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403067

Sigma-Aldrich

Sodium methoxide solution

ACS reagent, 0.5 M CH3ONa in methanol (0.5N)

Synonym(s):

Sodium methylate

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About This Item

Linear Formula:
CH3ONa
CAS Number:
124-41-4
Molecular Weight:
54.02
Beilstein:
3592982
MDL number:
MFCD00012179
UNSPSC Code:
12352100
PubChem Substance ID:
24865160
NACRES:
NA.21

grade

ACS reagent

Quality Level

200

form

liquid

concentration

0.5 M CH3ONa in methanol (0.5N)

color

, clarity of solution to pass

bp

64.6 °C

density

0.809 g/mL at 25 °C

SMILES string

[Na+].C[O-]

InChI

1S/CH3O.Na/c1-2;/h1H3;/q-1;+1

InChI key

WQDUMFSSJAZKTM-UHFFFAOYSA-N

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General description

Sodium methoxide solution is composed of 0.5M sodium methoxide in 0.5N methanol. It is a widely used organic base in organic synthesis.

Application

Sodium methoxide solution may be used in the following processes:
  • As a solvent in the synthesis of disulfides from corresponding thiols.
  • To extract fatty acid methyl esters by transesterification process.
  • Synthesis of (1R,2R,3R,7aS)-1,2-dibenzyloxy-3-tert-butyldiphenylsilyloxymethylpyrrolizidin-5-one.

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1A - STOT SE 1

Target Organs

Eyes,Central nervous system

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

51.8 °F - closed cup

Flash Point(C)

11.0 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
SHBR8015
SHBR2259
SHBQ7485
SHBP9948
SHBP4200

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Electrochemical oxidation of thiols to disulfides.
Leite SLS, et al.
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