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Diethyl Pyrocarbonate

PubChem CID
3051
Structure
Diethyl Pyrocarbonate_small.png
Diethyl Pyrocarbonate_3D_Structure.png
Molecular Formula
Synonyms
  • diethyl pyrocarbonate
  • 1609-47-8
  • Diethyl dicarbonate
  • DEPC
  • Diethyl oxydiformate
Molecular Weight
162.14 g/mol
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Dates
  • Create:
    2005-03-25
  • Modify:
    2025-01-18
Description
Diethyl pyrocarbonate is the diethyl ester of dicarbonic acid. It is functionally related to a dicarbonic acid.
Preservative for wines, soft drinks, and fruit juices and a gentle esterifying agent.

1 Structures

1.1 2D Structure

Chemical Structure Depiction
Diethyl Pyrocarbonate.png

1.2 3D Conformer

2 Names and Identifiers

2.1 Computed Descriptors

2.1.1 IUPAC Name

ethoxycarbonyl ethyl carbonate
Computed by Lexichem TK 2.7.0 (PubChem release 2021.10.14)

2.1.2 InChI

InChI=1S/C6H10O5/c1-3-9-5(7)11-6(8)10-4-2/h3-4H2,1-2H3
Computed by InChI 1.0.6 (PubChem release 2021.10.14)

2.1.3 InChIKey

FFYPMLJYZAEMQB-UHFFFAOYSA-N
Computed by InChI 1.0.6 (PubChem release 2021.10.14)

2.1.4 SMILES

CCOC(=O)OC(=O)OCC
Computed by OEChem 2.3.0 (PubChem release 2024.12.12)

2.2 Molecular Formula

C6H10O5
Computed by PubChem 2.2 (PubChem release 2021.10.14)

2.3 Other Identifiers

2.3.1 CAS

1609-47-8

2.3.2 European Community (EC) Number

2.3.3 UNII

2.3.4 ChEBI ID

2.3.5 ChEMBL ID

2.3.6 DSSTox Substance ID

2.3.7 HMDB ID

2.3.8 KEGG ID

2.3.9 Metabolomics Workbench ID

2.3.10 Nikkaji Number

2.3.11 Wikidata

2.3.12 Wikipedia

2.4 Synonyms

2.4.1 MeSH Entry Terms

  • Anhydride, Ethoxyformic
  • Dicarbonate, Diethyl
  • Diethyl Dicarbonate
  • Diethyl Oxydiformate
  • Diethyl Pyrocarbonate
  • Diethylpyrocarbonate
  • Ethoxyformic Anhydride
  • Oxydiformate, Diethyl
  • Pyrocarbonate, Diethyl
  • Pyrocarbonic Acid Diethyl Ester

2.4.2 Depositor-Supplied Synonyms

3 Chemical and Physical Properties

3.1 Computed Properties

Property Name
Molecular Weight
Property Value
162.14 g/mol
Reference
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Property Name
XLogP3
Property Value
1.4
Reference
Computed by XLogP3 3.0 (PubChem release 2021.10.14)
Property Name
Hydrogen Bond Donor Count
Property Value
0
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Hydrogen Bond Acceptor Count
Property Value
5
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Rotatable Bond Count
Property Value
6
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Exact Mass
Property Value
162.05282342 Da
Reference
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Property Name
Monoisotopic Mass
Property Value
162.05282342 Da
Reference
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Property Name
Topological Polar Surface Area
Property Value
61.8 Ų
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Heavy Atom Count
Property Value
11
Reference
Computed by PubChem
Property Name
Formal Charge
Property Value
0
Reference
Computed by PubChem
Property Name
Complexity
Property Value
126
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Isotope Atom Count
Property Value
0
Reference
Computed by PubChem
Property Name
Defined Atom Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Undefined Atom Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Defined Bond Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Undefined Bond Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Covalently-Bonded Unit Count
Property Value
1
Reference
Computed by PubChem
Property Name
Compound Is Canonicalized
Property Value
Yes
Reference
Computed by PubChem (release 2021.10.14)

3.2 Experimental Properties

3.2.1 Physical Description

Viscous liquid with a fruity odor. [Merck Index] Clear colorless liquid; [Sigma-Aldrich MSDS]
Solid

3.2.2 Melting Point

< 25 °C

3.3 Chemical Classes

Other Classes -> Esters, Other

3.3.1 Food Additives

DOUGH STRENGTHENER -> FDA Substance added to food

4 Spectral Information

4.1 1D NMR Spectra

1D NMR Spectra

4.1.1 1H NMR Spectra

1 of 2
Instrument Name
Varian CFT-20
Copyright
Copyright © 2009-2024 John Wiley & Sons, Inc. All Rights Reserved.
Thumbnail
Thumbnail
2 of 2
Source of Spectrum
Sigma-Aldrich Co. LLC.
Source of Sample
Sigma-Aldrich Co. LLC.
Catalog Number
159220
Copyright
Copyright © 2021-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021 John Wiley & Sons, Inc. All Rights Reserved.
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4.1.2 13C NMR Spectra

