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Molekula

Molekula

Oxalacetic acid diethylester sodium salt

SKU 10451984 CAS 40876-98-0 C2H5OCOC(ONa)=CHCOOC2H5 MW 210.16 Made to order Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Oxalacetic acid diethylester sodium salt is a sodium salt derivative of oxalacetic acid used in organic synthesis and biochemical research. It serves as a key intermediate in the synthesis of various organic compounds. Available with CAS number 40876-98-0, molecular formula C2H5OCOC(ONa)=CHCOOC2H5, and molecular weight 210.16 g/mol. Stored at ambient temperature. Signal word: Warning. Molekula supplies Oxalacetic acid diethylester sodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

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Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.

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  • 25 g — $47.20 per pack
  • 100 g — $94.30 per pack

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Specifications

Property Value
Appearance Off-white or light yellow powder
Melting Point 189 - 190℃
Assay ≥95.0%

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Acid

Identification

Property Value
SKU 10451984
CAS Number 40876-98-0
IUPAC Name sodium diethyl 2-oxobutanedioate
EC Number 255-122-9
Molecular Formula C2H5OCOC(ONa)=CHCOOC2H5
Molecular Weight 210.16
Exact Mass 210.0504
SMILES CCOC(=O)[CH-]C(=O)C(=O)OCC.[Na+]
InChIKey JPTKZRPOIUYFTM-UHFFFAOYSA-N
InChI InChI=1S/C8H11O5.Na/c1-3-12-7(10)5-6(9)8(11)13-4-2;/h5H,3-4H2,1-2H3;/q-1;+1
PubChem CID 16663655
REACH Code Y110
TSCA Listed Yes
HTS Code 2918303000
Tariff Code 2918300090

Safety & GHS

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H302 Harmful if swallowed
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation

Precautionary statements

  • P231+232 Handle under inert gas. Protect from moisture
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

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.

Synonyms

  • Butanedioic acid, 2-oxo-, 1,4-diethyl ester, ion(1-), sodium (1:1)
  • Butanedioic acid, oxo-, diethyl ester, ion(1-), sodium
  • Diethyl oxaloacetate, monosodium salt
  • Diethyl oxobutanedioate ion(1-) sodium
  • DIETHYL OXOSUCCINATE SODUIM SALT
  • Diethyl sodium oxalacetate
  • NATRUM OXALACETICUM
  • Sodium diethyl oxalacetate
  • Sodium diethyl oxaloacetate
  • Sodium diethyl oxobutanedioate

Frequently asked questions

What is oxalacetic acid diethylester sodium salt used for?

It is primarily used as a synthetic intermediate in organic chemistry, particularly in the synthesis of heterocyclic compounds and pharmaceuticals.

What is the chemical formula and molecular weight?

The formula is C2H5OCOC(ONa)=CHCOOC2H5 with a molecular weight of 210.16 g/mol.

How should this compound be stored?

It should be stored at ambient temperature, protected from moisture and light.

What grade is available?

This product is available in technical grade; custom purity levels may be requested.

Can Molekula supply this in bulk?

Yes, Molekula can supply oxalacetic acid diethylester sodium salt in bulk quantities—please contact sales for details.

What documentation comes with the order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.

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