alkoxide; forms stable chelates with enolizable carbonyl compounds.

Flammability and Explosibility

Flammable

reaction suitability

core: magnesium

storage

Magnesium Methoxide uses same precautions as for other metal alkoxides (see Potassium t-Butoxide); avoid contact with eyes and clothing; handle and conduct reactions under an inert atmosphere. For critical experiments, it is recommended that the reagent be freshly prepared. Use in a fume hood.

References

1. FF 1969, 2, 255.

MAGNESIUM METHOXIDE(109-88-6)Related Product Information

• Magnesium acetate
• Magnesium L-lactate trihydrate
• Magnesium ethoxide
• MAGNESIUM ACETYLACETONATE
• MAGNESIUM BENZOATE
• MAGNESIUM CYCLOHEXANEBUTYRATE
• Sodium L-aspartate
• MAGNESIUM METHACRYLATE
• MAGNESIUM METHYL CARBONATE
• FUMARIC ACID MONOETHYL ESTER, MAGNESIUM SALT
• Magnesium salicylate
• L-ASPARTIC ACID MAGNESIUM SALT
• Trimagnesium dicitrate
• Monoperoxyphthalic acid magnesium salt hexahydrate
• MAGNESIUM PERMANGANATE HYDRATE
• Magnesium stearate
• MAGNESIUM METHOXIDE
• Magnesium