Diethyl carbonate CAS#105-58-8
Excellent Chemical Reactivity: Diethyl carbonate contains ethyl, ethoxy, carbonyl, and carbonylethoxy functional groups, providing strong reactivity for a variety of chemical synthesis processes.
Versatile Organic Synthesis Reagent: It is widely used as a reagent for carbonylation, alkylation, and carbethoxylation reactions, making it a valuable intermediate in chemical manufacturing.
Environmentally Friendly Solvent: As a green, aprotic solvent, DEC offers an environmentally preferable alternative for numerous industrial and laboratory applications.
Broad Industrial Compatibility: Diethyl carbonate is suitable for use with nitrocellulose, cellulose ethers, and various resin systems, supporting applications across coatings, polymers, and specialty chemicals.
Product Description of Diethyl Carbonate CAS#105-58-8
Diethyl carbonate (DEC) is an organic compound containing ethyl, ethoxy, carbonyl, and ethoxycarbonyl functional groups, which contribute to its high chemical reactivity. It is widely used as a reagent in carbonylation, alkylation, and carbethoxylation reactions.
DEC is a highly hygroscopic, aprotic, and environmentally friendly solvent. It is commonly applied in the processing and formulation of nitrocellulose, cellulose ethers, and various resin systems.
| Melting point | -43 °C (lit.) |
| Boiling point | 126-128 °C (lit.) |
| density | 0.975 g/mL at 25 °C (lit.) |
| vapor density | 4.1 (vs air) |
| vapor pressure | 10 mm Hg ( 23.8 °C) |
| refractive index | n20/D 1.384(lit.) |
| Fp | 88 °F |
| storage temp. | no restrictions. |
| solubility | 18.8mg/l insoluble |
| form | Liquid |
| color | Clear |
| Odor | Pleasant, etheral; mild and nonresidual. |
| PH | 6.3 (1g/l, H2O) |
| explosive limit | 1.4-11.0%(V) |
| biological source | mouse |
| Water Solubility | Negligible |
| Sensitive | Moisture Sensitive |
| Merck | 143780 |
| BRN | 956591 |
| Henry's Law Constant | 1.0×10-1 mol/(m3Pa) at 25℃, Burkholder et al. (2019) |
| Dielectric constant | 2.8(Ambient) |
| Stability: | Stable. Flammable. Incompatible with strong acids, strong bases, reducing agents, oxidizing agents. Protect from moisture. |
| InChI | 1S/C5H10O3/c1-3-7-5(6)8-4-2/h3-4H2,1-2H3 |
| InChIKey | OIFBSDVPJOWBCH-UHFFFAOYSA-N |
| SMILES | O=C(OCC)OCC |
| LogP | 1.21 at 25℃ |
| Surface tension | 29.2 mN/m at 273.18K |
| CAS DataBase Reference | 105-58-8(CAS DataBase Reference) |
| NIST Chemistry Reference | Carbonic acid, diethyl ester(105-58-8) |
| EPA Substance Registry System | Diethyl carbonate (105-58-8) |
Safety Information
| Hazard Codes | T,Xi |
| Risk Statements | 23/24/25-36/37/38-10 |
| Safety Statements | 26-36-45-16-23 |
| RIDADR | UN 2366 |
| WGK Germany | 3 |
| RTECS | YE1050000 |
| F | 21 |
| Autoignition Temperature | 445 °C |
| TSCA | TSCA listed |
| HS Code | 2920 90 10 |
| HazardClass | 3 |
| PackingGroup | III |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Flam. Liq. 3 |
| Hazardous Substances Data | 105-58-8(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: > 4900 mg/kg |
| LC50 (inhalation) > 21 mg/kg (mouse) | |
| TDL0 500 mg/kg (mouse) | |
| LD50 (s.c.) 8500 mg/kg (rat) |
Product Application of Diethyl Carbonate CAS#105-58-8
Diethyl carbonate is widely used as an intermediate in organic and pharmaceutical synthesis. It also serves as an effective solvent for resins, oils, nitrocellulose, and cellulose ethers in various industrial applications.




