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Sodium Ethoxide (SEO)

Sodium Ethoxide (SEO)
CAS No.: 141-52-6
Molecular Formula: C2H5NaO
Molecular Weight: 68.051
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Product Introduction

Sodium ethoxide is an organic compound with the chemical formula C₂H₅ONa; primarily used as a strong basic catalyst and an ethoxylating agent, it finds widespread application in the fields of pharmaceuticals, pesticides, and organic synthesis.


CHEMICAL PROPERTIES

English NameSodium ethoxide
AliasSodium ethylate
Chemical FormulaC₂H₅ONa
Molecular Weight68.05
CAS No.141-52-6
EINECS No.205-487-5
Melting Point260℃
Boiling Point91℃
Density0.868 g/cm³
AppearanceWhite to pale-yellow hygroscopic powder
Flash Point22℃
Safety PhrasesS8; S16; S26; S36/37/39; S43; S45
Hazard SymbolC (Corrosive)
Risk PhrasesR11; R14; R34


PRODUCT USAGE

Organic Synthesis:

Acts as a strong basic catalyst for reactions such as alcohol dehydration, ether synthesis, and ester acidolysis.

Serves as a nucleophile in SN2 reactions for the preparation of ethers.

Pharmaceutical Industry:

Catalyzes condensation reactions for pharmaceutical intermediates such as Vitamin B1 and sulfadiazine.

Used in the synthesis of drugs including nabumetone, phenylbutazone, gliclazide, and phenobarbital.

Agrochemicals and Chemical Industry:

Used in transesterification reactions for the synthesis of organophosphorus insecticides.

Serves as an esterification catalyst in the production of polyester resins.

Downstream products include methamidophos, triethyl orthoformate, and methyltriethoxysilane.

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