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Potassium selenide

PubChem CID
73968
Structure
Potassium selenide_small.png
Molecular Formula
Synonyms
  • Potassium selenide
  • Dipotassium selenide
  • 1312-74-9
  • Potassium selenide (K2Se)
  • dipotassium;selenium(2-)
Molecular Weight
157.17 g/mol
Computed by PubChem 2.2 (PubChem release 2024.11.20)
Dates
  • Create:
    2005-08-08
  • Modify:
    2025-01-25

1 Structures

1.1 2D Structure

Chemical Structure Depiction
Potassium selenide.png

1.2 3D Status

Conformer generation is disallowed since MMFF94s unsupported element, mixture or salt

2 Names and Identifiers

2.1 Computed Descriptors

2.1.1 IUPAC Name

dipotassium;selenium(2-)
Computed by Lexichem TK 2.7.0 (PubChem release 2024.11.20)

2.1.2 InChI

InChI=1S/2K.Se/q2*+1;-2
Computed by InChI 1.07.0 (PubChem release 2024.11.20)

2.1.3 InChIKey

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

2.1.4 SMILES

[K+].[K+].[Se-2]
Computed by OEChem 2.3.0 (PubChem release 2024.12.12)

2.2 Molecular Formula

K2Se
Computed by PubChem 2.2 (PubChem release 2024.11.20)

2.3 Other Identifiers

2.3.1 CAS

1312-74-9

2.3.2 Deprecated CAS

2377788-18-4
2377788-18-4, 2758994-43-1

2.3.3 European Community (EC) Number

2.3.4 UNII

2.3.5 DSSTox Substance ID

2.3.6 Wikidata

2.3.7 Wikipedia

2.4 Synonyms

2.4.1 Depositor-Supplied Synonyms

3 Chemical and Physical Properties

3.1 Computed Properties

Property Name
Molecular Weight
Property Value
157.17 g/mol
Reference
Computed by PubChem 2.2 (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
157.84393 Da
Reference
Computed by PubChem 2.2 (PubChem release 2024.11.20)
Property Name
Monoisotopic Mass
Property Value
157.84393 Da
Reference
Computed by PubChem 2.2 (PubChem release 2024.11.20)
Property Name
Topological Polar Surface Area
Property Value
0 Ų
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2024.11.20)
Property Name
Heavy Atom Count
Property Value
3
Reference
Computed by PubChem
Property Name
Formal Charge
Property Value
0
Reference
Computed by PubChem
Property Name
Complexity
Property Value
0
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
3
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

Deliquescent solid; Reddens from exposure to air; [Merck Index]

3.3 Chemical Classes

Metals -> Metals, Inorganic Compounds

5 Chemical Vendors

6 Use and Manufacturing

6.1 General Manufacturing Information

EPA TSCA Commercial Activity Status
Potassium selenide (K2Se): INACTIVE

7 Safety and Hazards

7.1 Hazards Identification

7.1.1 Hazards Summary

See Sodium selenide.

7.2 Exposure Control and Personal Protection

Maximum Allowable Concentration (MAK)
0.02 [mg/m3], as Se, inhalable fraction[German Research Foundation (DFG)]

7.2.1 Permissible Exposure Limit (PEL)

0.2 [mg/m3], as Se

7.2.2 Immediately Dangerous to Life or Health (IDLH)

1.0 [mg/m3], as Se

7.2.3 Threshold Limit Values (TLV)

0.2 [mg/m3], as Se

8 Patents

8.1 Depositor-Supplied Patent Identifiers

8.2 Chemical Co-Occurrences in Patents

8.3 Chemical-Disease Co-Occurrences in Patents

8.4 Chemical-Gene Co-Occurrences in Patents

9 Classification

9.1 ChemIDplus

9.2 EPA DSSTox Classification

9.3 EPA TSCA and CDR Classification

9.4 EPA Substance Registry Services Tree

9.5 MolGenie Organic Chemistry Ontology

10 Information Sources

  1. ChemIDplus
    ChemIDplus Chemical Information Classification
    https://pubchem.ncbi.nlm.nih.gov/source/ChemIDplus
  2. EPA Chemicals under the TSCA
    EPA TSCA Classification
    https://www.epa.gov/tsca-inventory
  3. EPA DSSTox
    CompTox Chemicals Dashboard Chemical Lists
    https://comptox.epa.gov/dashboard/chemical-lists/
  4. 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
  5. 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
  6. 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
  7. Wikidata
  8. Wikipedia
  9. PubChem
  10. EPA Substance Registry Services
  11. MolGenie
    MolGenie Organic Chemistry Ontology
    https://github.com/MolGenie/ontology/
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