Selenium tetrachloride

Selenium tetrachloride

Chembox new
Name = Selenium tetrachloride
ImageFile =
ImageSize =
ImageName =
IUPACName = Selenium tetrachloride
OtherNames =
Section1 = Chembox Identifiers
CASNo = 10026-03-6
RTECS = VS7875000
PubChem = 24859372
Section2 = Chembox Properties
Formula = SeCl4
MolarMass = 220.771 g/mol
Appearance = white to yellow crystals
Density = 2.6 g/cm³, solid
Solubility = decomposes in water
MeltingPt = sublimes at 191.4°CCitation
last = Lide
first = David R.
author-link =
last2 =
first2 =
author2-link =
publication-date =
date =
year = 1998
title = Handbook of Chemistry and Physics
edition = 87
volume =
series =
publication-place = Boca Raton, FL
place =
publisher = CRC Press
id =
isbn = 0849305942
doi =
oclc =
pages = 487
url = http://books.google.com/books?id=lFjg0L-uOxoC&pg=PT872&dq=%22Selenium+tetrachloride%22&lr=&as_brr=3&sig=ACfU3U0XSg9ZRNwmH_XCpy3TgbbF-PEIlw
accessdate = 2008-07-02]
BoilingPt =
Section3 = Chembox Structure
MolShape =
Coordination =
CrystalStruct =
Dipole =
Section7 = Chembox Hazards
NFPA-H = 3
NFPA-F = 0
NFPA-R = 0
EUClass = Toxic (T), Dangerous for the environment (N)
RPhrases = R23/25, R33, R50/53
SPhrases = S20/21, S28, S45, S60, S61cite web |url= http://www.sigmaaldrich.com/catalog/search/ProductDetail/ALDRICH/323527/ |title= 323527 Selenium tetrachloride |accessdate=2008-07-02 |publisher= Sigma-Aldrich|date= ]
FlashPt = non-flammable
Section8 = Chembox Related
OtherAnions = Selenium tetrafluoride
Selenium tetrabromide
Selenium dioxide
OtherCations = Dichlorine monoxide
Sulfur tetrachloride
Tellurium tetrachloride

Selenium tetrachloride is the chemical compound composed of selenium and chlorine with the formula SeCl4. It forms yellow to white crystals which decompose on exposure to water or moist air and sublime when heatedCitation
last = Perry
first = Dale L.
author-link =
last2 = Phillips
first2 = Sidney L.
author2-link =
publication-date =
date =
year = 1995
title = Handbook of Inorganic Compounds
edition =
volume =
series =
publication-place =
place =
publisher = CRC Press
id =
isbn = 0849386713
doi =
oclc =
pages = 345
url = http://books.google.com/books?id=0fT4wfhF1AsC&pg=PA345&dq=%22Selenium+tetrachloride%22&lr=&as_brr=3&sig=ACfU3U3NfxaTsyIFad_VjIvitq8R9Go8yQ#PPA345,M1
accessdate = 2008-07-02] .

Reactions

Selenium tetrachloride reacts with water to give selenous and hydrochloric acidsCitation
last =Thorpe
first = Thomas Edward
author-link = Thomas Edward Thorpe
last2 =
first2 =
author2-link =
publication-date =
date =1877
year =
title = A Manual of Inorganic Chemistry
edition =
volume = 2
series =
publication-place = London
place =
publisher = William Collins, Sons, and Co.
id =
isbn =
doi =
oclc =
pages = 353
url = http://books.google.com/books?id=pxMNAAAAYAAJ&pg=PA353&dq=%22Selenium+tetrachloride%22&lr=&as_brr=3&ei=sZVuSN2rCY_aigGI04HmAw
accessdate = 2008-07-04] ::SeCl4 + 3H2O → H2SeO3 + 4HCl

When reacted with selenium dioxide it forms selenium oxychlorideCitation
last = Roscoe
first = Henry Enfield
author-link =
last2 = Cain
first2 = John Cannell
author2-link =
last3 = Schorlemmer
first3 = Carl
author3-link =
last4 = Jeens
first4 = Charles Henry
author4-link =
last5 = Jones
first5 = Bernard Mouat
author5-link =
publication-date =
date =1920
year =
title = A Treatise on Chemistry
edition =
volume =
series =
publication-place = London
place =
publisher = Macmillan and Co.
id =
isbn =
doi =
oclc =
pages = 479
url = http://books.google.com/books?id=uRJDAAAAIAAJ&pg=PA479&dq=%22Selenium+tetrachloride%22&lr=&as_brr=3&ei=sZVuSN2rCY_aigGI04HmAw
accessdate = 2008-07-04] ::SeCl4 + SeO2 → 2SeOCl2