1 of 2
Source of Sample
Aldrich Chemical Company, Inc., Milwaukee, Wisconsin
Copyright
Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved.
Thumbnail
Thumbnail
2 of 2
Instrument Name
Bruker WH-90
Copyright
Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Thumbnail
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4.2 Mass Spectrometry

4.2.1 GC-MS

NIST Number
236435
Library
Main library
Total Peaks
43
m/z Top Peak
29
m/z 2nd Highest
45
m/z 3rd Highest
63
Thumbnail
Thumbnail

4.3 IR Spectra

4.3.1 FTIR Spectra

1 of 2
Technique
CAPILLARY CELL: NEAT
Source of Sample
Aldrich Chemical Company, Inc., Milwaukee, Wisconsin
Catalog Number
15922
Copyright
Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved.
Thumbnail
Thumbnail
2 of 2
Technique
Neat
Source of Spectrum
Sigma-Aldrich Co. LLC.
Source of Sample
Aldrich
Catalog Number
159220
Copyright
Copyright © 2018-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved.
Thumbnail
Thumbnail

4.3.2 ATR-IR Spectra

1 of 2
Instrument Name
Bio-Rad FTS
Technique
ATR-Neat (DuraSamplIR II)
Source of Spectrum
Forensic Spectral Research
Source of Sample
Sigma-Aldrich Company Llc
Catalog Number
<a href=https://www.sigmaaldrich.com/US/en/product/sigma/D5758>D5758</a>
Lot Number
113K3680
Copyright
Copyright © 2014-2024 John Wiley & Sons, Inc. All Rights Reserved.
Thumbnail
Thumbnail
2 of 2
Source of Sample
Aldrich
Catalog Number
159220
Copyright
Copyright © 2018-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved.
Thumbnail
Thumbnail

4.3.3 Vapor Phase IR Spectra

Source of Spectrum
Sigma-Aldrich Co. LLC.
Source of Sample
Sigma-Aldrich Co. LLC.
Catalog Number
159220
Copyright
Copyright © 2021-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021 John Wiley & Sons, Inc. All Rights Reserved.
Thumbnail
Thumbnail

4.4 Raman Spectra

1 of 2
Technique
FT-Raman
Source of Spectrum
Forensic Spectral Research
Source of Sample
Sigma-Aldrich Company Llc.
Catalog Number
<a href=https://www.sigmaaldrich.com/US/en/product/sigma/D5758>D5758</a>
Lot Number
113K3680
Copyright
Copyright © 2013-2024 John Wiley & Sons, Inc. All Rights Reserved.
Thumbnail
Thumbnail
2 of 2
Catalog Number
159220
Copyright
Copyright © 2017-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2017-2024 John Wiley & Sons, Inc. All Rights Reserved.
Thumbnail
Thumbnail

6 Chemical Vendors

7 Food Additives and Ingredients

7.1 Food Additive Classes

JECFA Functional Classes
Food Additives -> PRESERVATIVE;

7.2 FDA Substances Added to Food

Used for (Technical Effect)
DOUGH STRENGTHENER
Document Number (21 eCFR)

7.3 Evaluations of the Joint FAO / WHO Expert Committee on Food Additives - JECFA

Chemical Name
DIETHYL PYROCARBONATE
Evaluation Year
1973

8 Pharmacology and Biochemistry

8.1 Human Metabolite Information

8.1.1 Cellular Locations

  • Cytoplasm
  • Extracellular

9 Use and Manufacturing

9.1 Uses

Sources/Uses
Used as a preservative in wines, soft drinks, and fruit juices; [Merck Index] Used as a laboratory reagent; [REPROTOX]
Merck Index - O'Neil MJ, Heckelman PE, Dobbelaar PH, Roman KJ (eds). The Merck Index, An Encyclopedia of Chemicals, Drugs, and Biologicals, 15th Ed. Cambridge, UK: The Royal Society of Chemistry, 2013.
REPROTOX - Scialli AR, Lione A, Boyle Padgett GK. Reproductive Effects of Chemical, Physical, and Biological Agents. Baltimore: The Johns Hopkins University Press, 1995.
Restricted Notes
Banned for use as a food additive; [FDA]

9.1.1 Use Classification

Food Additives -> PRESERVATIVE; -> JECFA Functional Classes

9.2 General Manufacturing Information

EPA TSCA Commercial Activity Status
Dicarbonic acid, 1,3-diethyl ester: ACTIVE

10 Safety and Hazards

10.1 Hazards Identification

10.1.1 GHS Classification

Pictogram(s)
Irritant
Signal
Warning
GHS Hazard Statements

H302 (93.5%): Harmful if swallowed [Warning Acute toxicity, oral]

H315 (89.2%): Causes skin irritation [Warning Skin corrosion/irritation]

H319 (90.3%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

H335 (89.2%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statement Codes

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

(The corresponding statement to each P-code can be found at the GHS Classification page.)

