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copper(I) sulfide

chemical compound
Class type of: sulfide salt, copper compound Q425127

Facts

12 properties
Instance of
type of chemical entity
Subclass of
sulfide salt, copper compound[4][5]
Canonical SMILES
[S-2].[Cu+].[Cu+][2]
Chemical formula
Cu₂S[3]
Density
+5.81[10]
Described by source
Meyers Konversations-Lexikon, 4th edition (1885–1890)[9]
Has part(s)
copper, sulfur[6][7]
Mass
+157.831266[12]
Melting point
+1129[13]
Mohs' hardness
+2.75[8]
Molar fusion enthalpy
+23.01[11]
Standard enthalpy of formation
-79[14]
🏷️ Also known as
en dicopper sulphide en copper(I) sulfide en Cu2S en cuprasulfide en cuprous sulfide en dicopper monosulfide ar كبريت النحاس ar كبريت النحاس الأحادي cs Sulfid měďný de Cu2S de Kupfer(I)-sulfid de Schwefelkupfer es Sulfuro de cobre(I) fa مس(I) سولفید hi कापर(I) सल्फाइड id Cu2S id tembaga(I) sulfida ko 황화 구리(I) pl siarczek miedzi(I) ru сульфид меди
🔖 Identifiers · 22
Art & Architecture Thesaurus ID
300264251
CAS Registry Number
22205-45-4
ChEBI ID
51114
ChemSpider ID
8305611
DSSTOX compound identifier
DTXCID8021804
DSSTox substance ID
DTXSID0041804
EC number
244-842-9
ECHA Substance Infocard ID
100.040.751
Encyclopædia Britannica Online ID
science/cuprous-sulfide
Freebase ID
/m/07s75n8
Gmelin number
9318
InChI
InChI=1S/2Cu.S/q2*+1;-2
Show all 22 identifiers +10
InChIKey
AQMRBJNRFUQADD-UHFFFAOYSA-N
Microsoft Academic ID (discontinued)
2778058511
PesticideInfo chemical ID
PRI2336
PubChem CID
10130093
RTECS number
GL8910000
ScienceDirect topic ID
chemistry/copper-i-sulfide
SureChEMBL ID
723
UNII
349M3C1RS1
UniChem compound ID
1102216
ZVG number
4520

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🔗 Connections
Has part(s) 2
copper, sulfur
Belongs to 1
chalcocite
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Summary

copper(I) sulfide is a type of chemical entity[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). copper(I) sulfide. Retrieved November 13, 2026, from https://4ort.xyz/entity/copper-i-sulfide
MLA “copper(I) sulfide.” 4ort.xyz Knowledge Graph, 4ort.xyz, 13 Nov. 2026, https://4ort.xyz/entity/copper-i-sulfide.
BibTeX @misc{4ortxyz_copper-i-sulfide_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{copper(I) sulfide}}, year = {2026}, url = {https://4ort.xyz/entity/copper-i-sulfide}, note = {Accessed: 2026-11-13}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): copper(I) sulfide — https://4ort.xyz/entity/copper-i-sulfide (retrieved 2026-11-13)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 6w ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗
    ZVG number → 4520
    "Changed claim: ZVG number: 4520, см. / see autofix на / on P679"
  2. 7w ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗
    ZVG number → 4520
    "Created claim: ZVG number: 004520, batch #275042"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.