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Diethyl-pyrocarbonat
DEPC · DIETHYL DICARBONATE · Ethyl pyrocarbonate · ethoxycarbonyl ethyl carbonate · DKD · Piref · Baycovin · DEP／DEPC
Identifikatoren & physikalische Daten
| CAS No. | 1609-47-8 |
|---|---|
| Summenformel | C6H10O5 |
| Durchschnittliche Molmasse | 162,14 g/mol |
| Monoisotopische Masse | 162,05282342 g/mol |
| SMILES | CCOC(=O)OC(=O)OCC |
| InChIKey | FFYPMLJYZAEMQB-UHFFFAOYSA-N |
| PubChem CID | 3051 |
| ChEMBL | CHEMBL55517 |
| ChEBI | CHEBI:59051 |
| EC No. | 216-542-8 |
| DTXSID | DTXSID2051764 |
| Lokaler Name | Diethyl-pyrocarbonat |
Chemische & physikalische Eigenschaften
| XLogP | 1,4 |
|---|---|
| Polarare Oberfläche (TPSA) | 61,8 |
| H-Brücken-Donoren | 0 |
| H-Brücken-Akzeptoren | 5 |
| Frei drehbare Bindungen | 6 |
| Schwere Atome | 11 |
| Formalladung | 0 |
| Komplexität | 126 |
| Stoffklassen | Other Classes -> Esters, Other |
| Lebensmittelzusatzstoffe | DOUGH STRENGTHENER -> FDA Substance added to food |
| Dichte | 1.12 @25 °C1.12 g/mL at 20 °C |
| Schmelzpunkt | < 25 °C69℃ |
| Physical Description | Viscous liquid with a fruity odor. [Merck Index] Clear colorless liquid[Sigma-Aldrich MSDS]Solid |
| Siedepunkt | 93-94 °C18 mm Hg(lit.) |
| Brechungsindex | n20/D 1.398(lit.) |
| Flammpunkt | 157 °F |
| Lagerbedingungen | 2-8°C |
| Löslichkeit | 95% ethanol: soluble4.5g/10 mL, clear, colorlessslow decomposition |
| Aggregatzustand | Liquid |
| Farbe | APHA: ≤20 |
| Biologische Quelle | synthetic (microbial fermentation/ cell culture) |
| Merck | 14,7998 |
| BRN | 637031 |
| Stabilität | Combustible. Unstable - readily decomposes. Incompatible with strong oxidizing agents, strong acids, strong reducing agents, strong bases, ammonia. |
| InChI | 1S/C6H10O5/c1-3-9-5(7)11-6(8)10-4-2/h3-4H2,1-2H3 |
| InChIKey | FFYPMLJYZAEMQB-UHFFFAOYSA-N |
| SMILES | CCOC(=O)OC(=O)OCC |
| LogP (Verteilungskoeffizient) | 1.101 (est) |
| CAS Datenbank | 1609-47-8(CAS DataBase Reference) |
| NIST chemische Informationen | Diethyl pyrocarbonate(1609-47-8) |
| EPA chemische Informationen | Dicarbonic acid, diethyl ester (1609-47-8) |
Sicherheit & Vorschriften
| GHS-Einstufung | WarningH302 (93.5%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 93 reports by companies from 14 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
|---|---|
| Regulatorische Informationen | Chemical: Dicarbonic acid, diethyl esterDiethyl dicarbonate: Does not have an individual approval but may be used under an appropriate group standard |
| Gefahrenübersicht | Causes dyspnea in inhalation lethal-concentration studies of guinea pigs, mice, and rabbits (LCLo = 10 ppm/1hr)[RTECS] Slowly decomposed by water forming ethanol and carbon dioxideA skin, eye, and mucous membrane irritant[Merck Index] A skin and strong eye irritantHarmful by ingestion[Sigma-Aldrich MSDS] |
| Hazard Classes and Categories | Acute Tox. 4 (93.5%) |
| Protective Action Criteria (PAC) | 4.1 [mg/m3]45 [mg/m3]270 [mg/m3] |
| Toxicity Data | LCLo (rat) = 10,000 mg/m3/1hr |
| F | 4.4-9-21 |
| Wassergefährdungsklasse (WGK) | 3 |
| TSCA-Inventar-Status | TSCA listed |
| UN-Transportnummer | 2810 |
| Zollcode | 29209085 |
| RTECS-Nr. | LQ9350000 |
| R-Sätze (R) | 22-36/37/38-20/21/22 |
| Toxizität | LD50 orally in Rabbit: 850 mg/kg |
| Gefahrensymbole | Xn |
| Sicherheitshinweise (S) | 26-36-37/39 |
| Gefahrenklasse | 6.1(b)Acute Tox. 4 Oral |
| Verpackungsgruppe | III |
| Lagerklasse | 10 - Combustible liquids |
Anwendungen & Verwendung
Verwenden
Diethyl pyrocarbonate may be used in the following studies:For the modification of histidyl residues in proteins.As a nuclease inhibitor, for the extraction of undegraded nucleic acids from etiolated and green plant tissues.For the modification of linear and supercoiled plasmid DNAs.As a chemical probe to investigate the secondary structure in negatively supercoiled DNA.For cabethoxylation of histidine residues of actin.