ECHA C&L Notifications Summary

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.

Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown.

10.1.2 Hazard Classes and Categories

Acute Tox. 4 (93.5%)

Skin Irrit. 2 (89.2%)

Eye Irrit. 2 (90.3%)

STOT SE 3 (89.2%)

10.1.3 Hazards Summary

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 dioxide; A skin, eye, and mucous membrane irritant; [Merck Index] A skin and strong eye irritant; Harmful by ingestion; [Sigma-Aldrich MSDS]
Merck Index - O'Neil MJ, Heckelman PE, Dobbelaar PH, Roman KJ (eds). The Merck Index, An Encyclopedia of Chemicals, Drugs, and Biologicals, 15th Ed. Cambridge, UK: The Royal Society of Chemistry, 2013.

10.2 Regulatory Information

The Australian Inventory of Industrial Chemicals
Chemical: Dicarbonic acid, diethyl ester
New Zealand EPA Inventory of Chemical Status
Diethyl dicarbonate: Does not have an individual approval but may be used under an appropriate group standard

11 Toxicity

11.1 Toxicological Information

11.1.1 Acute Effects

11.1.2 Toxicity Data

LCLo (rat) = 10,000 mg/m3/1hr

12 Literature

12.1 Consolidated References

12.2 NLM Curated PubMed Citations

12.3 Springer Nature References

12.4 Thieme References

12.5 Wiley References

12.6 Chemical Co-Occurrences in Literature

12.7 Chemical-Gene Co-Occurrences in Literature

12.8 Chemical-Disease Co-Occurrences in Literature

13 Patents

13.1 Depositor-Supplied Patent Identifiers

13.2 WIPO PATENTSCOPE

13.3 Chemical Co-Occurrences in Patents

13.4 Chemical-Disease Co-Occurrences in Patents

13.5 Chemical-Gene Co-Occurrences in Patents

14 Interactions and Pathways

14.1 Chemical-Target Interactions

14.2 Pathways

15 Biological Test Results

15.1 BioAssay Results

16 Classification

16.1 MeSH Tree

16.2 ChEBI Ontology

16.3 ChemIDplus

16.4 ChEMBL Target Tree

16.5 UN GHS Classification

16.6 NORMAN Suspect List Exchange Classification

16.7 EPA DSSTox Classification

16.8 EPA TSCA and CDR Classification

16.9 EPA Substance Registry Services Tree

16.10 MolGenie Organic Chemistry Ontology

17 Information Sources

  1. Australian Industrial Chemicals Introduction Scheme (AICIS)
  2. CAS Common Chemistry
    LICENSE
    The data from CAS Common Chemistry is provided under a CC-BY-NC 4.0 license, unless otherwise stated.
    https://creativecommons.org/licenses/by-nc/4.0/
  3. ChemIDplus
    ChemIDplus Chemical Information Classification
    https://pubchem.ncbi.nlm.nih.gov/source/ChemIDplus
  4. EPA Chemicals under the TSCA
    Dicarbonic acid, 1,3-diethyl ester
    https://www.epa.gov/chemicals-under-tsca
    EPA TSCA Classification
    https://www.epa.gov/tsca-inventory
  5. EPA DSSTox
    CompTox Chemicals Dashboard Chemical Lists
    https://comptox.epa.gov/dashboard/chemical-lists/
  6. European Chemicals Agency (ECHA)
    LICENSE
    Use of the information, documents and data from the ECHA website is subject to the terms and conditions of this Legal Notice, and subject to other binding limitations provided for under applicable law, the information, documents and data made available on the ECHA website may be reproduced, distributed and/or used, totally or in part, for non-commercial purposes provided that ECHA is acknowledged as the source: "Source: European Chemicals Agency, http://echa.europa.eu/". Such acknowledgement must be included in each copy of the material. ECHA permits and encourages organisations and individuals to create links to the ECHA website under the following cumulative conditions: Links can only be made to webpages that provide a link to the Legal Notice page.
    https://echa.europa.eu/web/guest/legal-notice
  7. FDA Global Substance Registration System (GSRS)
    LICENSE
    Unless otherwise noted, the contents of the FDA website (www.fda.gov), both text and graphics, are not copyrighted. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from FDA. Credit to the U.S. Food and Drug Administration as the source is appreciated but not required.
    https://www.fda.gov/about-fda/about-website/website-policies#linking
  8. Human Metabolome Database (HMDB)
    LICENSE
    HMDB is offered to the public as a freely available resource. Use and re-distribution of the data, in whole or in part, for commercial purposes requires explicit permission of the authors and explicit acknowledgment of the source material (HMDB) and the original publication (see the HMDB citing page). We ask that users who download significant portions of the database cite the HMDB paper in any resulting publications.
