Sodium Ethoxide | High Purity Solid / 21% Solution | CAS 141-52-6 | Purity ≥95% | Strong Alkaline Catalyst Pharmaceutical Intermediate Export

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Sodium ethoxide is a typical strongly basic organic alcoholate. It undergoes violent hydrolysis upon contact with water, yielding sodium hydroxide and ethanol. It readily absorbs moisture and decomposes in air, turning black upon prolonged storage. The solid is highly soluble in anhydrous ethanol, and the resulting solution is stable. As a highly reactive strong base, it is widely used as a catalyst, ethoxylating agent, condensing agent, and reducing agent. It is suitable for organic synthesis in anhydrous systems and serves as a key raw material in the pharmaceutical, pesticide, fragrance, dye, and fine chemical industries. The product features high purity, low impurity levels, strong alkalinity, and stable reactivity. It is supplied directly from the source factory and holds complete export certifications for Class 4.2 and Class 8 combined hazardous chemicals. We can provide SDS, COA, hazardous packaging certificates, and a full set of export customs clearance documents.

ParameterInformation
Chemical NameSodium Ethoxide
CAS No.141-52-6
EC No.205-487-5
Molecular FormulaC₂H₅ONa
Molecular Weight68.05 g/mol
HS Code2905.19

Product Description

Sodium ethoxide, also known as sodium ethylate or sodium ethoxide salt, is an important organic compound and a strong alkaline reagent. Sodium ethoxide is highly soluble in ethanol and methanol, and reacts violently with water to form sodium hydroxide and ethanol. It is a strong base that absorbs carbon dioxide from the air and gradually decomposes. As a highly reactive strong base, it is widely used as a catalyst, ethoxylating agent, condensing agent, and reducing agent, and is suitable for organic synthesis in anhydrous systems. It serves as a key raw material in the pharmaceutical, pesticide, fragrance, dye, and fine chemical industries.

For detailed information on the physical and chemical properties of Sodium ethoxide, see 【Addition information】

Main Applications

1. Pharmaceutical Synthesis

• Strong base catalyst/condensing agent for the synthesis of drugs such as phenobarbital, phenylbutazone, primidone, methyldopa, and ethambutol.

2.Pesticide Industry

• Used as an ethoxylating agent and base catalyst in the synthesis of intermediates for herbicides and insecticides.

3.Fine Chemicals Synthesis

•Strong base catalyst / initiator for reactions such as Claisen condensation, ester exchange, anionic polymerization, and ring-opening polymerization.

4.Fragrances and Dyes

• Used in the etherification of fragrances and the condensation of dye intermediates to improve reaction yield and purity.

5.Analytical Reagents

• Strong base standard solution for non-aqueous titration and the determination of organic functional groups.

GHS Hazard Classification

CategoryInformation
Self-heating substanceCategory 1
Skin corrosion/irritationCategory 1B
Serious eye injury/eye irritationCategory 1
Specific target organ toxicity—single exposureCategory 2
Hazards to the aquatic environment—chronic toxicityCategory 2
Hazard statementDanger

Hazard Statement

H251: Self-heating; may cause fire
H314: Causes severe skin burns and eye damage
H318: Causes serious eye damage
H371: May cause damage to organs
H411: Toxic to aquatic life with long-lasting effects

Shipping Information

CategoryInformation
UN Number3206 
Proper Shipping NameALKALI METAL ALCOHOLATES, SELF-HEATING, CORROSIVE, N.O.S
Hazard ClassClass 4.2 (Self-reactive substances) Class 8 (Corrosives)
Packaging GroupII
HS Code2905.19

Packaging Specifications

Packaging TypeSpecification
Galvanized steel drum80kg(solid), 180kg(liquid),
IBC Tote
ISO Tank
Small PackageCustomization

Storage Requirements

• Keep the container tightly closed and store in a dry, well-ventilated area
• Store at a temperature of ≤20°C and avoid direct sunlight
• Use an inert gas (nitrogen or argon) for protection
• Keep away from sources of fire, heat, and oxidizing agents
• Leave space between stacks/pallets to allow for heat dissipation

Safety Precaution

• Eye protection: Wear safety goggles or a face shield (e.g., compliant with EN 166)
• Skin protection: Wear chemical-resistant gloves, an apron, and protective clothing
• Respiratory protection: Use an appropriate respirator (e.g., NIOSH-approved or compliant with EN 149)

Disclaimer

This product information is for reference only and does not constitute any warranty, guarantee, or legal advice. Before using DMF, users must:

  • Carefully read and follow the latest SDS provided with the product;
  • Conduct a risk assessment according to actual use and local regulations;
  • Implement appropriate safety measures and comply with all applicable hazardous chemical regulations.

We assume no liability for any direct or indirect loss, damage, or injury arising from the use or handling of this product. Users bear full responsibility and risk for its use.

Appearance

A white to pale yellow hygroscopic powder(Solid)

Purity

≥95%

Density (25°C)

0.868 g/cm³

Boiling Point

91°C

Melting Point

260°C

Flash Point

30°C (Closed)

Auto-ignition Temp

30-50°C

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