Copper(II) selenide
{{Chembox
| IUPACName = Copper(II) selenide
| OtherNames = Cupric selenide
| Section1 = {{Chembox Identifiers
| CASNo = 1317-41-5
| ChemSpiderID = 66608
| PubChem = 101943149
| EC_number = 215-272-8
| UNII = 5TY4U83X24
| InChI = 1S/Cu.Se
| InChIKey = IRPLSAGFWHCJIQ-UHFFFAOYSA-N
| SMILES = [Cu].[Se]
}}
|Section2 = {{Chembox Properties
| Cu = 1
| Se = 1
| Appearance = Black
}}
| Section3 = {{Chembox Hazards
| GHSPictograms = {{GHS06}}{{GHS08}}{{GHS09}}
| GHSSignalWord = Danger
| HPhrases = {{H-phrases|301|331|373|410}}
| PPhrases = {{P-phrases|260|261|264|270|271|273|301+316|304+340|316|319|321|330|391|403+233|405|501}}
}}
}}
Copper(II) selenide is an inorganic binary compound between copper and selenium, with the chemical formula CuSe.
Uses
Copper(II) selenide is produced in situ to form a protective black coating on iron or steel parts in some cold-bluing processes.{{Cite web|url=http://www.epi.com/c/black-oxide/steel/room-temperature-black-oxide|title=Room Temperature Black Oxide|last=|first=|date=|website=|access-date=12 April 2016|archive-date=28 April 2016|archive-url=https://web.archive.org/web/20160428155615/http://epi.com/c/black-oxide/steel/room-temperature-black-oxide|url-status=dead}} Bluing solutions that operate in this manner will typically be labeled as containing selenous acid or selenium dioxide.{{Cite web|url=http://mobile.epi.com/doc/black-oxide/Insta-Blak-333-MSDS.pdf|title=Insta-Blak 333 MSDS|last=|first=|date=|website=|access-date=12 April 2016|archive-url=https://web.archive.org/web/20160423045720/http://mobile.epi.com/doc/black-oxide/Insta-Blak-333-MSDS.pdf|archive-date=23 April 2016|url-status=dead}}{{Cite web|url=http://www.brownells.com/userdocs/MSDS/082-024-004_OXPHO%20BLUE%20LIQUID,%204%20OZ.%20-%20083_default.pdf|title=Oxpho-Blue MSDS|last=|first=|date=|website=|access-date=12 April 2016}} It has also been investigated for use in the treatment of colon cancer.{{Cite journal|last1=Hessel|first1=Colin M.|last2=Pattani|first2=Varun P.|last3=Rasch|first3=Michael|last4=Panthani|first4=Matthew G.|last5=Koo|first5=Bonil|last6=Tunnell|first6=James W.|last7=Korgel|first7=Brian A.|date=2011-05-10|title=Copper Selenide Nanocrystals for Photothermal Therapy|journal=Nano Letters|language=EN|volume=11|issue=6|pages=2560–2566|doi=10.1021/nl201400z|pmc=3111000|pmid=21553924|bibcode=2011NanoL..11.2560H }}
Natural occurrences
Copper selenides are the most common selenium minerals. CuSe is known in mineralogy as klockmannite.{{cite journal | url = https://pubs.geoscienceworld.org/msa/ammin/article-abstract/39/5-6/504/539369 | title = The crystal structure of covellite, cuse and klockmannite, cuse | last1= Berry| first1 = L. G. | year= 1954| volume= 39| issue= 5–6 | journal = American Mineralogist | pages= 504–509}}
See also
References
{{reflist}}
{{Copper compounds}}
{{Selenides}}
{{Inorganic-compound-stub}}