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HomeProduct name listDiethyl pyrocarbonate

Diethyl pyrocarbonate

Synonym(s):DEPC;DEP;Diethyl dicarbonate;Diethyl oxydiformate;Diethyl Oxydiformate, DEPC

  • CAS NO.:1609-47-8
  • Empirical Formula: C6H10O5
  • Molecular Weight: 162.14
  • MDL number: MFCD00009106
  • EINECS: 216-542-8
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-19 20:33:22
Diethyl pyrocarbonate Structural

What is Diethyl pyrocarbonate?

Chemical properties

liquid

The Uses of Diethyl pyrocarbonate

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.

The Uses of Diethyl pyrocarbonate

Modification reagent for His and Tyr residues in proteins. Robust probe for structural disruptions in dsDNA, reacting with fully or partially unstacked bases.1

The Uses of Diethyl pyrocarbonate

Gentle esterifying agent. Preservative for wines, soft drinks, fruit juices.

What are the applications of Application

Diethyl Pyrocarbonate is an inhibitor of ryanodine binding at the ryanodine/Ca2+ channel.

Definition

ChEBI: The diethyl ester of dicarbonic acid.

General Description

Diethyl pyrocarbonate (DEP) is a bactericidal agent and decomposes in water to CO2 and ethanol. DEP inhibits enzymes such as DNase and RNase without affecting nucleic acids. It is useful for the preparation of mRNA from tissues.

Biochem/physiol Actions

Inactivates RNase in solution at about 0.1% (v/v), thus protecting RNA against degradation.

Safety Profile

Poison by ingestion, inhalation, and intraperitoneal routes. Concentrated DEPC is irritating to eyes, mucous membranes, and sh. When heated to decomposition it emits acrid smoke and fumes. See also ESTERS.

Purification Methods

Dissolve the ester in Et2O, wash it with dilute HCl, H2O, dry over Na2SO4, filter, evaporate and distil the residue first in vacuo then at atmospheric pressure. It is soluble in alcohols, esters, ketones and hydrocarbon solvents. A 50% w/w solution is usually prepared for general use. Treat with great CAUTION as DEP irritates the eyes, mucous membranes and skin. [Boehm & Mehta Chem Ber 71 1797 1938, Thoma & Rinke Justus Liebigs Ann Chem 624 30 1959, Beilstein 3 IV 18.]

Properties of Diethyl pyrocarbonate

Melting point: 69℃
Boiling point: 93-94 °C18 mm Hg(lit.)
Density  1.12 g/mL at 20 °C
refractive index  n20/D 1.398(lit.)
Flash point: 157 °F
storage temp.  2-8°C
solubility  95% ethanol: soluble4.5g/10 mL, clear, colorless
form  Liquid
color  APHA: ≤20
Water Solubility  slow decomposition
Sensitive  Moisture Sensitive
Merck  14,7998
BRN  637031
Stability: Combustible. Unstable - readily decomposes. Incompatible with strong oxidizing agents, strong acids, strong reducing agents, strong bases, ammonia.
CAS DataBase Reference 1609-47-8(CAS DataBase Reference)
NIST Chemistry Reference Diethyl pyrocarbonate(1609-47-8)
EPA Substance Registry System Dicarbonic acid, diethyl ester (1609-47-8)

Safety information for Diethyl pyrocarbonate

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P270:Do not eat, drink or smoke when using this product.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P501:Dispose of contents/container to..…

Computed Descriptors for Diethyl pyrocarbonate

InChIKey FFYPMLJYZAEMQB-UHFFFAOYSA-N

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