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Sodium ethoxide 21wt% solution in Ethanol

CAS 141-52-6 C2H5NaO MW 68.05 Made to order

Sodium ethoxide 21wt% in ethanol is a strong base used in organic synthesis, particularly in condensation reactions and the formation of enolates. It is a corrosive, moisture-sensitive reagent requiring careful handling. Available in 100g, 500g, and 1kg containers. CAS: 141-52-6, Molecular formula: C2H5NaO, Molecular weight: 68.05 g/mol, Storage: Ambient, Signal word: Danger. Molekula supplies Sodium ethoxide 21wt% solution in ethanol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Sodium ethoxide 21wt% in ethanol is a strong base used in organic synthesis, particularly in condensation reactions and the formation of enolates. It is a corrosive, moisture-sensitive reagent requiring careful handling. Available in 100g, 500g, and 1kg containers. CAS: 141-52-6, Molecular formula: C2H5NaO, Molecular weight: 68.05 g/mol, Storage: Ambient, Signal word: Danger. Molekula supplies Sodium ethoxide 21wt% solution in ethanol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Colourless to yellow to dark brown liquid
Assay 20.5-21.5 wt%
Note May develop some turbidity
Sum of NaOH & Na2CO3, Karl Fisher ≤0.50%
NaOC2H5 20.5-22.0 wt%

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point 23 C
Transport Class 8 (3)
Packing Group II
Shelf Life 12 months
Acidity Base

Identification

Property Value
CAS Number 141-52-6
Molecular Formula C2H5NaO
Molecular Weight 68.05
SMILES -
EC / UN Number 2920
REACH Code Y110
TSCA Listed Yes
HTS Code 3824.99.9330
Tariff Code 3824999299

Safety & GHS

Danger
  • GHS pictogram — Oxidizing Oxidizing GHS03
  • GHS pictogram — Compressed Gas Compressed Gas GHS04

Hazard statements

  • EUH014 Reacts violently with water
  • H226 Flammable liquid and vapour
  • H303 May be harmful if swallowed
  • H314 (sub cat. 1B) Causes severe skin burns and eye damage

Precautionary statements

  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

  • 100 mL

    £26.36 · per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is sodium ethoxide 21wt% in ethanol used for?

It is commonly used as a strong base in organic synthesis, particularly in reactions like the Claisen condensation and aldol condensation.

What is the chemical formula and molecular weight of sodium ethoxide?

The formula is C2H5NaO with a molecular weight of 68.05 g/mol.

How should sodium ethoxide 21wt% in ethanol be stored?

It should be stored at ambient temperature, away from moisture and air, in a tightly sealed container.

What grade of sodium ethoxide is available from Molekula?

Molekula supplies sodium ethoxide 21wt% in ethanol as a reagent grade solution.

Can Molekula supply sodium ethoxide in bulk quantities?

Yes, Molekula can supply sodium ethoxide 21wt% in ethanol in bulk quantities—please contact sales for details.

What documentation comes with a purchase of sodium ethoxide?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

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Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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