Molekula
Diethyl carbonate
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 carbonate (CAS 105-58-8) is an organic compound used as a solvent, ethylating and ethoxycarbonylating agent, and intermediate in pharmaceutical and agrochemical synthesis, as well as a green alternative to toxic reagents in organic reactions. It has a molecular formula of C5H10O3 and a molecular weight of 118.13 g/mol. Store at ambient conditions with a signal word warning for hazards. Molekula supplies Diethyl carbonate 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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100 g — £26.40 per pack ex VAT · £31.68 inc. VAT
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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 | Colourless transparent liquid |
| Density | 0.9720 - 0.9752 |
| Water | ≤0.10% |
| Assay | ≥99.5% |
| Chroma (Pt-Co) | ≤10 |
| Total alcohol | ≤0.1% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 25 °C |
| Transport Class | 3 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless liquid |
| Odour | Pleasant ethereal odor |
| Melting Point | -43 °C |
| Boiling Point | 126 °C |
| Density | 0.98 (relative, water = 1) |
| Water Solubility | 18.8 g/L at 20 °C |
| Solubility (other solvents) | Soluble in ehtyl ether, ethanol, and chloroform |
| Vapour Pressure | 1.1 kPa at 20 °C |
| Refractive Index | 1.3845 |
| log P (octanol/water) | 1.21 |
Source: PubChem CID 7766 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 89966665 |
| CAS Number | 105-58-8 |
| IUPAC Name | diethyl carbonate |
| EC Number | 203-311-1 |
| Molecular Formula | C5H10O3 |
| Molecular Weight | 118.13 |
| Exact Mass | 118.063 |
| SMILES | CCOC(=O)OCC |
| InChIKey | OIFBSDVPJOWBCH-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H10O3/c1-3-7-5(6)8-4-2/h3-4H2,1-2H3 |
| PubChem CID | 7766 |
| UN Number | UN2366 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2920901000 |
| Tariff Code | 2920901085 |
Safety & GHS
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Flammable
GHS02
-
Health Hazard
GHS07
Hazard statements
- H226 Flammable liquid and vapour
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P302+350 IF ON SKIN: Gently wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- 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, English (US), French, German, Italian, Portuguese, 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
- Carbonic acid diethyl ester
- Carbonic ether
- Diaethylcarbonat
- Diatol
- Diethyl carbonate-13C5
- Diethylester kyseliny uhlicite
- Diethylkarbonat
- Ethyl carbonate
- Ethyl carbonate ((EtO)2CO)
- Eufin
Frequently asked questions
What is diethyl carbonate primarily used for?
Diethyl carbonate is commonly used as a solvent, a reagent in organic synthesis (e.g., for esterification or transesterification), and as a precursor in the production of pharmaceuticals and agrochemicals.
What is the chemical formula and molecular weight of diethyl carbonate?
The chemical formula is C₅H₁₀O₃, and the molecular weight is 118.13 g/mol.
How should diethyl carbonate be stored?
Store diethyl carbonate in a tightly sealed container at ambient temperature, away from sources of ignition and moisture.
What grades of diethyl carbonate does Molekula supply?
Molekula supplies technical and reagent grades of diethyl carbonate; contact us for specific purity requirements.
Can Molekula supply diethyl carbonate in bulk quantities?
Yes, we offer bulk quantities of diethyl carbonate; minimum order quantities and packaging options vary—inquire for details.
What documentation is provided with an order of diethyl carbonate?
Each order includes a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and a product specification sheet.
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.