Molekula
Diethyl oxalate
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
Diethyl oxalate is a colorless liquid organic compound used as a reagent in organic synthesis, particularly in the preparation of oxalate esters and as a solvent in chemical reactions. Industrially, it serves as an intermediate in making pharmaceuticals, plastics and dyes, and as a solvent for cellulose esters, resins and perfumes. It is classified as a hazardous substance with a signal word of Danger. CAS: 95-92-1, molecular formula: C6H10O4, molecular weight: 146.14 g/mol. Store at ambient temperature. Molekula supplies Diethyl oxalate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
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.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 kg — £37.30 per pack ex VAT · £44.76 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Liquid |
| Assay | ≥99% |
| Refraction rate (nD20) | 1.408-1.412 |
| Density@ 20ºC | 1.078-1.082 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 75 °C |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless, oily liquid |
| Odour | Aromatic odor |
| Melting Point | -38.5 °C |
| Boiling Point | 185.7 °C at 760 mmHg |
| Vapour Pressure | 1 mmHg at 47 °C |
| Refractive Index | 1.4101 |
Source: PubChem CID 7268 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 31156858 |
| CAS Number | 95-92-1 |
| IUPAC Name | diethyl oxalate |
| EC Number | 202-464-1 |
| Molecular Formula | C2H5OCOCOOC2H5 |
| Molecular Weight | 146.14 |
| Exact Mass | 146.0579 |
| SMILES | CCOC(=O)C(=O)OCC |
| InChIKey | WYACBZDAHNBPPB-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H10O4/c1-3-9-5(7)6(8)10-4-2/h3-4H2,1-2H3 |
| PubChem CID | 7268 |
| UN Number | UN2525 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29171100 |
| Tariff Code | 2917110040 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H227 Combustible liquid
- H302 Harmful if swallowed
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H360 May damage fertility or the unborn child
- H371 May cause damage to organs
- H372 Causes damage to organs through prolonged or repeated exposure
- H402 Harmful to aquatic life
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P273 Avoid release to the environment
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
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
- Diethyl ester of oxalic acid
- Diethylester kyseliny stavelove
- ETHANEDIOC ACID, DIETHYL ESTER
- Ethanedioic acid, 1,2-diethyl ester
- ETHANEDIOIC ACID,DIETHYL ESTER (DIETHYLOXALATE)
- Ethyl oxalate
- ETHYL OXOLATE
- Oxalic ether
- UN 2525
Frequently asked questions
What is diethyl oxalate used for?
Diethyl oxalate is primarily used as a reagent in organic synthesis, particularly in the preparation of oxalate esters and as a precursor in the synthesis of pharmaceuticals and agrochemicals.
What is the chemical formula and molecular weight of diethyl oxalate?
The formula is C2H5OCOCOOC2H5 and the molecular weight is 146.14 g/mol.
How should diethyl oxalate be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials, in a tightly closed container.
What grade of diethyl oxalate does Molekula supply?
Molekula supplies diethyl oxalate in reagent grade, suitable for laboratory and industrial applications.
Can Molekula supply diethyl oxalate in bulk?
Yes, Molekula can supply diethyl oxalate in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a purchase of diethyl oxalate?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), compliant with GHS standards.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.