The volatility of selenium tetrachloride can be exploited to separate selenium from other metals with non-volatile chlorides by heating the mixture in the presence of chlorine gas; the vaporized selenium tetrachloride can be collected in water and reduced to elemental seleniumCitation
last = American Philosophical Society
first =
author-link = American Philosophical Society
last2 =
first2 =
author2-link =
last3 =
first3 =
author3-link =
last4 =
first4 =
author4-link =
last5 =
first5 =
author5-link =
publication-date =
date =1926
year =
title = Proceedings of the American Philosophical Society
edition =
volume = 65
series =
publication-place = Lancaster, PA
place = Philadelphia
publisher = Lancaster Press
id =
isbn = 1422372448
doi =
oclc =
pages = 41
url = http://books.google.com/books?id=uRJDAAAAIAAJ&pg=PA479&dq=%22Selenium+tetrachloride%22&lr=&as_brr=3&ei=sZVuSN2rCY_aigGI04HmAw
accessdate = 2008-07-04] .

References


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  • selenium tetrachloride — seleno(IV) chloridas statusas T sritis chemija formulė SeCl₄ atitikmenys: angl. selenium tetrachloride; selenium(IV) chloride rus. селен четыреххлористый; селена тетрахлорид; селена(IV) хлорид ryšiai: sinonimas – seleno tetrachloridas …   Chemijos terminų aiškinamasis žodynas

  • selenium — /si lee nee euhm/, n. Chem. a nonmetallic element chemically resembling sulfur and tellurium, occurring in several allotropic forms, as crystalline and amorphous, and having an electrical resistance that varies under the influence of light.… …   Universalium

  • selenium(IV) chloride — seleno(IV) chloridas statusas T sritis chemija formulė SeCl₄ atitikmenys: angl. selenium tetrachloride; selenium(IV) chloride rus. селен четыреххлористый; селена тетрахлорид; селена(IV) хлорид ryšiai: sinonimas – seleno tetrachloridas …   Chemijos terminų aiškinamasis žodynas

  • Tellurium tetrachloride — IUPAC name Tellurium(IV) chloride Tetratellurium hexadecachloride …   Wikipedia

  • seleno(IV) chloridas — statusas T sritis chemija formulė SeCl₄ atitikmenys: angl. selenium tetrachloride; selenium(IV) chloride rus. селен четыреххлористый; селена тетрахлорид; селена(IV) хлорид ryšiai: sinonimas – seleno tetrachloridas …   Chemijos terminų aiškinamasis žodynas

  • селен четыреххлористый — seleno(IV) chloridas statusas T sritis chemija formulė SeCl₄ atitikmenys: angl. selenium tetrachloride; selenium(IV) chloride rus. селен четыреххлористый; селена тетрахлорид; селена(IV) хлорид ryšiai: sinonimas – seleno tetrachloridas …   Chemijos terminų aiškinamasis žodynas

  • селена тетрахлорид — seleno(IV) chloridas statusas T sritis chemija formulė SeCl₄ atitikmenys: angl. selenium tetrachloride; selenium(IV) chloride rus. селен четыреххлористый; селена тетрахлорид; селена(IV) хлорид ryšiai: sinonimas – seleno tetrachloridas …   Chemijos terminų aiškinamasis žodynas

  • селена(IV) хлорид — seleno(IV) chloridas statusas T sritis chemija formulė SeCl₄ atitikmenys: angl. selenium tetrachloride; selenium(IV) chloride rus. селен четыреххлористый; селена тетрахлорид; селена(IV) хлорид ryšiai: sinonimas – seleno tetrachloridas …   Chemijos terminų aiškinamasis žodynas

  • Dictionary of chemical formulas — This is a list of chemical compounds with chemical formulas and CAS numbers, indexed by formula. This complements alternative listings to be found at list of inorganic compounds, list of organic compounds and inorganic compounds by element. Table …   Wikipedia

  • industrial glass — Introduction       solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …   Universalium

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