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N-Methylcaprolactam

PubChem CID
17369
Structure
N-Methylcaprolactam_small.png
N-Methylcaprolactam_3D_Structure.png
Molecular Formula
Synonyms
  • N-Methylcaprolactam
  • 1-methylazepan-2-one
  • 2556-73-2
  • 1-Methylcaprolactam
  • 2H-Azepin-2-one, hexahydro-1-methyl-
Molecular Weight
127.18 g/mol
Computed by PubChem 2.2 (PubChem release 2024.11.20)
Dates
  • Create:
    2005-03-26
  • Modify:
    2025-01-11
Description
N-methylcaprolactam is a member of caprolactams.

1 Structures

1.1 2D Structure

Chemical Structure Depiction
N-Methylcaprolactam.png

1.2 3D Conformer

2 Names and Identifiers

2.1 Computed Descriptors

2.1.1 IUPAC Name

1-methylazepan-2-one
Computed by Lexichem TK 2.7.0 (PubChem release 2024.11.20)

2.1.2 InChI

InChI=1S/C7H13NO/c1-8-6-4-2-3-5-7(8)9/h2-6H2,1H3
Computed by InChI 1.07.0 (PubChem release 2024.11.20)

2.1.3 InChIKey

ZWXPDGCFMMFNRW-UHFFFAOYSA-N
Computed by InChI 1.07.0 (PubChem release 2024.11.20)

2.1.4 SMILES

CN1CCCCCC1=O
Computed by OEChem 2.3.0 (PubChem release 2024.12.12)

2.2 Molecular Formula

C7H13NO
Computed by PubChem 2.2 (PubChem release 2024.11.20)

2.3 Other Identifiers

2.3.1 CAS

2556-73-2

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 Nikkaji Number

2.3.8 NSC Number

2.3.9 Wikidata

2.4 Synonyms

2.4.1 Depositor-Supplied Synonyms

3 Chemical and Physical Properties

3.1 Computed Properties

Property Name
Molecular Weight
Property Value
127.18 g/mol
Reference
Computed by PubChem 2.2 (PubChem release 2024.11.20)
Property Name
XLogP3
Property Value
0.2
Reference
Computed by XLogP3 3.0 (PubChem release 2024.11.20)
Property Name
Hydrogen Bond Donor Count
Property Value
0
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2024.11.20)
Property Name
Hydrogen Bond Acceptor Count
Property Value
1
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2024.11.20)
Property Name
Rotatable Bond Count
Property Value
0
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2024.11.20)
Property Name
Exact Mass
Property Value
127.099714038 Da
Reference
Computed by PubChem 2.2 (PubChem release 2024.11.20)
Property Name
Monoisotopic Mass
Property Value
127.099714038 Da
Reference
Computed by PubChem 2.2 (PubChem release 2024.11.20)
Property Name
Topological Polar Surface Area
Property Value
20.3 Ų
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2024.11.20)
Property Name
Heavy Atom Count
Property Value
9
Reference
Computed by PubChem
Property Name
Formal Charge
Property Value
0
Reference
Computed by PubChem
Property Name
Complexity
Property Value
111
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2024.11.20)
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 SpringerMaterials Properties

4 Spectral Information

4.1 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
224766
Copyright
Copyright © 2021-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021 John Wiley & Sons, Inc. All Rights Reserved.
Thumbnail
Thumbnail

4.1.2 13C NMR Spectra

1 of 2
Copyright
Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Thumbnail
Thumbnail
2 of 2
Source of Spectrum
Sigma-Aldrich Co. LLC.
Source of Sample
Sigma-Aldrich Co. LLC.
Catalog Number
224766
Copyright
Copyright © 2021-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021 John Wiley & Sons, Inc. All Rights Reserved.
Thumbnail
Thumbnail

4.2 Mass Spectrometry

4.2.1 GC-MS

1 of 6
View All
MoNA ID
MS Category
Experimental
MS Type
GC-MS
MS Level
MS1
Instrument
Unknown
Instrument Type
EI-B
Ionization Mode
positive
Top 5 Peaks

44 99.99

127 44

55 29

42 24.50

43 23.50

Thumbnail
Thumbnail
License
CC BY-NC-SA
2 of 6
View All
NIST Number
231521
Library
Main library
Total Peaks
57
m/z Top Peak
44
m/z 2nd Highest
127
m/z 3rd Highest
43
Thumbnail
Thumbnail