    http://www.hmdb.ca/citing
  9. New Zealand Environmental Protection Authority (EPA)
    LICENSE
    This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International licence.
    https://www.epa.govt.nz/about-this-site/general-copyright-statement/
  10. ChEBI
  11. ChEMBL
    LICENSE
    Access to the web interface of ChEMBL is made under the EBI's Terms of Use (http://www.ebi.ac.uk/Information/termsofuse.html). The ChEMBL data is made available on a Creative Commons Attribution-Share Alike 3.0 Unported License (http://creativecommons.org/licenses/by-sa/3.0/).
    http://www.ebi.ac.uk/Information/termsofuse.html
  12. Comparative Toxicogenomics Database (CTD)
    LICENSE
    It is to be used only for research and educational purposes. Any reproduction or use for commercial purpose is prohibited without the prior express written permission of NC State University.
    http://ctdbase.org/about/legal.jsp
  13. FDA Substances Added to Food
    LICENSE
    Unless otherwise noted, the contents of the FDA website (www.fda.gov), both text and graphics, are not copyrighted. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from FDA. Credit to the U.S. Food and Drug Administration as the source is appreciated but not required.
    https://www.fda.gov/about-fda/about-website/website-policies#linking
  14. Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
    LICENSE
    Copyright (c) 2022 Haz-Map(R). All rights reserved. Unless otherwise indicated, all materials from Haz-Map are copyrighted by Haz-Map(R). No part of these materials, either text or image may be used for any purpose other than for personal use. Therefore, reproduction, modification, storage in a retrieval system or retransmission, in any form or by any means, electronic, mechanical or otherwise, for reasons other than personal use, is strictly prohibited without prior written permission.
    https://haz-map.com/About
  15. Japan Chemical Substance Dictionary (Nikkaji)
  16. Joint FAO/WHO Expert Committee on Food Additives (JECFA)
    LICENSE
    Permission from WHO is not required for the use of WHO materials issued under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Intergovernmental Organization (CC BY-NC-SA 3.0 IGO) licence.
    https://www.who.int/about/policies/publishing/copyright
  17. KEGG
    LICENSE
    Academic users may freely use the KEGG website. Non-academic use of KEGG generally requires a commercial license
    https://www.kegg.jp/kegg/legal.html
  18. Metabolomics Workbench
  19. NIST Mass Spectrometry Data Center
    LICENSE
    Data covered by the Standard Reference Data Act of 1968 as amended.
    https://www.nist.gov/srd/public-law
  20. NMRShiftDB
  21. SpectraBase
    OXYDIFORMIC ACID, DIETHYL ESTER
    https://spectrabase.com/spectrum/8honkyG6LD0
    Carbonic acid, diethyl ester anhydride
    https://spectrabase.com/spectrum/JhbAV21Hnx2
    oxydiformic acid, diethyl ester
    https://spectrabase.com/spectrum/t3MJQDg8tm
    OXYDIFORMIC ACID, DIETHYL ESTER
    https://spectrabase.com/spectrum/JkOeBZKLdG9
  22. Springer Nature
  23. Thieme Chemistry
    LICENSE
    The Thieme Chemistry contribution within PubChem is provided under a CC-BY-NC-ND 4.0 license, unless otherwise stated.
    https://creativecommons.org/licenses/by-nc-nd/4.0/
  24. Wikidata
  25. Wikipedia
  26. Wiley
  27. Medical Subject Headings (MeSH)
    LICENSE
    Works produced by the U.S. government are not subject to copyright protection in the United States. Any such works found on National Library of Medicine (NLM) Web sites may be freely used or reproduced without permission in the U.S.
    https://www.nlm.nih.gov/copyright.html
  28. PubChem
  29. GHS Classification (UNECE)
  30. NORMAN Suspect List Exchange
    LICENSE
    Data: CC-BY 4.0; Code (hosted by ECI, LCSB): Artistic-2.0
    https://creativecommons.org/licenses/by/4.0/
    NORMAN Suspect List Exchange Classification
    https://www.norman-network.com/nds/SLE/
  31. EPA Substance Registry Services
  32. MolGenie
    MolGenie Organic Chemistry Ontology
    https://github.com/MolGenie/ontology/
  33. PATENTSCOPE (WIPO)
  34. NCBI
CONTENTS