4.2.2 Other MS

Authors
MASS SPECTROSCOPY SOC. OF JAPAN (MSSJ)
Instrument
Unknown
Instrument Type
EI-B
MS Level
MS
Ionization Mode
POSITIVE
Top 5 Peaks

44 999

127 440

55 290

42 245

43 235

Thumbnail
Thumbnail
License
CC BY-NC-SA

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
S37944-1
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
224766
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

Source of Sample
Aldrich
Catalog Number
224766
Copyright
Copyright © 2018-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved.
Thumbnail
Thumbnail

4.4 Raman Spectra

Catalog Number
224766
Copyright
Copyright © 2017-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2017-2024 John Wiley & Sons, Inc. All Rights Reserved.
Thumbnail
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6 Chemical Vendors

7 Safety and Hazards

7.1 Hazards Identification

7.1.1 GHS Classification

Pictogram(s)
Irritant
Signal
Warning
GHS Hazard Statements

H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]

H312 (100%): Harmful in contact with skin [Warning Acute toxicity, dermal]

H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]

H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

H332 (87%): Harmful if inhaled [Warning Acute toxicity, inhalation]

H335 (97.8%): 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, P317, 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 46 reports by companies from 6 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.

7.1.2 Hazard Classes and Categories

Acute Tox. 4 (100%)

Acute Tox. 4 (100%)

Skin Irrit. 2 (100%)

Eye Irrit. 2 (100%)

Acute Tox. 4 (87%)

STOT SE 3 (97.8%)

7.2 Regulatory Information

The Australian Inventory of Industrial Chemicals
Chemical: 2H-Azepin-2-one, hexahydro-1-methyl-
New Zealand EPA Inventory of Chemical Status
2H-Azepin-2-one, hexahydro-1-methyl-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.

8 Toxicity

8.1 Toxicological Information

8.1.1 Acute Effects

9 Literature

9.1 Consolidated References

9.2 Springer Nature References

9.3 Thieme References

9.4 Chemical Co-Occurrences in Literature

9.5 Chemical-Disease Co-Occurrences in Literature

10 Patents

10.1 Depositor-Supplied Patent Identifiers

10.2 WIPO PATENTSCOPE

10.3 Chemical Co-Occurrences in Patents

10.4 Chemical-Disease Co-Occurrences in Patents

10.5 Chemical-Gene Co-Occurrences in Patents

11 Biological Test Results

11.1 BioAssay Results

12 Classification

12.1 ChEBI Ontology

12.2 ChemIDplus

12.3 UN GHS Classification

12.4 NORMAN Suspect List Exchange Classification

12.5 EPA DSSTox Classification

12.6 EPA Substance Registry Services Tree

12.7 MolGenie Organic Chemistry Ontology

13 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. DTP/NCI
    LICENSE
    Unless otherwise indicated, all text within NCI products is free of copyright and may be reused without our permission. Credit the National Cancer Institute as the source.
    https://www.cancer.gov/policies/copyright-reuse
  5. EPA DSSTox
    2H-Azepin-2-one, hexahydro-1-methyl-
    https://comptox.epa.gov/dashboard/DTXSID3074656
    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. 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/
  9. ChEBI
  10. 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
  11. Japan Chemical Substance Dictionary (Nikkaji)
  12. MassBank Europe
  13. MassBank of North America (MoNA)
    LICENSE
    The content of the MoNA database is licensed under CC BY 4.0.
    https://mona.fiehnlab.ucdavis.edu/documentation/license
  14. 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
    2H-Azepin-2-one, hexahydro-1-methyl-
    http://www.nist.gov/srd/nist1a.cfm
  15. SpectraBase
    2H-AZEPIN-2-ONE, HEXAHYDRO-1-METHYL-
    https://spectrabase.com/spectrum/QaU8Z8GxCl
    2H-Azepin-2-one, hexahydro-1-methyl-
    https://spectrabase.com/spectrum/9yyLz6IGH2T
    hexahydro-1-methyl-2H-azepin-2-one
    https://spectrabase.com/spectrum/2xHSQraLFCI
    HEXAHYDRO-1-METHYL-2H-AZEPIN-2-ONE
    https://spectrabase.com/spectrum/7CFm4BOmRPG
  16. Springer Nature
  17. SpringerMaterials
  18. 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/
  19. Wikidata
  20. PubChem
  21. GHS Classification (UNECE)
  22. 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/
  23. EPA Substance Registry Services
  24. MolGenie
    MolGenie Organic Chemistry Ontology
    https://github.com/MolGenie/ontology/
  25. PATENTSCOPE (WIPO)
CONTENTS